{"title":"Mercury Outboard Thermostats, Water Pump Repair, Cooling","description":"\u003ch2\u003e\u003cstrong\u003eMercury Marine Engine Thermostats, Water Pump Repair, and Cooling Resources and Information\u003c\/strong\u003e\u003c\/h2\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe cooling system is essential for the ongoing functionality of your Mercury outboard engine. The water pump is a critical aspect of this system. Fortunately, \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePartsVu.com\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e stocks a complete selection of certified Mercury outboard water pump repair kits to repair and replace the water pump on your Mercury outboard. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePartsVu stocks a wide selection of certified \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-and-mercruiser-outboard-water-pump-repair-kits\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard Water Pump Repair Kits\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e and replacement \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-cooling-systems\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCooling System\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e parts to fit the exact specifications of your Mercury outboard motor. Your Mercury outboard’s cooling system prevents your engine from overheating. Don’t wait until it’s too late to replace these crucial components. Need help maintaining your water pump? Take a look out \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/maintaining-your-mercury-outboard-water-pump\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ethis helpful water pump maintenance guide\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e over on our blog. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eNeed help finding the right \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury outboard parts\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e for your marine engine? Check out our convenient \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard Maintenance Parts Charts\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWe also offer helpful resources to help you maintain your Mercury outboard motor, such as:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/mercury-maintenance-schedule\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard Service Schedule\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/where-can-i-find-my-mercury-outboard-serial-number\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard Serial Number Lookup\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/vu-schematic\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard Engine Schematics\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003e\u003cstrong\u003eMercury Outboard Thermostats, Water Pump Repair, and Cooling FAQs\u003c\/strong\u003e\u003c\/h2\u003e \u003ch3\u003e \u003cstrong\u003eHow do I know if my \u003c\/strong\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/maintaining-your-mercury-outboard-water-pump\"\u003e\u003cstrong\u003eMercury outboard water pump\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e is bad?\u003c\/strong\u003e \u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOne of the sure signs that a water pump is acting up is if the motor temperature starts to climb during idle or while on plane.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTypically, the normal operating range for your Mercury outboard at idle should fall within the 120 – 140°F range, most commonly right around 125 – 132°F. On plane, your outboard’s temperature will vary widely based on the temperature of the water (colder in cold water, warmer in warmer temperatures).\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf your temperatures begin to consistently rise above this range at idle, you should be concerned and not use your outboard until the problem is resolved. Also, if your overheating alarm goes off, you can be sure that some issue is driving the temperature up. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you’ve noticed that your outboard doesn’t throttle up as normal and \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/why-your-outboard-will-not-throttle-up?amp%3Bitm_campaign=blog-why-your-outboard-will-not-throttle-up\u0026amp;amp%3Bitm_medium=in-text\u0026amp;itm_source=blog-maintaining-your-mercury-outboard-water-pump\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ebogs down\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, you may have a malfunctioning water pump.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eEssentially, the water pump won’t consistently pump a steady stream of cooling water through the lower gearcase via the inlets on the side of the lower unit. Because of this irregularity, your engine will continually heat up and cool down, creating an \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/why-your-outboard-will-not-throttle-up?amp%3Bitm_campaign=blog-why-your-outboard-will-not-throttle-up\u0026amp;amp%3Bitm_medium=in-text\u0026amp;itm_source=blog-maintaining-your-mercury-outboard-water-pump\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eintermittent bog during high RPMs\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e as the engine compensates through reduced performance. This effect masks the issue until the water pump fails completely.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWhat makes this condition hard to diagnose is that at lower temperatures—during the winter months or when the water is cooler—the engine may cool off due to the environment and perform normally. Then, the bog will reappear in the warmer months, warmer water, or during extended usage. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eYour Mercury outboard features a telltale hole, which emits a small, visible stream of water that passes through the powerhead. As the name implies, the tell tale helps indicate when cooling water is flowing to prevent overheating.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIn most cases, a blockage often prevents water pressure from flowing efficiently from the hole. If you notice less-than-normal water falling from the hole or no water at all, insert a thin wire into the outlet to determine if it is blocked. Normal blockages include accumulated debris and salt (scaling), but insects often burrow into this hole. That is especially likely during periods when your outboard motor is being stored for the winter.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf the tell tale hole is clear and the lack of flow continues, you might have a damaged pump housing instead. In this case, you may notice water flowing from another place on your outboard, such as a crack in the water pump housing.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eHow often should I change the water pump on my Mercury outboard engine?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIn most cases, you won’t need to replace the water pump unless the housing is damaged. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eInstead, replacing the water pump impeller every three years or sooner should avoid most water-pump-related issues and keep your outboard running in excellent condition.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eHowever, if you’ve noticed persistent problems keeping your engine cool, you may need to replace the water pump completely. Bear in mind that replacing the entire water pump is a significant repair for your Mercury outboard motor. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eHow do I replace my Mercury outboard engine water pump impeller? \u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 1: Begin by removing the gearcase\/lower unit from the outboard.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 2: Next, remove the rubber water tube seal from the top of the water pump assembly. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 3: Remove the four bolts that hold the water pump assembly in place (Note: there may be a fifth bolt located above the propeller, depending on your outboard model). \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 4: Remove the water pump housing. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 5: Remove the impeller, including the two (2) nylon washers, located above and below the impeller. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 6: Remove the woodruff key from the base of the driveshaft. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 7: Remove the upper gasket, the wear plate, and the lower gasket from the gearcase.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 8: Inspect the shift shaft boot for cracks or splits. If it is worn, replace it with a new one. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 9: Install the new lower gasket, wear plate, and upper gasket with the neoprene side of the upper gasket facing upward. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 10: Install the new impeller with the nylon washers above and below it. Make sure the impeller sits over the woodruff key for a proper installation. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 11: Grease the inside of the water pump housing and the top of the wear plate with marine grease. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 12: Reinstall the water pump housing while rotating the driveshaft clockwise. This will ensure that the impeller blades are turned in the correct direction within the water pump housing. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 13: Reinstall each of the four water pump assembly bolts. \u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eStep 14: Install the new rubber water tube seal onto the top of the water pump assembly. \u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cstrong\u003eHow much does it cost to replace a water pump impeller on my Mercury outboard?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eReplacing the impeller is a relatively inexpensive and straightforward repair. Depending on your model of Mercury outboard, you can expect only to pay between $15 – $35 per impeller. However, you will want to replace other components, so it is highly recommended that you purchase \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-and-mercruiser-outboard-water-pump-repair-kits?amp%3Bitm_campaign=mercury-water-pump-repair-kits\u0026amp;amp%3Bitm_medium=in-text\u0026amp;itm_source=blog-12-boat-cleaning-tips-to-keep-your-vessel-shipshape\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ea water impeller kit\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e from PartsVu to have everything you need on hand to perform a complete job. Additionally, we carry may other\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/boating-essentials-t-h-marine-supplies\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e boating essentials\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e to help you to enjoy your time on the water to its fullest.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCare and maintenance of your marine engine are critical. If properly maintained, it will last for many, many years. Now that you know everything that there is to know about maintaining your Mercury outboard water pump, it’s time to get to work so you can enjoy worry-free time out on the water!\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eHow do I select the right parts for my Mercury outboard motor?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-parts?itm_source=blog-how-to-select-the-right-mercury-outboard-parts%3Fitm_medium%3Din-text%3Fitm_campaign%3Dmercury-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePartsVu’s Mercury Outboard Maintenance Parts Library\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e is the perfect reference when you need to replace common parts. That’s because these parts charts make it simple to find the right parts for your particular engine to\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/mercury-maintenance-schedule?itm_source=blog-how-to-select-the-right-mercury-outboard-parts%3Fitm_medium%3Din-text%3Fitm_campaign%3Dmercury-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e perform regularly-scheduled maintenance\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFor \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-marine-outboard-motors\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury outboard motors\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, perform maintenance after \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-complete-100-300-hour-service-kits\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e100 hours of service\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e or one year of operation (whichever comes first). More extensive service is recommended after 300 hours of service or three years.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eAfter this period, maintenance is often more regular as the engine ages and parts wear out. For example, 1,000 hours generally requires an in-depth assessment by a qualified mechanic. Also, if you’re usually running your Mercury outboard in a more demanding manner, the manufacturer recommends more frequent servicing.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWhen selecting the correct Mercury Outboard Parts, there are some essential things every boater must keep in mind before purchasing and installing parts:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003cspan style=\"font-weight: 400;\"\u003eChoosing \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/?amp%3Bitm_source=blog-how-to-select-the-right-mercury-outboard-parts%3Fitm_medium%3Din-text%3Fitm_campaign%3Dmercury-parts\u0026amp;amp%3Bq=mercury%20oem\u0026amp;cat=3\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury OEM parts\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e (original equipment manufacturer) over after-market parts often yields better long-term results for your engine as these components and products are specifically designed to meet the precise tolerances of Mercury engines.\u003c\/span\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cul\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eCheck (and recheck) to ensure that you have the exact part number that matches your Mercury outboard engine. It’s important to do this because Mercury has many engine models that look very similar but contain slight differences in performance. Therefore, unmatched parts may not fit uniformly, leading to malfunctions, underperformance, and severe engine damage.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cul\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/the-best-products-to-protect-your-mercury-outboard?itm_source=blog-how-to-select-the-right-mercury-outboard-parts%3Fitm_medium%3Din-text%3Fitm_campaign%3Dmercury-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eProper maintenance\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e is essential when it comes to extending the life of your Mercury outboard motor and should always be mandatory to retain the value of your outboard motor. While Mercury outboards are built to last, hazards like salt water, humidity, excessive heat, electrolysis, and demanding usage eventually take their toll on your motor.\u003c\/span\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003cul\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eProper storage for your Mercury outboard is required to preserve your motor for the long term. Failure to properly winterize your Mercury outboard can cause components to degrade while the engine sits and is exposed to the elements. Therefore, properly store your outboard when it is not in use.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cstrong\u003eAre Mercury 5hp 2-stroke outboards air-cooled?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eNo, Mercury 5hp 2-stroke outboard motors are water-cooled. They require a water pump to circulate water through the engine to keep it cool.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eWhat's the effect of changing cooling outlet on a Mercury outboard?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eChanging the cooling outlet on a Mercury outboard can affect the water flow through the engine and the cooling system's efficiency. The cooling outlet directs the water flow through the engine and out the exhaust system. Changing the cooling outlet can alter the water flow and affect the engine's performance and cooling system's ability to keep the engine at the correct temperature.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eWhere is the thermostat on a Mercury outboard?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe location of the thermostat on a Mercury outboard can vary depending on the model and year of the outboard. In most cases, the thermostat is located on the top of the cylinder head or on the front of the engine block. It is connected to the water intake and regulates the engine's temperature by opening and closing as needed to allow water to flow through the cooling system.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eHow to change the thermostat on a Mercury outboard?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe process for changing the thermostat on a Mercury outboard can vary depending on the model and year of the outboard. In general, the process involves locating the thermostat, removing the housing cover, removing the old thermostat, installing the new thermostat, and reassembling the housing cover. It is important to refer to the outboard's owner's manual or a reliable online guide for specific instructions for your particular model.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eCan I run my Mercury outboard without a thermostat?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIt is not recommended to run a Mercury outboard without a thermostat. The thermostat is a critical component of the outboard's cooling system, regulating the engine's temperature by opening and closing to allow water to flow through the cooling system. Without a thermostat, the engine may overheat, causing damage to the engine and potentially leaving you stranded on the water. If you suspect your thermostat is faulty, it is recommended to replace it rather than run the outboard without one.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eHow to replace a water pump on a Mercury outboard?\u003c\/strong\u003e\u003c\/h3\u003e \u003col\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003cspan style=\"font-weight: 400;\"\u003eFirst, remove the \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-lower-unit-assemblies-prop-shafts-and-transmission-components\"\u003e\u003cspan style=\"font-weight: 400;\"\u003elower unit of the outboard motor\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e.\u003c\/span\u003e \u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemove the water pump housing cover and impeller.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eInspect the condition of the housing, the impeller, and the gaskets and seals.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf the impeller or any of the gaskets or seals are worn or damaged, replace them.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLubricate the new impeller and reinstall it, along with the new gaskets and seals.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eReinstall the water pump housing cover and the lower unit.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e\u003cem\u003e\u003cspan style=\"font-weight: 400;\"\u003e(\u003c\/span\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cem\u003eNote\u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003e\u003cspan style=\"font-weight: 400;\"\u003e: This procedure is related to such questions as: How to replace water pump on a 20 hp Mercury outboard? \/ How to replace water pump on a 25 hp Mercury outboard? \/ How to replace water pump on a 60 hp Mercury outboard? \/ How to replace water pump on a 7.5 Mercury outboard? \/ How to replace water pump on a Mercury 115 outboard? \/ How to replace water pump on a Mercury 40 hp outboard? \/ How to replace water pump on a Mercury 50 hp outboard? \/ How to replace water pump on a 115 hp Mercury outboard?)\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eWhere is thermostat located on a 90 hp Mercury outboard?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe thermostat on a 90 hp Mercury outboard is typically located within the thermostat housing, which is usually mounted on the cylinder head of the engine. To locate the thermostat, you will need to follow the upper radiator hose from the top of the engine block to the point where it connects to the thermostat housing. The thermostat itself is a small, spring-loaded valve that regulates the flow of coolant through the engine. It is important to consult your engine's owner's manual for specific instructions on how to locate and replace the thermostat.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eWhat cools exhaust on Mercury outboards?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe exhaust on Mercury outboards is typically cooled by water. Water is pumped from outside the boat through the outboard's cooling system, which includes the exhaust system, to help regulate engine temperature and prevent overheating. As the water flows through the exhaust system, it absorbs heat and then exits the outboard through the exhaust.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eWhere can I learn more about Mercury Outboard Parts?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePartsVu understands that boaters want to learn how to perform their own Mercury outboard maintenance. From maintaining your Mercury outboard, Mercury sterndrive, and MerCruiser engines, there’s always something new to learn and save money. That’s why PartsVu offers our comprehensive blog, \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe Partsvu Xchange\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eRead up on the latest developments in boating, as well as search for everything you need to know about Mercury outboard motor maintenance.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo get you off to a good start, these are some of the most important articles on Mercury Outboard Thermostats, Water Pump Repair, Cooling System issues, and more:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/maintaining-your-mercury-outboard-water-pump\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMaintaining Your Mercury Outboard Water Pump\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercruiser-serial-number-faqs\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercruiser Serial Number FAQs\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/how-to-select-the-right-mercury-outboard-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHow to Select the Right Mercury Outboard Parts\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/tagged\/mercury-maintenance\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Marine Maintenance Archives\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003e\u003cstrong\u003eWhat is the most common Mercury outboard thermostat problem?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe most common Mercury outboard thermostat problem is the thermostat failing to open or close properly, which can cause the engine to overheat or run too cool.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eWhat can happen to my engine if I experience Mercury outboard thermostat failure?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you experience Mercury outboard thermostat failure, your engine can overheat, which can lead to serious damage to the engine. Overheating can cause warping or cracking of cylinder heads, the block, or other components, which can be expensive to repair or even require a complete engine replacement. Additionally, overheating can cause damage to the pistons, bearings, and other moving parts, which can cause decreased engine performance and longevity. Therefore, it is important to replace a faulty thermostat as soon as possible to prevent potential damage to your engine.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eHow do I start troubleshooting Mercury outboard cooling system blockage?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo start troubleshooting a Mercury outboard cooling system blockage, you can follow these steps:\u003c\/span\u003e\u003c\/p\u003e \u003col\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003cstrong\u003eCheck the water pump\u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e: Start by checking the water pump to see if it is functioning properly. Check the pump housing, impeller, and wear plate for any signs of damage or wear. If any of these components are damaged, they can cause a blockage in the cooling system.\u003c\/span\u003e \u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003cstrong\u003eCheck the thermostat\u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e: The thermostat is responsible for regulating the flow of coolant through the engine. If it is stuck closed, it can cause the engine to overheat. Check the thermostat to make sure it is functioning properly.\u003c\/span\u003e \u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003cstrong\u003eCheck the water jackets\u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e: Check the water jackets to make sure they are not clogged with debris or corrosion. Use a wire brush to clean out any debris or corrosion.\u003c\/span\u003e \u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003cstrong\u003eCheck the water intake\u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e: The water intake is responsible for bringing in water to cool the engine. Check the intake to make sure it is not clogged with debris. You can also check the water pump inlet to make sure it is not blocked.\u003c\/span\u003e \u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e \u003cstrong\u003eCheck the water pressure\u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e: If the water pressure is low, it can indicate a blockage in the cooling system. Check the water pressure using a water pressure gauge.\u003c\/span\u003e \u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you are unable to identify and fix the blockage, it is recommended to seek assistance from a certified Mercury outboard mechanic.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eWhat comes in a Mercury outboard thermostat kit?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eA thermostat kit for Mercury outboards typically include a new thermostat, a gasket, and sometimes a seal. Some kits may also include additional hardware or parts, depending on the specific model and application. It is important to ensure that the kit is designed for your particular engine model and year before purchasing and installing.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eIs a 60 hp 2 stroke Mercury outboard water pump replacement generally the same procedure as a 60 hp Mercury bigfoot outboard water pump replacement?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe basic procedure for replacing the water pump on a 60 hp 2 stroke Mercury outboard and a 60 hp Mercury bigfoot outboard is similar, but there may be some differences in the specific steps involved due to differences in the two outboard models. It is important to consult the manufacturer's instructions or a repair manual specific to your outboard model to ensure proper procedure.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eHow to clean a Mercury outboard thermostat?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCleaning a Mercury outboard thermostat involves the following steps:\u003c\/span\u003e\u003c\/p\u003e \u003col\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemove the thermostat housing from the engine.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemove the thermostat from the housing.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eInspect the thermostat for any visible damage or corrosion.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFill a container with hot water and a mild cleaning solution.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePlace the thermostat in the container and let it soak for 15-20 minutes.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eUse a soft-bristled brush to gently scrub the thermostat, paying special attention to the small passages and crevices.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRinse the thermostat with clean water and inspect it again for any remaining debris or corrosion.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf necessary, repeat the cleaning process until the thermostat is completely clean.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eDry the thermostat with a clean cloth and reinstall it into the thermostat housing.\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eReinstall the thermostat housing onto the engine.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIt is important to note that not all thermostats can be cleaned and some may need to be replaced if they are damaged or corroded beyond repair. It is also recommended to follow the specific cleaning instructions provided in the owner's manual for your Mercury outboard model.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat tools do I need for removing thermostats on Mercury outboard engines?\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury outboard thermostat removal typically requires the following tools:\u003c\/span\u003e\u003c\/p\u003e \u003col\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eSocket wrench\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eSocket set (various sizes)\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePliers\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eScrewdriver\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGasket scraper\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHeat-resistant gloves\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHeat gun or propane torch (to heat up the housing if the thermostats are stuck)\u003c\/span\u003e\u003c\/li\u003e \u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eNew thermostat gaskets (to replace the old ones)\u003c\/span\u003e\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe specific tools required may vary depending on the model and year of your Mercury outboard engine. It is important to consult your engine's manual or a professional technician for specific instructions and recommendations.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eThe cooling system is essential for the ongoing functionality of your Mercury outboard engine. The water pump is a critical aspect of this system.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"flush-m-mercury-outboard-flushing-solution-75-450hp-models","title":"Flush-M - Mercury Outboard Flushing Solution - Black - 75-450HP Models","description":"\u003cp\u003eThe Flush-M permanently replaces the OEM flush plug, making engine flushing quick and easy so you can spend more time on the water.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"Apple-converted-space\"\u003eThe Flush-M is specifically designed to permanently replace the OEM flush plug with the part number #22-888958001 found on late model Four Stroke Mercury Outboard Engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"Apple-converted-space\"\u003eIts unique features simplify repetitive engine flushing and is a must-have for single and multiple-engine boats alike.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cstrong\u003e\u003cspan class=\"Apple-converted-space\"\u003eFlush-M is compatible with Verado, Pro XS, FourStroke, and SeaPro series engines in all HP ratings from 75HP - 450HP.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFlush-M have integrated \"Seasonal Solutions' for users in both warm and freezing climates.\u003cbr\u003e\u003cbr\u003eFlush-M significantly simplifies routine engine flushing, whilst exhibiting itself attractively on single and multiple engine boats.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eDimensions\u003c\/p\u003e\n\u003cp\u003e-H: 54.82 mm\u003cbr\u003e-W: 53.17 mm\u003cbr\u003e-L: 43.19 mm\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eFlush-M FAQ's\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is Flush-M different to a Gardena?\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003eMost noticeably, the Flush-M takes the universal practicality of a quick connect and merges it with an accurately engineered base that cams perfectly securing itself to the Mercury outboard engine cowling. This is a key feature that facilitates a watertight seal that protects the engine and wiring harness from corrosion. Some additional key differences of the Flush-M include, a larger hole for increased water flow, a conical port to sealing against the cap, and a wrench color for installation leverage.\u003c\/p\u003e\n\u003cp\u003eFlush-M utilises a Gardena style connector to make our product a universal application for our customers around the world. A universal connection means customers are not forced to purchase additional uniquely engineered quick connects that cannot be sourced locally and increase the end product price.\u003cbr\u003e\u003cem\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eI operate my Mercury in freshwater, why should I flush at all?\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003eOperating in freshwater has the same risks of your engine picking up foreign material as salt water engines do. Be it dirty lake water, running through mud and weed or simply picking up sand from reversing of the shoreline. Your engine cooling passages are fractions of an inch even on larger HP models as well as the associated hardware such as thermostats and check valves are all susceptible to clogging and fouling. Flushing is a sure way of expelling any foreign matter and keeping your investment safe from overheating.\u003cbr\u003e\u003cem\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003eMy boat has an automated flushing system, why do I need Flush-M?\u003c\/strong\u003e\u003cbr\u003eHaving Flush-M installed on vessels with auto-flushing is insurance against a failure of these systems. We highly recommend the redundancy Flush-M offers in these situations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the \u003c\/strong\u003e\u003cstrong\u003eFlush-M restrict water flow when flushing?\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003eNo, the narrowest part of the Flush-M water passage is larger than the diameter of the engines associated internal flushing hoses\u003cspan\u003e \u003c\/span\u003eand or check valve inlet\/ outlet. \u003cbr\u003e\u003cem\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003eIs the Flush-M durable?\u003c\/strong\u003e\u003cbr\u003eThe Flush-M is made in an injection mold process and has added UV inhibitors rendering the end product extremely tough and UV stable even for the full time Florida sun.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does Flush-M differ from the OEM sealed flush plug?\u003c\/strong\u003e\u003cbr\u003eFlush-M primarily expedites and makes the fresh water engine flushing procedure far easier, as it is permanent installation which uses universal hose quick connects that facilitate immediate flushing.\u003c\/p\u003e\n\u003cp\u003eThe Flush-M has also been engineered with a few unique features:\u003c\/p\u003e\n\u003cp\u003e#1 The flush-M cap is not only aesthetic but also plugs and seals the flush port inhibiting water egress in the instance that the engines check valve has failed or fouled. *Cap is secure up to +-20PSI.\u003c\/p\u003e\n\u003cp\u003e#2 Operators in freezing climates can punch out the sacrificial cap seal to facilitate drainage of residual water that could otherwise freeze and rupture internal flush hoses. This is an irreversible step which replicates the 2 vent holes in the OEM plug.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eIs the Flush-M watertight?\u003c\/strong\u003e\u003cbr\u003eYes it is entirely. Flush-M comes ready to use out of the box and includes a new cowling wafer style O'ring to ensure a watertight seal. The Flush-M base and retaining tabs are the exact dimensions of the OEM plug in which it replaces, insuring a perfect watertight and firm seal.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCan I operate my engine on the Flush-M?\u003c\/b\u003e\u003cem\u003e\u003cbr\u003e\u003c\/em\u003eWe recommend customers follow their operators manual and use the Flush-M in the same manner as the manual indicates to use the OEM flush port. \u003cbr\u003eWe prefer customers to use the Flush-M with the engine off.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMy boat has multiple engines, is there sufficient space for the Flush-M and a hose between the cowlings?\u003c\/b\u003e\u003cbr\u003eYes there is, the Flush-M has conducted all R\u0026amp;D on a quad engine vessel for over a year without space being an issue. We recommend using a flexible elastic hose with a on\/ off valve at the quick connect for ease of use.\u003c\/p\u003e\n\u003cp\u003eAnother easy way to create more space is to flush the engines in sequence from the starboard most engine, trimming it up slightly creating clearance from the cowling of the next inboard engine that is at rest in the down position.\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eThe Flush-M can be permanently installed to your engine cowling by following these simple steps:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRemove the original OEM plug from the engine cowling.\u003c\/li\u003e\n\u003cli\u003eUnscrew the OEM plug from the 3\/4\" female hose receptacle.\u003c\/li\u003e\n\u003cli\u003eSeparate the OEM plug from the lanyard by rotating it in a counterclockwise rotation until free.\u003c\/li\u003e\n\u003cli\u003eFit the Flush-M to the lanyard and the ¾\" female hose receptacle.\u003c\/li\u003e\n\u003cli\u003eInstall the Flush-M back into the engine cowling, securing it in place with a ¼ turn in a clockwise rotation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e*If required, use an 11\/16th wrench on the male quick connect collar for added leverage. Do not overtighten past ¼ turn.\u003c\/p\u003e\n\u003cp\u003eYour engine is now ready to be operated or flushed.\u003cbr\u003eTo flush, simply remove the flushing cap and attach a hose to the Flush-M utilizing the included quick connector. Refit the cap upon competition.\u003c\/p\u003e","brand":"Flush-M","offers":[{"title":"Default Title","offer_id":45626356924707,"sku":"PV1000487","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/dsc_0099_2.jpg?v=1739377702"},{"product_id":"mercury-3-4l-v6-4-6l-v8-water-pump-repair-kit-98-8m0142980","title":"Mercury 3.4L V6 - 4.6L V8 Water Pump Repair Kit - 98-8M0142980","description":"\u003cp\u003eWA WATER PUMP KIT\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626522927395,"sku":"47-8M0142980","price":58.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/47-8m0142980-all.jpg?v=1698811334"},{"product_id":"mercury-75-90-115-115-pro-xs-150-efi-four-stroke-water-pump-repair-kit-8m0094529","title":"Mercury – Water Pump Upper Repair Kit | EFI FourStroke Cooling System | Marine-Grade Service Kit | 8M0094529","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Upper Repair Kit | EFI FourStroke Cooling System | Marine-Grade Service Kit | 8M0094529\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA healthy cooling system is one of those things you don’t brag about—you just quietly depend on it. When you’re trimmed out and cruising, the last thing you want in the back of your mind is temperature creeping up or a weak telltale stream. Outboards are happiest when the cooling system is tight, sealed, and moving water the way it should, every single trip.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part is for the boater who’d rather handle maintenance on their own terms than get surprised mid-season. The Water Pump Upper Repair Kit helps you bring that steady, confident feeling back—like your engine is breathing easy again. You service it once, and then you get to enjoy the ride without watching gauges like a hawk.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eService kit designed to repair and refresh the outboard water pump and cooling system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSupports reliable water flow to help maintain stable operating temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes key components for a thorough repair:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUpper and lower pump housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePlate\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGaskets and seals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eImpeller\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt as one of the most complete kits available for outboard water pump repair\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for select Mercury and Mariner EFI FourStroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0094529\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMercury or Mariner \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e75 horsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e115 horsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e EFI FourStroke outboards (serial number 2B094996 and up)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury or Mariner 150 horsepower EFI FourStroke outboards (serial number 1B905505 and up)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on bay boats, bass boats, pontoons, family runabouts, and utility fishing rigs\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWater pump service is one of those maintenance jobs that pays you back immediately. When the pump is fresh and properly sealed, the engine feels more dependable—because it is. You’ll usually notice a stronger, more consistent telltale stream and less “nagging doubt” when you’re running a long stretch or idling through a hot marina channel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhat makes this kit so \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003euseful\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehow complete it is\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. Instead of replacing one piece and hoping the rest holds, you’re renewing the core wear items that affect how the pump seals and flows. New housings, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplate\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, gaskets, and seals help everything sit tight and aligned. The impeller, of course, is the heart of it—when it’s fresh, water movement feels steady and confident again, especially at idle \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhere\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e weak pumps love to show their age.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is also more straightforward when the parts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare made\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to match. The fitment tends to feel clean and secure, which matters in a system where tiny gaps can turn into leaks, loss of prime, or reduced cooling efficiency. Service it with care, and you’re setting yourself up for simpler boating—less troubleshooting, fewer surprises, and more time doing what you came for.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCooling system parts are not where I recommend rolling the dice. A genuine Mercury Marine part \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e around the exact pump dimensions and sealing surfaces your outboard needs. That means fewer fitment headaches, better long-term reliability, and a cooling system that performs the way Mercury intended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket kits can vary in materials and tolerances, and with water pumps, “almost right” can still lead to problems. OEM is the practical choice: \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to fit right the first time, last longer, and help keep your engine protected season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines or systems does the Water Pump Upper Repair Kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt fits select Mercury and Mariner \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e75 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehorsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e115 horsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e EFI FourStroke outboards (serial number 2B094996 and up) and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e150 horsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e EFI FourStroke outboards (serial number 1B905505 and up).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this part different from aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s a Mercury Marine part built for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecorrect\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fitment and includes a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003every complete\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e set of components for a proper pump repair, not a partial refresh.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHow do I know if\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the correct replacement for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Confirm your horsepower, EFI FourStroke model, and serial number range, then match the part number to 8M0094529.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this be used in both saltwater and freshwater applications?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Water pump components serve the cooling system in either environment. Regular flushing and inspection are \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eespecially important\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in saltwater.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Many experienced boat owners handle water pump service themselves with basic tools and a service manual. If you’re not comfortable, a marine technician can install it quickly.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626524434723,"sku":"8M0094529","price":146.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0094529_main.jpg?v=1760631338"},{"product_id":"mercury-outboard-water-pump-impeller-fits-30-40-45-50-60-hp-four-stroke-bigfoot-60-hp-bigfoot-75-125-hp-75-90-115-four-stroke-150-efi-v-200-mercruiser-alpha-one-gen-ii-47-43026t2","title":"Mercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Rubber | 43026T2","description":"\u003cp data-start=\"0\" data-end=\"106\"\u003e\u003cstrong data-start=\"0\" data-end=\"104\"\u003eMercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Rubber | 43026T2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"108\" data-end=\"111\"\u003e\n\u003ch3 data-start=\"113\" data-end=\"131\"\u003e\u003cstrong data-start=\"117\" data-end=\"129\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"132\" data-end=\"696\"\u003eA strong cooling system is what keeps your engine alive, and the \u003cstrong data-start=\"197\" data-end=\"244\"\u003eMercury Marine 43026T2 Quicksilver Impeller\u003c\/strong\u003e is built to handle that job with confidence. Designed for \u003cstrong data-start=\"303\" data-end=\"351\"\u003eMercury OptiMax 75–115HP TwoStroke outboards\u003c\/strong\u003e, \u003cstrong data-start=\"353\" data-end=\"394\"\u003eMercury 30–350HP FourStroke outboards\u003c\/strong\u003e, and \u003cstrong data-start=\"400\" data-end=\"453\"\u003eMerCruiser Alpha One Gen II and Vazer sterndrives\u003c\/strong\u003e, this impeller keeps water moving through your system so the engine runs cool and steady. Made from a tough, flexible rubber that holds up to heat, pressure, and vibration, it’s the dependable fix when your old impeller starts to wear down.\u003c\/p\u003e\n\u003chr data-start=\"698\" data-end=\"701\"\u003e\n\u003ch3 data-start=\"703\" data-end=\"725\"\u003e\u003cstrong data-start=\"707\" data-end=\"723\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"728\" data-end=\"822\"\u003e\n\u003cstrong data-start=\"728\" data-end=\"740\"\u003ePurpose:\u003c\/strong\u003e Keeps your cooling system circulating water efficiently to prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"825\" data-end=\"930\"\u003e\n\u003cstrong data-start=\"825\" data-end=\"838\"\u003eMaterial:\u003c\/strong\u003e Constructed from \u003cstrong data-start=\"856\" data-end=\"887\"\u003edurable marine-grade rubber\u003c\/strong\u003e that stays flexible season after season.\u003c\/li\u003e\n\u003cli data-start=\"933\" data-end=\"1045\"\u003e\n\u003cstrong data-start=\"933\" data-end=\"944\"\u003eDesign:\u003c\/strong\u003e Reinforced center insert holds strong under load and prevents the blades from slipping or tearing.\u003c\/li\u003e\n\u003cli data-start=\"1048\" data-end=\"1137\"\u003e\n\u003cstrong data-start=\"1048\" data-end=\"1064\"\u003ePerformance:\u003c\/strong\u003e Delivers consistent water pressure across idle and wide-open throttle.\u003c\/li\u003e\n\u003cli data-start=\"1140\" data-end=\"1221\"\u003e\n\u003cstrong data-start=\"1140\" data-end=\"1155\"\u003eDurability:\u003c\/strong\u003e Withstands hot conditions, long run times, and heavy vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1385\" data-end=\"1388\"\u003e\n\u003ch3 data-start=\"1390\" data-end=\"1427\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1425\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1430\" data-end=\"1486\"\u003e\n\u003cstrong data-start=\"1435\" data-end=\"1483\"\u003eMercury OptiMax 75–115HP TwoStroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1489\" data-end=\"1544\"\u003e\n\u003cstrong data-start=\"1500\" data-end=\"1541\"\u003eMercury FourStroke 30–350HP outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1547\" data-end=\"1617\"\u003e\n\u003cstrong data-start=\"1557\" data-end=\"1588\"\u003eMerCruiser Alpha One Gen II\u003c\/strong\u003e and \u003cstrong data-start=\"1593\" data-end=\"1614\"\u003eVazer sterndrives\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1620\" data-end=\"1692\"\u003eCommon on \u003cstrong data-start=\"1630\" data-end=\"1689\"\u003erunabouts, cruisers, and high-performance fishing boats\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1695\" data-end=\"1756\"\u003ePerforms in both \u003cstrong data-start=\"1712\" data-end=\"1740\"\u003efreshwater and saltwater\u003c\/strong\u003e environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1758\" data-end=\"1761\"\u003e\n\u003ch3 data-start=\"1763\" data-end=\"1806\"\u003e\u003cstrong data-start=\"1767\" data-end=\"1804\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1807\" data-end=\"2146\"\u003eThe \u003cstrong data-start=\"1811\" data-end=\"1831\"\u003e43026T2 impeller\u003c\/strong\u003e helps keep your engine running at its best by maintaining consistent water flow. Its flexible vanes create an even seal inside the housing, pushing water efficiently through your cooling system at all speeds. That means stable temperatures, steady oil pressure, and peace of mind when you’re miles from the dock.\u003c\/p\u003e\n\u003cp data-start=\"2148\" data-end=\"2389\"\u003eIf you’ve noticed your telltale stream getting weak or your engine running warmer than usual, it’s time for a new impeller. This OEM replacement restores the cooling system to full performance and helps protect your motor from heat damage.\u003c\/p\u003e\n\u003chr data-start=\"2391\" data-end=\"2394\"\u003e\n\u003ch3 data-start=\"2396\" data-end=\"2428\"\u003e\u003cstrong data-start=\"2400\" data-end=\"2426\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2429\" data-end=\"2724\"\u003eThe \u003cstrong data-start=\"2433\" data-end=\"2456\"\u003eQuicksilver 43026T2\u003c\/strong\u003e is a \u003cstrong data-start=\"2462\" data-end=\"2497\"\u003egenuine Mercury Marine impeller\u003c\/strong\u003e, engineered specifically for your outboard or sterndrive. Cheaper aftermarket versions may look the same but often use inferior rubber compounds or incorrect blade geometry, leading to poor water flow and short service life.\u003c\/p\u003e\n\u003cp data-start=\"2726\" data-end=\"2919\"\u003eMercury’s OEM parts are built and tested to handle the extreme heat and RPM demands of marine engines. With OEM, you know it fits right, performs as intended, and lasts — no guesswork needed.\u003c\/p\u003e\n\u003chr data-start=\"2921\" data-end=\"2924\"\u003e\n\u003ch3 data-start=\"2926\" data-end=\"2939\"\u003e\u003cstrong data-start=\"2930\" data-end=\"2937\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2941\" data-end=\"3116\"\u003e\u003cstrong data-start=\"2941\" data-end=\"2977\"\u003eQ1: Which engines does this fit?\u003c\/strong\u003e\u003cbr data-start=\"2977\" data-end=\"2980\"\u003eIt fits \u003cstrong data-start=\"2988\" data-end=\"3026\"\u003eMercury OptiMax 75–115HP TwoStroke\u003c\/strong\u003e, \u003cstrong data-start=\"3028\" data-end=\"3059\"\u003eMercury FourStroke 30–350HP\u003c\/strong\u003e, and \u003cstrong data-start=\"3065\" data-end=\"3106\"\u003eMerCruiser Alpha One Gen II and Vazer\u003c\/strong\u003e drives.\u003c\/p\u003e\n\u003cp data-start=\"3118\" data-end=\"3236\"\u003e\u003cstrong data-start=\"3118\" data-end=\"3144\"\u003eQ2: What’s it made of?\u003c\/strong\u003e\u003cbr data-start=\"3144\" data-end=\"3147\"\u003eIt’s made from a \u003cstrong data-start=\"3164\" data-end=\"3190\"\u003eflexible marine rubber\u003c\/strong\u003e compound that resists cracking and fatigue.\u003c\/p\u003e\n\u003cp data-start=\"3238\" data-end=\"3350\"\u003e\u003cstrong data-start=\"3238\" data-end=\"3276\"\u003eQ3: How often should I replace it?\u003c\/strong\u003e\u003cbr data-start=\"3276\" data-end=\"3279\"\u003eInspect yearly and replace every \u003cstrong data-start=\"3312\" data-end=\"3340\"\u003etwo seasons or 200 hours\u003c\/strong\u003e of use.\u003c\/p\u003e\n\u003cp data-start=\"3352\" data-end=\"3461\"\u003e\u003cstrong data-start=\"3352\" data-end=\"3389\"\u003eQ4: Is it suitable for saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3389\" data-end=\"3392\"\u003eYes — it’s made for both \u003cstrong data-start=\"3417\" data-end=\"3445\"\u003efreshwater and saltwater\u003c\/strong\u003e environments.\u003c\/p\u003e\n\u003cp data-start=\"3463\" data-end=\"3608\"\u003e\u003cstrong data-start=\"3463\" data-end=\"3506\"\u003eQ5: Why use OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3506\" data-end=\"3509\"\u003eOEM impellers ensure proper fit, exact flow, and proven durability under real boating conditions.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626524598563,"sku":"47-43026T2","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43026t2_main.jpg?v=1760631155"},{"product_id":"mercury-thermostat-with-housing-8m0137816","title":"Mercury Thermostat With Housing - 8M0137816","description":"\u003cp\u003eThis product has been superseded by: 8M0162139\u003cbr\u003e\u003cbr\u003eThermostat\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626529382691,"sku":"8M0137816","price":114.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV716048.jpg?v=1698792474"},{"product_id":"mercury-200-400-hp-v6-verado-four-stroke-water-pump-repair-kit-8m0078858","title":"Mercury – Water Pump Upper Repair Kit | Verado Series | Composite \u0026; Stainless Steel Construction | 8M0078858","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Upper Repair Kit | Verado Series | Composite \u0026amp; Stainless Steel Construction | 8M0078858\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a certain comfort that comes from knowing the heart of your cooling system \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to take whatever the water throws at it. Anyone who’s run a Mercury Verado offshore knows the feeling — you want every part beneath the cowl to be dependable, quiet, and steady. This water pump upper repair kit brings that kind of confidence back to your engine. It’s the kind of part you trust on long runs, when the shoreline fades and all you hear is the hum of a motor that’s cooling exactly the way it should.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete upper water pump repair kit for restoring proper cooling flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable composite and Stainless Steel components for long service life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePrecision-formed housings and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplate\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e engineered to Mercury Marine standards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes water impeller, upper and lower housings, face plate, gaskets, drive key, face seal, seal carrier, and water tube coupling\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for reliable, tight sealing to maintain consistent water pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt for Mercury Verado six-cylinder outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits most 200–300 horsepower four-stroke Verado models\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on offshore fishing boats, center consoles, bay boats, and performance pontoons\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both recreational and commercial Verado applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA healthy cooling system \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003echanges\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eentire\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e feel of an engine.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e With this kit installed, you’ll notice a smooth, steady flow that keeps temperatures right where they belong. There’s no guessing, no second-guessing — just a motor that stays cool even when you’re pushing through chop or idling for hours along a shoreline. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComponents fit cleanly and lock into place with the kind of precision that makes the job straightforward, even if you’re doing the work at home. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe materials \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehold up to\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e harsh environments, resisting corrosion and wear so you can focus on the run, not the pump.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Genuine Mercury Marine parts always feel like the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmarter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e choice in the long run.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e They fit right the first time, they last, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethey’re engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e around the exact cooling demands of your engine. Aftermarket kits may look similar on the surface, but they rarely match the tight tolerances Mercury builds into every component. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith an OEM kit like this, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eupkeep\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e stays simple, performance \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estays\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e consistent, and you avoid the headaches that come \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efrom\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e mismatched parts.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s the kind of practical choice seasoned boaters make without thinking twice.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does the Water Pump Upper Repair Kit 8M0078858 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for Mercury Verado six-cylinder outboards in the 200–300 horsepower range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this part different from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM Mercury Marine parts are engineered to exact tolerances and tested in real-world marine conditions, so they tend to last longer and seal more reliably.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHow do I know if\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the correct replacement for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s serial number and verify your model falls within the compatible Verado line. If you’re unsure, most Mercury dealers can confirm it quick\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ely.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this kit be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, the materials and construction hold up well in both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMost experienced boat owners can handle \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with basic tools, but a technician can \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003einstall\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e it quickly if you prefer professional ser\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003evice.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626532692259,"sku":"8M0078858","price":201.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0078858_main.jpg?v=1760631340"},{"product_id":"mercury-135-150-175-200-225-250-300-verado-water-pump-repair-kit-817275a09","title":"Mercury – Quicksilver 817275A09 Water Pump Repair Kit | Mercury Verado 4-Cylinder 135–300HP, EFI \u0026 Pro XS Outboards | 817275A09","description":"\u003cp data-start=\"0\" data-end=\"133\"\u003e\u003cstrong data-start=\"0\" data-end=\"131\"\u003eMercury – Quicksilver 817275A09 Water Pump Repair Kit | Mercury Verado 4-Cylinder 135–300HP, EFI \u0026amp; Pro XS Outboards | 817275A09\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"135\" data-end=\"138\"\u003e\n\u003ch3 data-start=\"140\" data-end=\"158\"\u003e\u003cstrong data-start=\"144\" data-end=\"156\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"159\" data-end=\"553\"\u003eA strong cooling system is the backbone of engine longevity, and the \u003cstrong data-start=\"228\" data-end=\"275\"\u003eQuicksilver 817275A09 Water Pump Repair Kit\u003c\/strong\u003e keeps your \u003cstrong data-start=\"287\" data-end=\"337\"\u003eMercury Verado 4-cylinder outboard (135–300HP)\u003c\/strong\u003e running cool and protected. This OEM kit also fits \u003cstrong data-start=\"389\" data-end=\"406\"\u003e135–200HP EFI\u003c\/strong\u003e and \u003cstrong data-start=\"411\" data-end=\"441\"\u003e200–300HP Pro XS outboards\u003c\/strong\u003e, providing everything you need to rebuild your water pump and restore full factory-level cooling performance.\u003c\/p\u003e\n\u003cp data-start=\"555\" data-end=\"787\"\u003eFrom impeller to seals, every component is designed to handle heat, pressure, and marine wear. Whether it’s preventative maintenance or a full rebuild, this kit gives you the confidence your outboard will stay cool under any load.\u003c\/p\u003e\n\u003chr data-start=\"789\" data-end=\"792\"\u003e\n\u003ch3 data-start=\"794\" data-end=\"816\"\u003e\u003cstrong data-start=\"798\" data-end=\"814\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"819\" data-end=\"913\"\u003e\n\u003cstrong data-start=\"819\" data-end=\"831\"\u003ePurpose:\u003c\/strong\u003e Rebuilds the water pump system to restore cooling flow and prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"1046\"\u003e\n\u003cstrong data-start=\"916\" data-end=\"928\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"933\" data-end=\"972\"\u003eMercury Verado 4-cylinder 135–300HP\u003c\/strong\u003e, \u003cstrong data-start=\"974\" data-end=\"999\"\u003eMercury EFI 135–200HP\u003c\/strong\u003e, and \u003cstrong data-start=\"1005\" data-end=\"1033\"\u003eMercury Pro XS 200–300HP\u003c\/strong\u003e outboards.\u003c\/li\u003e\n\u003cli data-start=\"1049\" data-end=\"1182\"\u003e\n\u003cstrong data-start=\"1049\" data-end=\"1066\"\u003eKit Contents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1076\" data-end=\"1179\"\u003eimpeller, upper and lower housings, oil carrier, retaining ring, plate, gaskets, seals, and O-rings\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1185\" data-end=\"1272\"\u003e\n\u003cstrong data-start=\"1185\" data-end=\"1196\"\u003eDesign:\u003c\/strong\u003e Built for \u003cstrong data-start=\"1207\" data-end=\"1239\"\u003edurability and precision fit\u003c\/strong\u003e under Mercury’s OEM standards.\u003c\/li\u003e\n\u003cli data-start=\"1275\" data-end=\"1382\"\u003e\n\u003cstrong data-start=\"1275\" data-end=\"1291\"\u003eEase of Use:\u003c\/strong\u003e All parts fit directly and install with \u003cstrong data-start=\"1332\" data-end=\"1353\"\u003ecommon shop tools\u003c\/strong\u003e — no modifications needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1384\" data-end=\"1387\"\u003e\n\u003ch3 data-start=\"1389\" data-end=\"1426\"\u003e\u003cstrong data-start=\"1393\" data-end=\"1424\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1429\" data-end=\"1478\"\u003eMercury Verado 4-cylinder outboards (135–300HP)\u003c\/li\u003e\n\u003cli data-start=\"1481\" data-end=\"1516\"\u003eMercury EFI outboards (135–200HP)\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1557\"\u003eMercury Pro XS outboards (200–300HP)\u003c\/li\u003e\n\u003cli data-start=\"1560\" data-end=\"1645\"\u003eCommonly used on performance boats, center consoles, bay boats, and offshore setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1647\" data-end=\"1650\"\u003e\n\u003ch3 data-start=\"1652\" data-end=\"1694\"\u003e\u003cstrong data-start=\"1656\" data-end=\"1692\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1695\" data-end=\"2031\"\u003eThe \u003cstrong data-start=\"1699\" data-end=\"1716\"\u003e817275A09 kit\u003c\/strong\u003e restores steady cooling and pressure throughout your motor. The precision-molded impeller delivers smooth, reliable water flow, while the seals and gaskets keep everything watertight under high load. Fresh pump housings and carriers ensure long life and consistent operation even in harsh saltwater environments.\u003c\/p\u003e\n\u003cp data-start=\"2033\" data-end=\"2321\"\u003eReplacing a tired or failing pump with this OEM kit prevents overheating, improves engine efficiency, and extends the lifespan of vital components. It’s one of the most complete Verado repair kits available — built to make your cooling system as reliable as the day it left the factory.\u003c\/p\u003e\n\u003chr data-start=\"2323\" data-end=\"2326\"\u003e\n\u003ch3 data-start=\"2328\" data-end=\"2349\"\u003e\u003cstrong data-start=\"2332\" data-end=\"2347\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2350\" data-end=\"2626\"\u003eMercury’s OEM kits are engineered for exact fit and long service life. Each part is made from materials tested to handle marine heat, vibration, and corrosion. Aftermarket kits often use lower-quality rubbers or mismatched tolerances that can lead to leaks or early failure.\u003c\/p\u003e\n\u003cp data-start=\"2628\" data-end=\"2805\"\u003eWith a \u003cstrong data-start=\"2635\" data-end=\"2662\"\u003egenuine Quicksilver kit\u003c\/strong\u003e, you’re installing the same parts used in new Mercury builds. It fits right, performs right, and protects your outboard for seasons to come.\u003c\/p\u003e\n\u003chr data-start=\"2807\" data-end=\"2810\"\u003e\n\u003ch3 data-start=\"2812\" data-end=\"2825\"\u003e\u003cstrong data-start=\"2816\" data-end=\"2823\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2826\" data-end=\"2981\"\u003e\u003cstrong data-start=\"2826\" data-end=\"2881\"\u003eQ1: What engines fit the Quicksilver 817275A09 kit?\u003c\/strong\u003e\u003cbr data-start=\"2881\" data-end=\"2884\"\u003eA: It fits \u003cstrong data-start=\"2895\" data-end=\"2920\"\u003eMercury 135–200HP EFI\u003c\/strong\u003e, \u003cstrong data-start=\"2922\" data-end=\"2942\"\u003e135–300HP Verado\u003c\/strong\u003e, and \u003cstrong data-start=\"2948\" data-end=\"2978\"\u003e200–300HP Pro XS outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2983\" data-end=\"3172\"\u003e\u003cstrong data-start=\"2983\" data-end=\"3018\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3018\" data-end=\"3021\"\u003eA: The kit contains \u003cstrong data-start=\"3041\" data-end=\"3128\"\u003eimpeller, housings, oil carrier, retaining ring, plate, gaskets, seals, and O-rings\u003c\/strong\u003e — everything for a complete pump rebuild.\u003c\/p\u003e\n\u003cp data-start=\"3174\" data-end=\"3315\"\u003e\u003cstrong data-start=\"3174\" data-end=\"3206\"\u003eQ3: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3206\" data-end=\"3209\"\u003eA: Yes. With basic tools and a Mercury service manual, most boaters can perform the replacement at home.\u003c\/p\u003e\n\u003cp data-start=\"3317\" data-end=\"3474\"\u003e\u003cstrong data-start=\"3317\" data-end=\"3366\"\u003eQ4: How often should I service my water pump?\u003c\/strong\u003e\u003cbr data-start=\"3366\" data-end=\"3369\"\u003eA: Mercury recommends inspecting the impeller annually and replacing the full assembly every 2–3 years.\u003c\/p\u003e\n\u003cp data-start=\"3476\" data-end=\"3632\"\u003e\u003cstrong data-start=\"3476\" data-end=\"3505\"\u003eQ5: Why choose OEM parts?\u003c\/strong\u003e\u003cbr data-start=\"3505\" data-end=\"3508\"\u003eA: OEM parts ensure proper water flow, pressure, and fit — protecting your engine from overheating and extending its life.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626532823331,"sku":"817275A09","price":110.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/817275a09_main.jpg?v=1760631216"},{"product_id":"mercury-poppet-valve-kit-fits-v-6-outboard-models-803062t1","title":"Mercury - Poppet Valve Kit - Fits V-6 Outboard Models - 803062T1","description":"\u003cp\u003eIncludes new poppet valve, carrier, grommet, diaphragm, gaskets, spring, screw and washer.\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eV\"6 outboard models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSee chart for specific engine applications.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626533019939,"sku":"803062T1","price":33.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/20250303_073821.jpg?v=1741008632"},{"product_id":"mercury-complete-water-pump-fits-30-60-hp-efi-carbureted-fourstroke-46-812966a12","title":"Mercury – Quicksilver 812966A12 Water Pump Repair Kit | Mercury \u0026 Mariner 4-Stroke 30–60HP Outboards | Complete OEM Kit | 812966A12","description":"\u003cp data-start=\"0\" data-end=\"137\"\u003e\u003cstrong data-start=\"0\" data-end=\"135\"\u003eMercury – Quicksilver 812966A12 Water Pump Repair Kit | Mercury \u0026amp; Mariner 4-Stroke 30–60HP Outboards | Complete OEM Kit | 812966A12\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"139\" data-end=\"142\"\u003e\n\u003ch3 data-start=\"144\" data-end=\"162\"\u003e\u003cstrong data-start=\"148\" data-end=\"160\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"163\" data-end=\"482\"\u003eEvery seasoned boater knows how critical a reliable water pump is. It’s the part that quietly keeps your engine cool, trip after trip. The \u003cstrong data-start=\"302\" data-end=\"349\"\u003eQuicksilver 812966A12 Water Pump Repair Kit\u003c\/strong\u003e gives your \u003cstrong data-start=\"361\" data-end=\"411\"\u003eMercury or Mariner 4-stroke outboard (30–60HP)\u003c\/strong\u003e a full refresh, restoring proper water flow and cooling performance.\u003c\/p\u003e\n\u003cp data-start=\"484\" data-end=\"815\"\u003eThis kit isn’t just a quick fix — it’s one of the most complete OEM kits available, with everything you need to bring your pump back to factory condition. Whether you’re doing routine maintenance or replacing a worn impeller after years of service, this set ensures your motor stays protected and running cool in every condition.\u003c\/p\u003e\n\u003chr data-start=\"817\" data-end=\"820\"\u003e\n\u003ch3 data-start=\"822\" data-end=\"844\"\u003e\u003cstrong data-start=\"826\" data-end=\"842\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"847\" data-end=\"935\"\u003e\n\u003cstrong data-start=\"847\" data-end=\"859\"\u003ePurpose:\u003c\/strong\u003e Restores full cooling performance by replacing key water pump components.\u003c\/li\u003e\n\u003cli data-start=\"938\" data-end=\"1050\"\u003e\n\u003cstrong data-start=\"938\" data-end=\"950\"\u003eFitment:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"964\" data-end=\"1025\"\u003eMercury and Mariner 4-stroke EFI and carbureted outboards\u003c\/strong\u003e, \u003cstrong data-start=\"1027\" data-end=\"1047\"\u003e30–60 horsepower\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1053\" data-end=\"1203\"\u003e\n\u003cstrong data-start=\"1053\" data-end=\"1070\"\u003eKit Contents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1080\" data-end=\"1200\"\u003eimpeller, upper and lower housings, face plate, gaskets, drive key, face seal, seal carrier, and water tube coupling\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1206\" data-end=\"1327\"\u003e\n\u003cstrong data-start=\"1206\" data-end=\"1224\"\u003eBuild Quality:\u003c\/strong\u003e All parts meet \u003cstrong data-start=\"1240\" data-end=\"1272\"\u003eMercury Marine OEM standards\u003c\/strong\u003e, ensuring a perfect fit and long-lasting durability.\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1452\"\u003e\n\u003cstrong data-start=\"1330\" data-end=\"1350\"\u003eEase of Service:\u003c\/strong\u003e Everything is included for a full rebuild using standard shop tools — no extra parts to chase down.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1454\" data-end=\"1457\"\u003e\n\u003ch3 data-start=\"1459\" data-end=\"1496\"\u003e\u003cstrong data-start=\"1463\" data-end=\"1494\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1499\" data-end=\"1575\"\u003eMercury and Mariner 4-stroke 30–60HP outboards (EFI and carbureted models)\u003c\/li\u003e\n\u003cli data-start=\"1578\" data-end=\"1646\"\u003eFound on small cruisers, fishing rigs, pontoons, and utility boats\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1648\" data-end=\"1651\"\u003e\n\u003ch3 data-start=\"1653\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1657\" data-end=\"1693\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1696\" data-end=\"2007\"\u003eYour outboard’s water pump does the heavy lifting of keeping your engine cool. When the impeller or seals wear out, water flow drops, and overheating isn’t far behind. The \u003cstrong data-start=\"1868\" data-end=\"1885\"\u003e812966A12 kit\u003c\/strong\u003e replaces every critical piece — not just the impeller — restoring full pressure and flow throughout the cooling system.\u003c\/p\u003e\n\u003cp data-start=\"2009\" data-end=\"2323\"\u003eWith new housings, seals, and gaskets, you’ll get peace of mind knowing the system is tight and efficient. The pump will prime quickly, circulate water properly, and prevent overheating even during long runs at wide-open throttle. It’s the kind of maintenance that pays for itself in reliability and engine life.\u003c\/p\u003e\n\u003chr data-start=\"2325\" data-end=\"2328\"\u003e\n\u003ch3 data-start=\"2330\" data-end=\"2351\"\u003e\u003cstrong data-start=\"2334\" data-end=\"2349\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2352\" data-end=\"2579\"\u003eMercury OEM components are engineered specifically for the demands of marine cooling systems. The materials are built to handle constant exposure to water, heat, and vibration — things aftermarket parts often can’t replicate.\u003c\/p\u003e\n\u003cp data-start=\"2581\" data-end=\"2902\"\u003eAn OEM kit guarantees proper clearances, exact seal fitment, and impeller flexibility that matches your engine’s original design. Aftermarket kits can be hit or miss, sometimes including parts that don’t align correctly or wear out too soon. With genuine Quicksilver parts, you’re not just replacing — you’re restoring.\u003c\/p\u003e\n\u003chr data-start=\"2904\" data-end=\"2907\"\u003e\n\u003ch3 data-start=\"2909\" data-end=\"2922\"\u003e\u003cstrong data-start=\"2913\" data-end=\"2920\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2923\" data-end=\"3082\"\u003e\u003cstrong data-start=\"2923\" data-end=\"2979\"\u003eQ1: Which engines use the Quicksilver 812966A12 kit?\u003c\/strong\u003e\u003cbr data-start=\"2979\" data-end=\"2982\"\u003eA: It fits \u003cstrong data-start=\"2993\" data-end=\"3045\"\u003eMercury and Mariner 4-stroke outboards (30–60HP)\u003c\/strong\u003e, both EFI and carbureted versions.\u003c\/p\u003e\n\u003cp data-start=\"3084\" data-end=\"3288\"\u003e\u003cstrong data-start=\"3084\" data-end=\"3119\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3119\" data-end=\"3122\"\u003eA: Everything you need for a full rebuild: \u003cstrong data-start=\"3165\" data-end=\"3285\"\u003eimpeller, upper and lower housings, face plate, gaskets, drive key, face seal, seal carrier, and water tube coupling\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3290\" data-end=\"3483\"\u003e\u003cstrong data-start=\"3290\" data-end=\"3340\"\u003eQ3: How often should I replace the water pump?\u003c\/strong\u003e\u003cbr data-start=\"3340\" data-end=\"3343\"\u003eA: Mercury recommends inspecting the impeller annually and replacing the full pump every 2–3 years or sooner in sandy or muddy conditions.\u003c\/p\u003e\n\u003cp data-start=\"3485\" data-end=\"3645\"\u003e\u003cstrong data-start=\"3485\" data-end=\"3517\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3517\" data-end=\"3520\"\u003eA: Yes. Anyone with basic mechanical skill and standard tools can complete the replacement by following the service manual.\u003c\/p\u003e\n\u003cp data-start=\"3647\" data-end=\"3844\"\u003e\u003cstrong data-start=\"3647\" data-end=\"3686\"\u003eQ5: Why not use an aftermarket kit?\u003c\/strong\u003e\u003cbr data-start=\"3686\" data-end=\"3689\"\u003eA: Aftermarket kits can use cheaper rubber compounds or misaligned housings, leading to poor flow or premature wear. OEM parts fit right and last longer.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626533576995,"sku":"46-812966A12","price":155.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/812966a12_main.jpg?v=1760631237"},{"product_id":"mercury-thermostat-assy-8m0090819","title":"Mercury – Thermostat Assembly | Cooling System | 120°F Rated | 8M0090819","description":"\u003cul data-start=\"796\" data-end=\"1268\"\u003e\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Thermostat Assembly | Cooling System | 120°F Rated | 8M0090819\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a certain comfort that comes from an engine running at just the right temperature. You can hear it in the steady rhythm at idle and feel it when you push the throttle and the boat lifts effortlessly onto plane. That sense of control and predictability doesn’t happen by accident—it’s the result of dependable parts doing their job quietly beneath the cowling. The Mercury 8M0090819 Thermostat Assembly brings that peace of mind to every outing, keeping your 75–115 horsepower FourStroke running exactly the way it should.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaintains a consistent 120-degree Fahrenheit operating temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesign\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eed for proper coolant flow in Mercury 2.1L EFI FourStroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable, thermally precise construction for reliable long-term performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDirect-fit replacement engineered to Mercury Marine specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStraightforward installation using common tools\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Mercury 75–115 horsepower 2.1L EFI FourStroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompat\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eible with a wide range of hull styles, including pontoons, center consoles, aluminum fishing boats, and runabouts\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for freshwater and saltwater use\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA thermostat may be a small piece of the cooling system, but it has a huge impact on how your engine behaves. With the 8M0090819 installed, your Mercury FourStroke warms quickly, holds a smooth idle, and avoids the sluggish feeling that comes from running too cool or too hot. The temperature regulation is steady, which helps improve combustion efficiency and protects internal components from unnecessary stress.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOn the water, that translates into easy starts early in the morning, crisp throttle response when you’re navigating tight channels, and a dependable, steady feeling during long runs at mid-range speeds. The thermostat opens and closes with a tight, predictable motion, keeping the engine temperature dialed in no matter the load, the weather, or how long you’ve been running. And when you’re miles from the dock, that kind of reliability means everything.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCooling components must be precise—there’s simply no room for error. Mercury OEM thermostats are engineered to match the exact flow rate and temperature specifications your engine was designed for. Aftermarket versions often look similar, but the opening temperature can vary, which affects warm-up time, efficiency, and long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you choose the genuine Mercury Marine part number 8M0090819, you’re choosing a thermostat that seats cleanly, fits without forcing, and behaves exactly the way the factory intended. It’s the smarter investment in the long run, protecting the heart of your engine and keeping your time on the water trouble-free.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does this thermostat fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s designed specifically for Mercury 75–115 horsepower 2.1L EFI FourStroke outboards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this thermostat different from aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM thermostats open at the correct temperature and fit perfectly, ensuring proper coolant flow and consistent engine operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the correct part for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your serial number and model details with your owner’s manual to verify compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes—its materials and design tolerate both environments without issue.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boat owners can replace it themselves with basic tools, following the steps in the service manual.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626535215395,"sku":"8M0090819","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0090819_main.jpg?v=1760631366"},{"product_id":"mercury-817275a08-water-pump-upper-repair-kit","title":"Mercury – Quicksilver 817275A08 Upper Water Pump Repair Kit | Mercury Verado \u0026 EFI Outboards (65–275HP) | 817275A08","description":"\u003cp data-start=\"0\" data-end=\"121\"\u003e\u003cstrong data-start=\"0\" data-end=\"119\"\u003eMercury – Quicksilver 817275A08 Upper Water Pump Repair Kit | Mercury Verado \u0026amp; EFI Outboards (65–275HP) | 817275A08\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"123\" data-end=\"126\"\u003e\n\u003ch3 data-start=\"128\" data-end=\"146\"\u003e\u003cstrong data-start=\"132\" data-end=\"144\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"147\" data-end=\"612\"\u003eA healthy cooling system keeps your engine alive. The \u003cstrong data-start=\"201\" data-end=\"254\"\u003eQuicksilver 817275A08 Upper Water Pump Repair Kit\u003c\/strong\u003e gives your \u003cstrong data-start=\"266\" data-end=\"313\"\u003eMercury Verado and EFI outboards (65–275HP)\u003c\/strong\u003e everything needed to restore proper water flow and protect against overheating. Designed for long service life, this OEM kit includes all the critical parts — from gaskets and O-rings to the impeller and upper housing — built to Mercury’s factory specs for precise fit and dependable performance.\u003c\/p\u003e\n\u003cp data-start=\"614\" data-end=\"768\"\u003eWhether you’re doing a scheduled maintenance or replacing a worn pump, this kit delivers the same cooling performance your outboard had when it was new.\u003c\/p\u003e\n\u003chr data-start=\"770\" data-end=\"773\"\u003e\n\u003ch3 data-start=\"775\" data-end=\"797\"\u003e\u003cstrong data-start=\"779\" data-end=\"795\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"800\" data-end=\"889\"\u003e\n\u003cstrong data-start=\"800\" data-end=\"812\"\u003ePurpose:\u003c\/strong\u003e Repairs and restores your engine’s water pump system for reliable cooling.\u003c\/li\u003e\n\u003cli data-start=\"892\" data-end=\"1052\"\u003e\n\u003cstrong data-start=\"892\" data-end=\"904\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"909\" data-end=\"975\"\u003eMercury EFI and Jet outboards (65–115HP, serial 2B095049 \u0026amp; up)\u003c\/strong\u003e and \u003cstrong data-start=\"980\" data-end=\"1010\"\u003eVerado 135–275HP outboards\u003c\/strong\u003e (serial ranges 0T010000–2B095049 \u0026amp; up).\u003c\/li\u003e\n\u003cli data-start=\"1055\" data-end=\"1167\"\u003e\n\u003cstrong data-start=\"1055\" data-end=\"1072\"\u003eKit Contents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1082\" data-end=\"1164\"\u003eimpeller, gaskets, O-rings, plates, key, fittings, hardware, and upper housing\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1170\" data-end=\"1275\"\u003e\n\u003cstrong data-start=\"1170\" data-end=\"1185\"\u003eDurability:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"1199\" data-end=\"1226\"\u003ehigh flow and long life\u003c\/strong\u003e, even in hot or high-demand marine conditions.\u003c\/li\u003e\n\u003cli data-start=\"1278\" data-end=\"1372\"\u003e\n\u003cstrong data-start=\"1278\" data-end=\"1298\"\u003eEase of Install:\u003c\/strong\u003e All parts fit directly and can be installed with \u003cstrong data-start=\"1348\" data-end=\"1369\"\u003ecommon shop tools\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1374\" data-end=\"1377\"\u003e\n\u003ch3 data-start=\"1379\" data-end=\"1416\"\u003e\u003cstrong data-start=\"1383\" data-end=\"1414\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1419\" data-end=\"1465\"\u003e65–115HP EFI \u0026amp; Jet outboards (2B095049 \u0026amp; up)\u003c\/li\u003e\n\u003cli data-start=\"1468\" data-end=\"1520\"\u003e135–175HP Mercury Verado outboards (1B227000 \u0026amp; up)\u003c\/li\u003e\n\u003cli data-start=\"1523\" data-end=\"1567\"\u003e200–225HP Verado outboards (0T980000 \u0026amp; up)\u003c\/li\u003e\n\u003cli data-start=\"1570\" data-end=\"1614\"\u003e250–275HP Verado outboards (0T010000 \u0026amp; up)\u003c\/li\u003e\n\u003cli data-start=\"1617\" data-end=\"1694\"\u003eCommon on center consoles, pontoons, bay boats, and offshore fishing setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1696\" data-end=\"1699\"\u003e\n\u003ch3 data-start=\"1701\" data-end=\"1743\"\u003e\u003cstrong data-start=\"1705\" data-end=\"1741\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1744\" data-end=\"1987\"\u003eThe \u003cstrong data-start=\"1748\" data-end=\"1765\"\u003e817275A08 kit\u003c\/strong\u003e restores cooling efficiency and water flow to your Verado’s powerhead. The impeller and housing work together to move water quickly and evenly through the cooling passages, keeping engine temperatures stable under load.\u003c\/p\u003e\n\u003cp data-start=\"1989\" data-end=\"2310\"\u003eMercury’s high-grade materials resist wear from sand, silt, and saltwater exposure. Regular pump maintenance with OEM parts helps prevent overheating, corrosion, and impeller failure — all of which can lead to costly repairs if ignored. With this complete kit, your outboard runs cooler, smoother, and more efficiently.\u003c\/p\u003e\n\u003chr data-start=\"2312\" data-end=\"2315\"\u003e\n\u003ch3 data-start=\"2317\" data-end=\"2338\"\u003e\u003cstrong data-start=\"2321\" data-end=\"2336\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2339\" data-end=\"2564\"\u003eMercury’s OEM water pump kits are built to exact tolerances and tested for real-world marine conditions. Aftermarket kits often use cheaper rubbers or metals that don’t fit as tightly or wear faster under heat and pressure.\u003c\/p\u003e\n\u003cp data-start=\"2566\" data-end=\"2778\"\u003eA \u003cstrong data-start=\"2568\" data-end=\"2595\"\u003egenuine Quicksilver kit\u003c\/strong\u003e gives you the assurance of factory-level performance and durability. It’s built by the same engineers who designed your Verado’s cooling system — made to fit right and last longer.\u003c\/p\u003e\n\u003chr data-start=\"2780\" data-end=\"2783\"\u003e\n\u003ch3 data-start=\"2785\" data-end=\"2798\"\u003e\u003cstrong data-start=\"2789\" data-end=\"2796\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2799\" data-end=\"2971\"\u003e\u003cstrong data-start=\"2799\" data-end=\"2854\"\u003eQ1: What engines fit the Quicksilver 817275A08 kit?\u003c\/strong\u003e\u003cbr data-start=\"2854\" data-end=\"2857\"\u003eA: It fits \u003cstrong data-start=\"2868\" data-end=\"2896\"\u003eMercury Verado 135–275HP\u003c\/strong\u003e and \u003cstrong data-start=\"2901\" data-end=\"2941\"\u003eMercury EFI \u0026amp; Jet outboards 65–115HP\u003c\/strong\u003e, depending on serial range.\u003c\/p\u003e\n\u003cp data-start=\"2973\" data-end=\"3155\"\u003e\u003cstrong data-start=\"2973\" data-end=\"3008\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3008\" data-end=\"3011\"\u003eA: The kit comes with \u003cstrong data-start=\"3033\" data-end=\"3115\"\u003eimpeller, O-rings, gaskets, plates, key, fittings, hardware, and upper housing\u003c\/strong\u003e — everything for a full pump rebuild.\u003c\/p\u003e\n\u003cp data-start=\"3157\" data-end=\"3308\"\u003e\u003cstrong data-start=\"3157\" data-end=\"3207\"\u003eQ3: How often should I replace the water pump?\u003c\/strong\u003e\u003cbr data-start=\"3207\" data-end=\"3210\"\u003eA: Mercury recommends inspecting it annually and replacing it every 2–3 years, depending on use.\u003c\/p\u003e\n\u003cp data-start=\"3310\" data-end=\"3438\"\u003e\u003cstrong data-start=\"3310\" data-end=\"3342\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3342\" data-end=\"3345\"\u003eA: Yes, with basic tools and a Mercury service manual, most owners can handle installation.\u003c\/p\u003e\n\u003cp data-start=\"3440\" data-end=\"3596\"\u003e\u003cstrong data-start=\"3440\" data-end=\"3466\"\u003eQ5: Why use OEM parts?\u003c\/strong\u003e\u003cbr data-start=\"3466\" data-end=\"3469\"\u003eA: OEM kits ensure proper fit, flow rate, and long-term reliability. Aftermarket versions can cause leaks or reduced cooling.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626535248163,"sku":"817275A08","price":100.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/817275a08_main.jpg?v=1760631212"},{"product_id":"mercury-46-8m0061040-outboard-water-pump-upper-repair-kit-fits-f150-f75-115-1-7l-efi-four-stroke-outboard","title":"Mercury – Upper Water Pump Repair Kit | Cooling System | Polymer \u0026 Elastomer Components | 8M0061040","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Upper Water Pump Repair Kit | Cooling System | Polymer \u0026amp; Elastomer Components | 8M0061040\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEvery boater knows that a dependable cooling system is the quiet heartbeat of an engine that lasts. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you’re running across open water, trimming into a tight channel, or just easing back toward the dock after a long day, you want the comfort of knowing your outboard is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebeing cooled\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the way Mercury intended. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver 8M0061040 Upper Water Pump Repair Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gives you that sense of assurance — the kind that comes from installing parts built specifically for your engine, made to hold up through changing seasons, shifting water conditions, and real-world use. It’s the kind of component you trust because it never asks you to think twice.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eupper water pump repair kit\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eP\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eremium elastomer impeller for long-lasting performance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHousing, gaskets, and hardware included\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to maintain \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esteady\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e cooling water flow\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine OEM\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e specifications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eManufactured to withstand broad temperature ranges and harsh marine environments\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part number \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e8M0061040\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eM\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eercury \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e75–115hp 1.7L FourStroke\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e outboards (serial 2B094996 and higher)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMercury \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e150hp EFI FourStroke\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e outboards (serial 1B905505 and higher)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon boat types: center consoles, skiffs, pontoons, bay boats, runabouts, and fishing boats running FourStroke power\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlways match serial numbers to confirm the proper kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e water pump might be out of sight, but it’s never out of mind once you’ve dealt with overheating or inconsistent water pressure. This kit brings everything back to factory precision. The impeller \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis made\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e from high-quality elastomers, which means it flexes exactly as it should, delivering a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmooth, steady, reliable\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e stream of cooling water. N\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eo surging, no drop-offs — just a consistent flow your engine can count on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is straightforward thanks to the all-in-one design.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every gasket fits cleanly, the housing seats tightly, and the hardware matches Mercury tolerances. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnce installed, you’ll feel the difference almost immediately: your outboard runs cooler, holds temperature more easily at idle, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esimply\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e feels more secure under load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis kit isn’t just about replacing parts — it’s about restoring confidence. You’ll notice how much quieter and smoother your engine behaves when the cooling system \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eisn’t strained\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. It’s one of those upgrades where everything feels “right” again.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen it comes to something as important as cooling, cutting corners is never worth it. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM parts from Mercury Marine give you the fitment accuracy, material quality, and long-term reliability that aftermarket options \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e can’t replicate.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e These components are built for the exact water flow and pressure your engine needs — not a generic approximation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuying OEM means fewer surprises, fewer do-overs, and fewer headaches down the road. It’s the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmart\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e choice for boaters who want equipment that performs correctly the first time and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeeps performing\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does this water pump kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efits Mercury 75–115hp 1.7L FourStroke and 150hp EFI FourStroke outboards with the listed serial ranges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this kit different from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM materials, precise tolerances, and premium elastomer impellers ensure \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebetter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e cooling performance and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elonger life\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the right kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine’s serial number with the ranges listed. Y\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eour owner’s manual can \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehelp as well\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this kit be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely — it’s built to handle both environments with strong resistance to heat, friction, and corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most experienced boaters or technicians find installation simple with basic tools and a service manual.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626535870755,"sku":"46-8M0061040","price":103.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0061040_Main.jpg?v=1760631300"},{"product_id":"mercury-thermostat-120-degrees-14586","title":"Mercury - Thermostat - 120 Degrees - 14586","description":"\u003cp\u003eMercury Thermostat -120 degrees\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626536165667,"sku":"14586","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/14586_Main.jpg?v=1760631164"},{"product_id":"mercury-pump-priming-895124","title":"Mercury - Priming Pump - 895124","description":"\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Priming Pump (895124)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e plays a key role in keeping that system running smoothly. Designed to eliminate air pockets and maintain steady fuel flow, this pump ensures quick, consistent starts and prevents stalling caused by fuel starvation. Whether you’re firing up your engine for the first time in weeks or heading out for a full day on the water, a dependable priming pump keeps things running as they should.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt for Marine Environments\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaintains Consistent Fuel Flow\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e – Prevents air bubbles from disrupting the fuel system, reducing the risk of hard starts.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable, Fuel-Resistant Construction\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e – Engineered to withstand exposure to gasoline, heat, and marine conditions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecision Fit for Mercury Systems\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e – Designed to meet OEM specifications, ensuring proper function and seamless installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReduces Stalling \u0026amp; Hesitation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e – Keeps fuel pressure stable, helping the engine run efficiently under all conditions.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProduct Details:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePart Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 895124\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaterial:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e High-quality, fuel-resistant components\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFunction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Supports proper fuel priming for smooth operation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen fuel delivery becomes inconsistent, performance suffers. Swapping out a worn \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Priming Pump (895124)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e restores reliable operation, keeping your engine ready to go whenever you are.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626536427811,"sku":"895124","price":28.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/20250303_071114.jpg?v=1741006833"},{"product_id":"water-pump-kit-8m0065072","title":"Mercury – Water Pump Kit, 200–400HP Verado | Cooling System | 8M0065072","description":"\u003cp data-start=\"0\" data-end=\"71\"\u003eMercury – Water Pump Kit, 200–400HP Verado | Cooling System | 8M0065072\u003c\/p\u003e\n\u003chr data-start=\"73\" data-end=\"76\"\u003e\n\u003ch3 data-start=\"78\" data-end=\"92\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"93\" data-end=\"591\"\u003eIf you’ve spent any time around the big Verado six-cylinders, you know the water pump is one part you can’t afford to ignore. These engines move a ton of water, and when the pump starts getting tired, the engine lets you know—weak telltale, temps running a little warmer than usual, or that uneasy feeling when you’re idling in hot water. This kit is the proper OEM setup for a range of 200–400HP Verado models and brings the cooling system back to the solid, reliable flow these engines depend on.\u003c\/p\u003e\n\u003chr data-start=\"593\" data-end=\"596\"\u003e\n\u003ch3 data-start=\"598\" data-end=\"616\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"617\" data-end=\"1100\"\u003e • \u003cstrong data-start=\"620\" data-end=\"656\"\u003eCorrect Kit for 200–400HP Verado\u003c\/strong\u003e – Designed specifically for 6-cylinder FourStroke Verado platforms.\u003cbr data-start=\"724\" data-end=\"727\"\u003e • \u003cstrong data-start=\"730\" data-end=\"762\"\u003eRestores Cooling Performance\u003c\/strong\u003e – Gives the impeller and pump housing a fresh sealing surface.\u003cbr data-start=\"825\" data-end=\"828\"\u003e • \u003cstrong data-start=\"831\" data-end=\"855\"\u003eMarine-Durable Parts\u003c\/strong\u003e – Built to handle heat, pressure, sand, and vibration these motors see.\u003cbr data-start=\"927\" data-end=\"930\"\u003e • \u003cstrong data-start=\"933\" data-end=\"960\"\u003eStraightforward Install\u003c\/strong\u003e – A clean swap once the lower unit is dropped.\u003cbr data-start=\"1007\" data-end=\"1010\"\u003e • \u003cstrong data-start=\"1013\" data-end=\"1037\"\u003eOEM Fit \u0026amp; Tolerances\u003c\/strong\u003e – Ensures proper water flow at idle and at wide-open throttle.\u003c\/p\u003e\n\u003chr data-start=\"1102\" data-end=\"1105\"\u003e\n\u003ch3 data-start=\"1107\" data-end=\"1140\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1141\" data-end=\"1373\"\u003e • Mercury Verado 200HP\u003cbr data-start=\"1164\" data-end=\"1167\"\u003e • Mercury Verado 225HP\u003cbr data-start=\"1190\" data-end=\"1193\"\u003e • Mercury Verado 250HP\u003cbr data-start=\"1216\" data-end=\"1219\"\u003e • Mercury Verado 275HP\u003cbr data-start=\"1242\" data-end=\"1245\"\u003e • Mercury Verado 300HP\u003cbr data-start=\"1268\" data-end=\"1271\"\u003e • Mercury Verado 350HP\u003cbr data-start=\"1294\" data-end=\"1297\"\u003e • Mercury Verado 400HP\u003cbr data-start=\"1320\" data-end=\"1323\"\u003e • Select 6-cylinder FourStroke Verado outboards\u003c\/p\u003e\n\u003chr data-start=\"1375\" data-end=\"1378\"\u003e\n\u003ch3 data-start=\"1380\" data-end=\"1418\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1419\" data-end=\"1877\"\u003eA fresh pump kit keeps these high-horsepower engines running cool and steady. You’ll see a stronger telltale, more stable temps during long idle periods, and better confidence when pushing the boat hard. Since Verados rely heavily on strong cooling flow to support their supercharged power curve, a worn pump can throw off performance quicker than people expect. Replacing it keeps the engine safe—and gives you peace of mind when you're miles from the dock.\u003c\/p\u003e\n\u003chr data-start=\"1879\" data-end=\"1882\"\u003e\n\u003ch3 data-start=\"1884\" data-end=\"1901\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1902\" data-end=\"2257\"\u003eVerados aren’t engines you want to trust to bargain-bin pump parts. OEM kits match Mercury’s exact tolerances, which means the impeller sits right, the housing seals properly, and flow stays where the engine expects it. Cheaper kits can swell, warp, or wear unevenly, leading to overheating or premature impeller failure. OEM keeps everything predictable.\u003c\/p\u003e\n\u003chr data-start=\"2259\" data-end=\"2262\"\u003e\n\u003ch3 data-start=\"2264\" data-end=\"2273\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"2274\" data-end=\"2427\"\u003e\u003cstrong data-start=\"2274\" data-end=\"2334\"\u003eQ1: What are early signs the water pump needs attention?\u003c\/strong\u003e\u003cbr data-start=\"2334\" data-end=\"2337\"\u003e\u003cstrong data-start=\"2337\" data-end=\"2343\"\u003eA:\u003c\/strong\u003e Weak telltale, temps creeping up at idle, or the engine sounding hotter than usual.\u003c\/p\u003e\n\u003cp data-start=\"2429\" data-end=\"2572\"\u003e\u003cstrong data-start=\"2429\" data-end=\"2478\"\u003eQ2: Should I replace the impeller every time?\u003c\/strong\u003e\u003cbr data-start=\"2478\" data-end=\"2481\"\u003e\u003cstrong data-start=\"2481\" data-end=\"2487\"\u003eA:\u003c\/strong\u003e Yes—if you’ve already dropped the lower unit, do the impeller. It’s cheap insurance.\u003c\/p\u003e\n\u003cp data-start=\"2574\" data-end=\"2714\"\u003e\u003cstrong data-start=\"2574\" data-end=\"2621\"\u003eQ3: Is this a tough job for a DIY mechanic?\u003c\/strong\u003e\u003cbr data-start=\"2621\" data-end=\"2624\"\u003e\u003cstrong data-start=\"2624\" data-end=\"2630\"\u003eA:\u003c\/strong\u003e Not bad if you’re comfortable pulling a Verado lower unit and following the manual.\u003c\/p\u003e\n\u003cp data-start=\"2716\" data-end=\"2851\"\u003e\u003cstrong data-start=\"2716\" data-end=\"2763\"\u003eQ4: How often should this pump be serviced?\u003c\/strong\u003e\u003cbr data-start=\"2763\" data-end=\"2766\"\u003e\u003cstrong data-start=\"2766\" data-end=\"2772\"\u003eA:\u003c\/strong\u003e Many Verado owners do it yearly, especially if running sandy or shallow water.\u003c\/p\u003e\n\u003cp data-start=\"2853\" data-end=\"3003\"\u003e\u003cstrong data-start=\"2853\" data-end=\"2911\"\u003eQ5: What happens if the pump base or impeller is worn?\u003c\/strong\u003e\u003cbr data-start=\"2911\" data-end=\"2914\"\u003e\u003cstrong data-start=\"2914\" data-end=\"2920\"\u003eA:\u003c\/strong\u003e Cooling drops off, temps climb, and the engine may derate power to protect itself.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626537279779,"sku":"8M0065072","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0065072_main-1.jpg?v=1760631325"},{"product_id":"thermostat-130-8m0057307","title":"Mercury – Replacement Thermostat | OptiMax 3.0L \u0026 V6 Series | Marine-Grade Brass \u0026amp; Stainless Components | 8M0057307","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Replacement Thermostat | OptiMax 3.0L \u0026amp; V6 Series | Marine-Grade Brass \u0026amp; Stainless Components | 8M0057307\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a certain comfort in knowing your engine is running at the exact temperature it was designed for. When you’re cruising across open water or easing into a quiet cove, you want to feel that smooth, steady power beneath you—no hesitation, no surprises. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver 8M0057307 130-Degree Fahrenheit Thermostat\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e helps keep that feeling consistent. It maintains the cooling system temperature your OptiMax counts on, so every run feels controlled, confident, and right where it should be.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecisely calibrated one-hundred-thirty-degree-Fahrenheit thermostat\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade construction for long-term durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSelf-cleaning design to shed debris and prevent sticking\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEnsures proper engine cooling temperature for performance and efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEasy installation with common tools\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine original equipment specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for three-point-zero-liter and V6 Mercury OptiMax outboards (non-Pro models)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits model years two-thousand-one and newer with ECM 555 systems (check serial numbers 0M300000–2A455878)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for bay boats, offshore center consoles, bass boats, and multi-species rigs powered by OptiMax outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both recreational and heavy-use applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A thermostat might seem like a small component, but on the water, small things make big differences. This Mercury Marine part helps the engine warm quickly and stay at a tight, predictable temperature. You’ll feel that steadiness in the throttle response, the smooth idle, and the clean transition when you jump on plane.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBecause it’s calibrated specifically for OptiMax cooling systems, the thermostat reacts exactly the way your engine expects—opening cleanly when temperatures rise and sealing firmly when it’s time to maintain heat. The self-cleaning surfaces help contaminants wash through instead of building up, which makes the system more reliable and reduces the chance of overheating after a long run through weedy or silty water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEverything about it feels solid, steady, and secure. You install it once, and it quietly protects your engine trip after trip.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e With something as critical as engine temperature, shortcuts just don’t make sense. An aftermarket thermostat may look similar, but they rarely match Mercury’s calibration accuracy or durability. An OEM Mercury Marine part—notably this \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epart number 8M0057307\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e—is engineered for your exact outboard. It fits cleanly, responds correctly, and holds up season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing genuine Mercury parts means fewer surprises, fewer headaches, and more time actually enjoying your time on the water. For most boaters, that’s the simplest kind of logic.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the 8M0057307 thermostat fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s designed for three-point-zero-liter and V6 Mercury OptiMax outboards using ECM 555 controls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets this apart from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Precise temperature calibration, longer-lasting materials, and a self-cleaning design—all matched to Mercury’s cooling system specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the correct thermostat for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s manual for the specified temperature rating, or match your engine’s model, year, and serial range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this thermostat be used in both saltwater and freshwater environments?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, its marine-grade construction is suited for either, provided regular maintenance is followed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters comfortable with basic maintenance can replace it using common tools. Just follow the steps in your service manual.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626540065059,"sku":"8M0057307","price":115.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0057307_main-1.jpg?v=1760631328"},{"product_id":"mercury-853792a07-outboard-water-pump-repair-kit-fits-25-30-hp-efi-four-stroke","title":"Mercury 853792A07 Outboard Water Pump Repair Kit - Fits 25-30 HP EFI Four Stroke","description":"\u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e25-30 HP EFI Four Stroke outboards\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626549960995,"sku":"853792A07","price":79.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/853792a07.jpg?v=1698795209"},{"product_id":"mercury-poppet-valve-assy-8m0114707","title":"Mercury - Poppet valve assy - 8M0114707","description":"\u003cp data-end=\"688\" data-start=\"209\"\u003eKeeping an outboard running at the right temperature isn’t just about pushing water through the system — it’s about managing flow when conditions shift. That’s exactly what the \u003cstrong data-end=\"438\" data-start=\"386\"\u003eMercury Marine Poppet Valve Assembly - 8M0114707\u003c\/strong\u003e is built to handle. This small but essential part regulates water flow through your cooling system, opening up when your RPMs climb and dialing things back at lower speeds, ensuring your engine runs right where it should — not too hot, not too cold.\u003c\/p\u003e\n\u003cp data-end=\"1219\" data-start=\"690\"\u003eEngineered specifically for select Mercury outboards, this poppet valve assembly fits like factory because it is factory. The precision-molded design opens and closes smoothly, adapting to the cooling demands of the engine in real time. It’s built from corrosion-resistant materials that hold up to saltwater exposure and the constant pressure cycles that come with hard running. Whether you’re chasing down an overheating issue or just staying ahead on maintenance, a fresh poppet valve helps keep cooling performance dialed in.\u003c\/p\u003e\n\u003ch3 data-end=\"1242\" data-start=\"1221\"\u003eWhy it matters:\u003c\/h3\u003e\n\u003cul data-end=\"1560\" data-start=\"1243\"\u003e\n\u003cli data-end=\"1319\" data-start=\"1243\"\u003eDirect-fit design for select Mercury outboards — no modifications needed\u003c\/li\u003e\n\u003cli data-end=\"1398\" data-start=\"1320\"\u003ePrecision valve action ensures consistent water flow across all RPM ranges\u003c\/li\u003e\n\u003cli data-end=\"1473\" data-start=\"1399\"\u003eCorrosion-resistant materials handle salt, heat, and constant pressure\u003c\/li\u003e\n\u003cli data-end=\"1560\" data-start=\"1474\"\u003eHelps maintain stable engine temperature for performance and long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1577\" data-start=\"1562\"\u003eBest for:\u003c\/h3\u003e\n\u003col data-end=\"1815\" data-start=\"1578\"\u003e\n\u003cli data-end=\"1656\" data-start=\"1578\"\u003eReplacing a worn or stuck valve to restore proper cooling system function\u003c\/li\u003e\n\u003cli data-end=\"1728\" data-start=\"1657\"\u003ePreventing overheating and ensuring optimal cooling at high speeds\u003c\/li\u003e\n\u003cli data-end=\"1815\" data-start=\"1729\"\u003eRoutine maintenance on high-hour engines running in saltwater or mixed conditions\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"1955\" data-start=\"1817\"\u003eTemperature control is everything — and with this Mercury poppet valve assembly in place, your cooling system is ready to handle the heat.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626551599395,"sku":"8M0114707","price":63.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/IMG_7233.jpg?v=1744401615"},{"product_id":"mercury-8m0117413-outboard-thermostat-fits-40-60-hp-seapro-efi-four-stroke","title":"Mercury 8M0117413 Outboard Thermostat - Fits 40-60 HP SeaPro EFI Four Stroke","description":"\u003cp\u003e120 Degrees\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e40-60 HP SeaPro EFI Four Stroke (1C453840 and above)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626551992611,"sku":"8M0117413","price":13.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0117413.jpg?v=1698792644"},{"product_id":"mercury-thermostat-143-degrees-75692","title":"Mercury – Quicksilver Thermostat | Cooling System Part | 143°F V6 2-Stroke Outboards | 75692","description":"\u003cp data-start=\"0\" data-end=\"98\"\u003e\u003cstrong data-start=\"0\" data-end=\"96\"\u003eMercury – Quicksilver Thermostat | Cooling System Part | 143°F V6 2-Stroke Outboards | 75692\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"100\" data-end=\"103\"\u003e\n\u003ch3 data-start=\"105\" data-end=\"123\"\u003e\u003cstrong data-start=\"109\" data-end=\"121\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"124\" data-end=\"686\"\u003eA thermostat that works properly keeps your outboard in its sweet spot—warm enough to run efficiently but cool enough to last. The \u003cstrong data-start=\"255\" data-end=\"302\"\u003eMercury Marine 75692 Quicksilver Thermostat\u003c\/strong\u003e is built for \u003cstrong data-start=\"316\" data-end=\"374\"\u003eMercury and Mariner 135-200 HP V6 two-stroke outboards\u003c\/strong\u003e, both EFI and carbureted models. Calibrated to open at \u003cstrong data-start=\"430\" data-end=\"440\"\u003e143 °F\u003c\/strong\u003e, it keeps temperature steady and fuel use efficient. Its \u003cstrong data-start=\"498\" data-end=\"521\"\u003eself-cleaning valve\u003c\/strong\u003e sheds mineral deposits each time it cycles, keeping the cooling system clear. It’s a simple, factory-fit part that helps your engine stay healthy trip after trip.\u003c\/p\u003e\n\u003chr data-start=\"688\" data-end=\"691\"\u003e\n\u003ch3 data-start=\"693\" data-end=\"715\"\u003e\u003cstrong data-start=\"697\" data-end=\"713\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"718\" data-end=\"802\"\u003e\n\u003cstrong data-start=\"718\" data-end=\"730\"\u003ePurpose:\u003c\/strong\u003e Regulates coolant flow to hold the engine near its ideal temperature.\u003c\/li\u003e\n\u003cli data-start=\"805\" data-end=\"872\"\u003e\n\u003cstrong data-start=\"805\" data-end=\"816\"\u003eRating:\u003c\/strong\u003e Opens at \u003cstrong data-start=\"826\" data-end=\"836\"\u003e143 °F\u003c\/strong\u003e for balanced warm-up and cooling.\u003c\/li\u003e\n\u003cli data-start=\"875\" data-end=\"955\"\u003e\n\u003cstrong data-start=\"875\" data-end=\"886\"\u003eDesign:\u003c\/strong\u003e \u003cstrong data-start=\"887\" data-end=\"910\"\u003eSelf-cleaning valve\u003c\/strong\u003e clears out scale and debris automatically.\u003c\/li\u003e\n\u003cli data-start=\"958\" data-end=\"1040\"\u003e\n\u003cstrong data-start=\"958\" data-end=\"971\"\u003eMaterial:\u003c\/strong\u003e Built from \u003cstrong data-start=\"983\" data-end=\"1006\"\u003emarine-grade metals\u003c\/strong\u003e that resist rust and corrosion.\u003c\/li\u003e\n\u003cli data-start=\"1043\" data-end=\"1140\"\u003e\n\u003cstrong data-start=\"1043\" data-end=\"1059\"\u003ePerformance:\u003c\/strong\u003e Promotes faster warm-up, steady operation, and protection against overheating.\u003c\/li\u003e\n\u003cli data-start=\"1143\" data-end=\"1240\"\u003e\n\u003cstrong data-start=\"1143\" data-end=\"1163\"\u003eEase of Service:\u003c\/strong\u003e Direct OEM fit—installs easily with basic tools (gaskets sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1242\" data-end=\"1245\"\u003e\n\u003ch3 data-start=\"1247\" data-end=\"1284\"\u003e\u003cstrong data-start=\"1251\" data-end=\"1282\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1287\" data-end=\"1342\"\u003eMercury 135 HP V6 2-stroke EFI \u0026amp; carbureted outboards\u003c\/li\u003e\n\u003cli data-start=\"1345\" data-end=\"1400\"\u003eMercury 150 HP V6 2-stroke EFI \u0026amp; carbureted outboards\u003c\/li\u003e\n\u003cli data-start=\"1403\" data-end=\"1458\"\u003eMercury 175 HP V6 2-stroke EFI \u0026amp; carbureted outboards\u003c\/li\u003e\n\u003cli data-start=\"1461\" data-end=\"1516\"\u003eMercury 200 HP V6 2-stroke EFI \u0026amp; carbureted outboards\u003c\/li\u003e\n\u003cli data-start=\"1519\" data-end=\"1578\"\u003eMariner 135-200 HP V6 2-stroke EFI \u0026amp; carbureted outboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1580\" data-end=\"1583\"\u003e\n\u003ch3 data-start=\"1585\" data-end=\"1628\"\u003e\u003cstrong data-start=\"1589\" data-end=\"1626\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1629\" data-end=\"2013\"\u003eThe \u003cstrong data-start=\"1633\" data-end=\"1653\"\u003e75692 thermostat\u003c\/strong\u003e helps your motor reach and maintain the right temperature so it runs cleaner and more efficiently. Its self-cleaning action keeps minerals and debris from building up, which means steadier temperatures and fewer cooling-system clogs. Replacing an old or sticky thermostat brings back predictable engine temps and smooth running, especially in saltwater use.\u003c\/p\u003e\n\u003chr data-start=\"2015\" data-end=\"2018\"\u003e\n\u003ch3 data-start=\"2020\" data-end=\"2052\"\u003e\u003cstrong data-start=\"2024\" data-end=\"2050\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2053\" data-end=\"2399\"\u003eThe \u003cstrong data-start=\"2057\" data-end=\"2078\"\u003eQuicksilver 75692\u003c\/strong\u003e is a \u003cstrong data-start=\"2084\" data-end=\"2121\"\u003egenuine Mercury Marine thermostat\u003c\/strong\u003e, made to the same specs used on new engines. Aftermarket versions often open at the wrong temperature or corrode quickly. Mercury’s OEM design is factory-tested for marine heat cycles, vibration, and water exposure—so it lasts longer and performs the way your engine expects.\u003c\/p\u003e\n\u003chr data-start=\"2401\" data-end=\"2404\"\u003e\n\u003ch3 data-start=\"2406\" data-end=\"2419\"\u003e\u003cstrong data-start=\"2410\" data-end=\"2417\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2421\" data-end=\"2542\"\u003e\u003cstrong data-start=\"2421\" data-end=\"2454\"\u003eQ1: What engines does it fit?\u003c\/strong\u003e\u003cbr data-start=\"2454\" data-end=\"2457\"\u003eFits \u003cstrong data-start=\"2462\" data-end=\"2539\"\u003eMercury and Mariner 135-200 HP V6 two-stroke EFI and carbureted outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2544\" data-end=\"2626\"\u003e\u003cstrong data-start=\"2544\" data-end=\"2585\"\u003eQ2: What temperature does it open at?\u003c\/strong\u003e\u003cbr data-start=\"2585\" data-end=\"2588\"\u003eIt’s rated for \u003cstrong data-start=\"2603\" data-end=\"2613\"\u003e143 °F\u003c\/strong\u003e operation.\u003c\/p\u003e\n\u003cp data-start=\"2628\" data-end=\"2712\"\u003e\u003cstrong data-start=\"2628\" data-end=\"2658\"\u003eQ3: Does it include seals?\u003c\/strong\u003e\u003cbr data-start=\"2658\" data-end=\"2661\"\u003eNo—order seals or gaskets separately if required.\u003c\/p\u003e\n\u003cp data-start=\"2714\" data-end=\"2848\"\u003e\u003cstrong data-start=\"2714\" data-end=\"2761\"\u003eQ4: How does the self-cleaning design help?\u003c\/strong\u003e\u003cbr data-start=\"2761\" data-end=\"2764\"\u003eEach cycle flushes away small bits of scale and debris, extending thermostat life.\u003c\/p\u003e\n\u003cp data-start=\"2850\" data-end=\"2999\"\u003e\u003cstrong data-start=\"2850\" data-end=\"2889\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"2889\" data-end=\"2892\"\u003eOEM thermostats match factory calibration and materials, ensuring proper cooling and longer service life.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626553631011,"sku":"75692","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/75692_main.jpg?v=1760631177"},{"product_id":"mercury-10-15-20-efi-water-pump-repair-kit-8m0135821","title":"Mercury – Complete Water Pump Kit | 9.9–20hp EFI Series | Marine-Grade Components | 8M0135821","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Complete Water Pump Kit | 9.9–20hp EFI Series | Marine-Grade Components | 8M0135821\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a certain confidence that comes from knowing your outboard’s cooling system is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etruly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e up to the job. When you’re running through a narrow chan\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003enel on a rising tide or easing into a long stretch of open water, you want to trust that your engine is staying \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecool\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, steady, and protected.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The Mercury Marine part 8M0135821 Complete Water Pump Kit gives you that peace of mind. It’s the kind of reliability that lets you focus on the moment — the sound of the hull gliding, the breeze on your face — instead of whether your outboard is running too warm.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete water pump kit for Mercury 9.9–20hp EFI outboards.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Mercury 9.9hp EFI ProKicker 333cc (serial 1R008146–1R278792).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits 10–20hp 2-cylinder EFI and SeaPro outboards (serial 0R833820 and up).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes water pump case, two gaskets, oil seal, liner, impeller, guide plate, key, and seal.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-flexibility impeller elastomers designed for broad seasonal temperature ranges.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade construction for long-term durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 9.9hp EFI ProKicker (333cc).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 10–20hp EFI FourStroke.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury SeaPro 10–20hp models.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerfect for small skiffs, lightweight fishing boats, tenders, utility craft, jon boats, and inflatables.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA water pump is one of those parts you don’t think about until it isn’t doing its job. This kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e so you \u003c\/span\u003e\u003cem\u003e\u003cspan data-preserver-spaces=\"true\"\u003enever\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-preserver-spaces=\"true\"\u003e have to think about it. W\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eith every turn of the impeller, the engine gets the cooling flow it needs — steady, reliable, and predictable. You’ll notice smoother running at idle, less heat-related strain during heavy loads, and a general sense of confidence when you push the throttle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTh\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ee impeller is built with elastomers that stay flexible across seasonal swings, whether you’re running in cold spring water or the warm shallows of midsummer. The fitment feels tight, precise, and clean during installation, which makes a big difference when you’re servicing the pump yourself. Ev\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eerything in the kit has its place, and once installed, it creates a sealed, efficient cooling path that protects your engine from the inside out.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eLong days on the water demand a cooling system that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecan keep up\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with the engine’s rhythm. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis kit does exactly that — it stays steady, resists wear, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeeps\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e coolant flow \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003econsistent\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, even after hours of running.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003en it comes to cooling systems, guessing isn’t worth the risk. Mercury OEM parts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e around exact tolerances, materials, and flow rates \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edesigned specifically\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for their EFI outboards. Aftermarket kits might look similar, but they often lack the consistency and durability needed in real marine conditions. Wit\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eh a Mercury Marine part, you’re getting something you can install once and trust for seasons ahead. It’s a smarter investment, a safer choice, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what most experienced boaters recommend.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does the 8M0135821 kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury 9.9hp EFI ProKicker engines and 10–20hp EFI and SeaPro models with the matching serial ranges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: How is this different from aftermarket water pump kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM kits use the exact elastomer compounds, sealing surfaces, and dimensions Mercury engineered for proper cooling and long service life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your serial number. If your outboard matches the listed ranges, this is the correct replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is this suitable for both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, the materials are designed for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etough\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e marine environments and resist corrosion and wear in both conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’re comfortable servicing your lower unit, this installs cleanly. The included parts make the job straightforward.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626555302179,"sku":"46-8M0135821","price":112.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/98-8m0135821_1.jpg?v=1698811383"},{"product_id":"mercury-water-impeller-repair-kit-fits-40-45-50-hp-four-stroke-821354a2","title":"Mercury – Quicksilver 821354A2 Water Pump Repair Kit | Mercury \u0026 Mariner 25–50HP 2-Stroke \u0026 4-Stroke Outboards | 821354A2","description":"\u003cp data-start=\"0\" data-end=\"127\"\u003e\u003cstrong data-start=\"0\" data-end=\"125\"\u003eMercury – Quicksilver 821354A2 Water Pump Repair Kit | Mercury \u0026amp; Mariner 25–50HP 2-Stroke \u0026amp; 4-Stroke Outboards | 821354A2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"129\" data-end=\"132\"\u003e\n\u003ch3 data-start=\"134\" data-end=\"152\"\u003e\u003cstrong data-start=\"138\" data-end=\"150\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"153\" data-end=\"426\"\u003eKeeping your outboard’s cooling system in top shape is one of the easiest ways to protect your engine. The \u003cstrong data-start=\"260\" data-end=\"306\"\u003eQuicksilver 821354A2 Water Pump Repair Kit\u003c\/strong\u003e gives you everything you need to rebuild the pump on \u003cstrong data-start=\"360\" data-end=\"423\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"428\" data-end=\"752\"\u003eThis OEM kit includes all the essentials — the \u003cstrong data-start=\"475\" data-end=\"539\"\u003eimpeller, drive key, faceplate, gaskets, and water tube seal\u003c\/strong\u003e — designed to Mercury’s factory specs for perfect fit and reliable flow. Whether you’re doing routine maintenance or bringing an older engine back to life, this kit keeps your motor running cool and dependable.\u003c\/p\u003e\n\u003chr data-start=\"754\" data-end=\"757\"\u003e\n\u003ch3 data-start=\"759\" data-end=\"781\"\u003e\u003cstrong data-start=\"763\" data-end=\"779\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"784\" data-end=\"877\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"796\"\u003ePurpose:\u003c\/strong\u003e Restores proper water flow to maintain engine cooling and prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"880\" data-end=\"963\"\u003e\n\u003cstrong data-start=\"880\" data-end=\"892\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"897\" data-end=\"960\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"966\" data-end=\"1060\"\u003e\n\u003cstrong data-start=\"966\" data-end=\"983\"\u003eKit Contents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"993\" data-end=\"1057\"\u003eimpeller, drive key, faceplate, gaskets, and water tube seal\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1063\" data-end=\"1160\"\u003e\n\u003cstrong data-start=\"1063\" data-end=\"1078\"\u003eDurability:\u003c\/strong\u003e Built with \u003cstrong data-start=\"1090\" data-end=\"1116\"\u003emarine-grade materials\u003c\/strong\u003e tested to Mercury Marine’s OEM standards.\u003c\/li\u003e\n\u003cli data-start=\"1163\" data-end=\"1268\"\u003e\n\u003cstrong data-start=\"1163\" data-end=\"1183\"\u003eEase of Install:\u003c\/strong\u003e Direct-fit components designed for simple installation with \u003cstrong data-start=\"1244\" data-end=\"1265\"\u003ecommon hand tools\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1270\" data-end=\"1273\"\u003e\n\u003ch3 data-start=\"1275\" data-end=\"1312\"\u003e\u003cstrong data-start=\"1279\" data-end=\"1310\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1315\" data-end=\"1376\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1446\"\u003eCommon on small fishing boats, pontoons, and light-duty runabouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1448\" data-end=\"1451\"\u003e\n\u003ch3 data-start=\"1453\" data-end=\"1495\"\u003e\u003cstrong data-start=\"1457\" data-end=\"1493\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1496\" data-end=\"1767\"\u003eThe \u003cstrong data-start=\"1500\" data-end=\"1527\"\u003e821354A2 Water Pump Kit\u003c\/strong\u003e brings your cooling system back to full strength by replacing the components most affected by wear. A new impeller and tight seals help maintain water pressure, keeping your outboard at the right temperature for efficiency and longevity.\u003c\/p\u003e\n\u003cp data-start=\"1769\" data-end=\"2030\"\u003eThe included faceplate and gaskets ensure a leak-free assembly that resists corrosion and heat. Regular pump maintenance with this OEM kit prevents overheating and extends the life of your entire engine — a small job that pays off in reliability every season.\u003c\/p\u003e\n\u003chr data-start=\"2032\" data-end=\"2035\"\u003e\n\u003ch3 data-start=\"2037\" data-end=\"2058\"\u003e\u003cstrong data-start=\"2041\" data-end=\"2056\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2059\" data-end=\"2274\"\u003eMercury’s OEM repair kits are engineered with precision — made for the exact tolerances and materials your engine requires. Aftermarket parts may not fit as tightly or last as long under marine heat and vibration.\u003c\/p\u003e\n\u003cp data-start=\"2276\" data-end=\"2418\"\u003eA \u003cstrong data-start=\"2278\" data-end=\"2316\"\u003egenuine Quicksilver water pump kit\u003c\/strong\u003e guarantees factory-level performance and durability, so you can focus on the water, not your motor.\u003c\/p\u003e\n\u003chr data-start=\"2420\" data-end=\"2423\"\u003e\n\u003ch3 data-start=\"2425\" data-end=\"2438\"\u003e\u003cstrong data-start=\"2429\" data-end=\"2436\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2439\" data-end=\"2573\"\u003e\u003cstrong data-start=\"2439\" data-end=\"2493\"\u003eQ1: What engines fit the Quicksilver 821354A2 kit?\u003c\/strong\u003e\u003cbr data-start=\"2493\" data-end=\"2496\"\u003eA: It fits \u003cstrong data-start=\"2507\" data-end=\"2570\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2575\" data-end=\"2700\"\u003e\u003cstrong data-start=\"2575\" data-end=\"2610\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2610\" data-end=\"2613\"\u003eA: The kit contains \u003cstrong data-start=\"2633\" data-end=\"2697\"\u003eimpeller, drive key, faceplate, gaskets, and water tube seal\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2702\" data-end=\"2855\"\u003e\u003cstrong data-start=\"2702\" data-end=\"2752\"\u003eQ3: How often should I replace the water pump?\u003c\/strong\u003e\u003cbr data-start=\"2752\" data-end=\"2755\"\u003eA: Mercury recommends inspecting the impeller annually and replacing the full kit every 2–3 years.\u003c\/p\u003e\n\u003cp data-start=\"2857\" data-end=\"2985\"\u003e\u003cstrong data-start=\"2857\" data-end=\"2889\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"2889\" data-end=\"2892\"\u003eA: Yes. With basic tools and a service manual, most owners can install it in under an hour.\u003c\/p\u003e\n\u003cp data-start=\"2987\" data-end=\"3146\"\u003e\u003cstrong data-start=\"2987\" data-end=\"3033\"\u003eQ5: Why choose OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3033\" data-end=\"3036\"\u003eA: OEM kits fit perfectly, last longer, and use materials tested to handle marine temperatures and pressure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626559201571,"sku":"821354A2","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/821354a2_main.jpg?v=1760631238"},{"product_id":"mercury-outboard-water-pump-impeller-fits-9-9-hp-four-stroke-my-2005-47-803748","title":"Mercury - Outboard Water Pump Impeller - Fits 9.9 HP Four Stroke MY 2005 - 47-803748","description":"\u003cp\u003eW IMPELLER- F8\/9.9 BIGFOOT  MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626559529251,"sku":"47-803748","price":28.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/47-803748.jpg?v=1698811348"},{"product_id":"mercury-quicksilver-water-pump-impeller-fits-40-45-50-60-fourstroke-bigfoot-60-bigfoot-75-125-75-90-115-fourstroke-150-efi-fourstroke-v6-v8-fourstroke-v-200-dfi-135-300-verado-v-225-250-mercruiser-alpha-one-gen-ii-drives-47-43026q02","title":"Mercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Elastomer | 43026Q02","description":"\u003cp data-start=\"0\" data-end=\"110\"\u003e\u003cstrong data-start=\"0\" data-end=\"108\"\u003eMercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Elastomer | 43026Q02\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"112\" data-end=\"115\"\u003e\n\u003ch3 data-start=\"117\" data-end=\"135\"\u003e\u003cstrong data-start=\"121\" data-end=\"133\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"136\" data-end=\"738\"\u003eA strong, steady water flow keeps your outboard running cool and powerful. The \u003cstrong data-start=\"215\" data-end=\"274\"\u003eMercury Marine 43026Q02 Quicksilver Water Pump Impeller\u003c\/strong\u003e is built for \u003cstrong data-start=\"288\" data-end=\"326\"\u003eMercury 200–300HP Verado outboards\u003c\/strong\u003e and \u003cstrong data-start=\"331\" data-end=\"372\"\u003e250–450HP Racing FourStroke outboards\u003c\/strong\u003e, delivering the flow and pressure those high-performance engines demand. Made from flexible, heat-resistant elastomer, it holds its shape at high speeds and extreme temperatures. With its reinforced center insert and precision engineering, this OEM impeller helps your cooling system work exactly the way Mercury designed it — smooth, reliable, and built to last.\u003c\/p\u003e\n\u003chr data-start=\"740\" data-end=\"743\"\u003e\n\u003ch3 data-start=\"745\" data-end=\"767\"\u003e\u003cstrong data-start=\"749\" data-end=\"765\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"770\" data-end=\"869\"\u003e\n\u003cstrong data-start=\"770\" data-end=\"782\"\u003ePurpose:\u003c\/strong\u003e Circulates cooling water through your outboard or sterndrive to prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"872\" data-end=\"979\"\u003e\n\u003cstrong data-start=\"872\" data-end=\"885\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"896\" data-end=\"927\"\u003ehigh-grade marine elastomer\u003c\/strong\u003e for strength, flexibility, and long service life.\u003c\/li\u003e\n\u003cli data-start=\"982\" data-end=\"1074\"\u003e\n\u003cstrong data-start=\"982\" data-end=\"998\"\u003ePerformance:\u003c\/strong\u003e Maintains high flow rates and consistent pressure, even under heavy load.\u003c\/li\u003e\n\u003cli data-start=\"1077\" data-end=\"1177\"\u003e\n\u003cstrong data-start=\"1077\" data-end=\"1088\"\u003eDesign:\u003c\/strong\u003e Features a \u003cstrong data-start=\"1100\" data-end=\"1128\"\u003ereinforced center insert\u003c\/strong\u003e to resist tearing and maintain secure contact.\u003c\/li\u003e\n\u003cli data-start=\"1180\" data-end=\"1272\"\u003e\n\u003cstrong data-start=\"1180\" data-end=\"1195\"\u003eDurability:\u003c\/strong\u003e Handles extreme heat, vibration, and speed without deformation or failure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1388\" data-end=\"1391\"\u003e\n\u003ch3 data-start=\"1393\" data-end=\"1430\"\u003e\u003cstrong data-start=\"1397\" data-end=\"1428\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1433\" data-end=\"1498\"\u003e\n\u003cstrong data-start=\"1446\" data-end=\"1495\"\u003eMercury Verado 200–300HP FourStroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1501\" data-end=\"1555\"\u003e\n\u003cstrong data-start=\"1506\" data-end=\"1545\"\u003eMercury Racing 250–450HP FourStroke\u003c\/strong\u003e models.\u003c\/li\u003e\n\u003cli data-start=\"1558\" data-end=\"1656\"\u003eCommonly found on \u003cstrong data-start=\"1576\" data-end=\"1653\"\u003ehigh-performance offshore boats, racing hulls, and luxury center consoles\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1659\" data-end=\"1715\"\u003eWorks in both \u003cstrong data-start=\"1673\" data-end=\"1701\"\u003esaltwater and freshwater\u003c\/strong\u003e conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1717\" data-end=\"1720\"\u003e\n\u003ch3 data-start=\"1722\" data-end=\"1765\"\u003e\u003cstrong data-start=\"1726\" data-end=\"1763\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1766\" data-end=\"2055\"\u003eThe \u003cstrong data-start=\"1770\" data-end=\"1791\"\u003e43026Q02 impeller\u003c\/strong\u003e ensures your cooling system gets steady, uninterrupted water flow — essential for powerful, high-output engines. Its flexible blades maintain proper seal and pressure inside the pump housing, helping prevent overheating during long runs or high-speed operation.\u003c\/p\u003e\n\u003cp data-start=\"2057\" data-end=\"2343\"\u003eThe reinforced hub resists tearing and fatigue, while the marine-grade elastomer stays pliable through temperature swings. With this impeller installed, you’ll get consistent cooling, longer component life, and the peace of mind that your engine is protected when you push it hardest.\u003c\/p\u003e\n\u003chr data-start=\"2345\" data-end=\"2348\"\u003e\n\u003ch3 data-start=\"2350\" data-end=\"2382\"\u003e\u003cstrong data-start=\"2354\" data-end=\"2380\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2383\" data-end=\"2655\"\u003eThe \u003cstrong data-start=\"2387\" data-end=\"2411\"\u003eQuicksilver 43026Q02\u003c\/strong\u003e is a \u003cstrong data-start=\"2417\" data-end=\"2448\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, built to the exact specs your Verado or Racing outboard requires. Aftermarket impellers can vary slightly in dimensions or material flexibility, which can reduce flow efficiency and shorten service life.\u003c\/p\u003e\n\u003cp data-start=\"2657\" data-end=\"2913\"\u003eMercury OEM impellers are tested under the same high-performance conditions as the engines they serve. With factory-grade materials, precision molding, and proven durability, they deliver cooling performance you can count on — no matter how hard you run.\u003c\/p\u003e\n\u003chr data-start=\"2915\" data-end=\"2918\"\u003e\n\u003ch3 data-start=\"2920\" data-end=\"2933\"\u003e\u003cstrong data-start=\"2924\" data-end=\"2931\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2935\" data-end=\"3076\"\u003e\u003cstrong data-start=\"2935\" data-end=\"2980\"\u003eQ1: Which engines does this impeller fit?\u003c\/strong\u003e\u003cbr data-start=\"2980\" data-end=\"2983\"\u003eIt fits \u003cstrong data-start=\"2991\" data-end=\"3019\"\u003eMercury Verado 200–300HP\u003c\/strong\u003e and \u003cstrong data-start=\"3024\" data-end=\"3063\"\u003eMercury Racing 250–450HP FourStroke\u003c\/strong\u003e outboards.\u003c\/p\u003e\n\u003cp data-start=\"3078\" data-end=\"3227\"\u003e\u003cstrong data-start=\"3078\" data-end=\"3106\"\u003eQ2: What’s it made from?\u003c\/strong\u003e\u003cbr data-start=\"3106\" data-end=\"3109\"\u003eIt’s molded from \u003cstrong data-start=\"3126\" data-end=\"3163\"\u003ehigh-flexibility marine elastomer\u003c\/strong\u003e that withstands heat, pressure, and long-term water exposure.\u003c\/p\u003e\n\u003cp data-start=\"3229\" data-end=\"3395\"\u003e\u003cstrong data-start=\"3229\" data-end=\"3262\"\u003eQ3: Why replace the impeller?\u003c\/strong\u003e\u003cbr data-start=\"3262\" data-end=\"3265\"\u003eA worn or damaged impeller can reduce water flow and cause overheating. Regular replacement keeps your cooling system efficient.\u003c\/p\u003e\n\u003cp data-start=\"3397\" data-end=\"3522\"\u003e\u003cstrong data-start=\"3397\" data-end=\"3440\"\u003eQ4: Can it handle saltwater conditions?\u003c\/strong\u003e\u003cbr data-start=\"3440\" data-end=\"3443\"\u003eYes — it’s built for use in \u003cstrong data-start=\"3471\" data-end=\"3519\"\u003efreshwater, saltwater, or mixed environments\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3524\" data-end=\"3684\"\u003e\u003cstrong data-start=\"3524\" data-end=\"3563\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3563\" data-end=\"3566\"\u003eMercury OEM impellers guarantee proper fit, tested flow rates, and reliable performance for high-horsepower engines.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626560020771,"sku":"47-43026Q02","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43026q02_main.jpg?v=1760631156"},{"product_id":"mercury-mercruiser-bravo-drive-sea-water-pump-impeller-47-59362t1","title":"Mercury – Quicksilver Water Pump Impeller | Cooling System Component | Engine-Mounted Plastic Pump | 59362T1","description":"\u003cp data-start=\"0\" data-end=\"114\"\u003e\u003cstrong data-start=\"0\" data-end=\"112\"\u003eMercury – Quicksilver Water Pump Impeller | Cooling System Component | Engine-Mounted Plastic Pump | 59362T1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"116\" data-end=\"119\"\u003e\n\u003ch3 data-start=\"121\" data-end=\"139\"\u003e\u003cstrong data-start=\"125\" data-end=\"137\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"140\" data-end=\"709\"\u003eWhen it comes to keeping your MerCruiser engine cool, a reliable impeller makes all the difference. The \u003cstrong data-start=\"244\" data-end=\"302\"\u003eMercury Marine 59362T1 Quicksilver Water Pump Impeller\u003c\/strong\u003e is built for \u003cstrong data-start=\"316\" data-end=\"402\"\u003eMerCruiser engines with engine-mounted sea water pumps featuring a plastic housing\u003c\/strong\u003e. Made from flexible, marine-grade elastomer, this impeller delivers consistent water flow through the cooling system — even under the toughest conditions. Its bonded hub design prevents the vanes from separating, ensuring long-term reliability and strong, steady performance every time you hit the water.\u003c\/p\u003e\n\u003chr data-start=\"711\" data-end=\"714\"\u003e\n\u003ch3 data-start=\"716\" data-end=\"738\"\u003e\u003cstrong data-start=\"720\" data-end=\"736\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"741\" data-end=\"823\"\u003e\n\u003cstrong data-start=\"741\" data-end=\"753\"\u003ePurpose:\u003c\/strong\u003e Circulates cooling water through the engine to prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"826\" data-end=\"928\"\u003e\n\u003cstrong data-start=\"826\" data-end=\"839\"\u003eMaterial:\u003c\/strong\u003e Constructed from \u003cstrong data-start=\"857\" data-end=\"883\"\u003emarine-grade elastomer\u003c\/strong\u003e for flexibility and long-lasting strength.\u003c\/li\u003e\n\u003cli data-start=\"931\" data-end=\"1029\"\u003e\n\u003cstrong data-start=\"931\" data-end=\"942\"\u003eDesign:\u003c\/strong\u003e Features a \u003cstrong data-start=\"954\" data-end=\"978\"\u003ebonded center insert\u003c\/strong\u003e that keeps the vanes secure and resists tearing.\u003c\/li\u003e\n\u003cli data-start=\"1032\" data-end=\"1118\"\u003e\n\u003cstrong data-start=\"1032\" data-end=\"1048\"\u003ePerformance:\u003c\/strong\u003e Maintains consistent water flow across all speeds and temperatures.\u003c\/li\u003e\n\u003cli data-start=\"1121\" data-end=\"1217\"\u003e\n\u003cstrong data-start=\"1121\" data-end=\"1136\"\u003eDurability:\u003c\/strong\u003e Handles heat, vibration, and saltwater exposure without cracking or deforming.\u003c\/li\u003e\n\u003cli data-start=\"1220\" data-end=\"1309\"\u003e\n\u003cstrong data-start=\"1220\" data-end=\"1236\"\u003eEase of Use:\u003c\/strong\u003e Direct-fit replacement for engine-mounted pumps with plastic housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1311\" data-end=\"1314\"\u003e\n\u003ch3 data-start=\"1316\" data-end=\"1353\"\u003e\u003cstrong data-start=\"1320\" data-end=\"1351\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1356\" data-end=\"1447\"\u003eMerCruiser engines with \u003cstrong data-start=\"1380\" data-end=\"1414\"\u003eengine-mounted sea water pumps\u003c\/strong\u003e featuring \u003cstrong data-start=\"1425\" data-end=\"1445\"\u003eplastic housings\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1449\" data-end=\"1452\"\u003e\n\u003ch3 data-start=\"1454\" data-end=\"1497\"\u003e\u003cstrong data-start=\"1458\" data-end=\"1495\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1498\" data-end=\"1752\"\u003eThe \u003cstrong data-start=\"1502\" data-end=\"1522\"\u003e59362T1 impeller\u003c\/strong\u003e ensures your MerCruiser’s cooling system delivers the steady water flow your engine depends on. Each vane flexes smoothly with every rotation, keeping pressure consistent and preventing air pockets that can lead to overheating.\u003c\/p\u003e\n\u003cp data-start=\"1754\" data-end=\"1985\"\u003eIts bonded insert design locks the vanes firmly in place, so it won’t lose water flow under load. Built for performance and durability, it helps extend engine life by maintaining ideal operating temperatures through every season.\u003c\/p\u003e\n\u003chr data-start=\"1987\" data-end=\"1990\"\u003e\n\u003ch3 data-start=\"1992\" data-end=\"2024\"\u003e\u003cstrong data-start=\"1996\" data-end=\"2022\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2025\" data-end=\"2284\"\u003eThe \u003cstrong data-start=\"2029\" data-end=\"2052\"\u003eQuicksilver 59362T1\u003c\/strong\u003e is a \u003cstrong data-start=\"2058\" data-end=\"2093\"\u003egenuine Mercury Marine impeller\u003c\/strong\u003e, engineered specifically for your MerCruiser cooling system. Aftermarket versions can look similar but often use harder rubber or poor bonding, which can cause early wear and reduced flow.\u003c\/p\u003e\n\u003cp data-start=\"2286\" data-end=\"2512\"\u003eMercury’s OEM impellers are precision-molded and tested for flexibility, balance, and endurance in real marine conditions. Choosing OEM gives you a part that fits perfectly, performs flawlessly, and protects your investment.\u003c\/p\u003e\n\u003chr data-start=\"2514\" data-end=\"2517\"\u003e\n\u003ch3 data-start=\"2519\" data-end=\"2532\"\u003e\u003cstrong data-start=\"2523\" data-end=\"2530\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2534\" data-end=\"2677\"\u003e\u003cstrong data-start=\"2534\" data-end=\"2578\"\u003eQ1: What engines does this impeller fit?\u003c\/strong\u003e\u003cbr data-start=\"2578\" data-end=\"2581\"\u003eIt fits \u003cstrong data-start=\"2589\" data-end=\"2674\"\u003eMerCruiser engines with engine-mounted sea water pumps that use a plastic housing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2679\" data-end=\"2812\"\u003e\u003cstrong data-start=\"2679\" data-end=\"2717\"\u003eQ2: What’s the impeller made from?\u003c\/strong\u003e\u003cbr data-start=\"2717\" data-end=\"2720\"\u003eA \u003cstrong data-start=\"2722\" data-end=\"2757\"\u003emarine-grade flexible elastomer\u003c\/strong\u003e designed to stay pliable through temperature swings.\u003c\/p\u003e\n\u003cp data-start=\"2814\" data-end=\"2955\"\u003e\u003cstrong data-start=\"2814\" data-end=\"2854\"\u003eQ3: How often should it be replaced?\u003c\/strong\u003e\u003cbr data-start=\"2854\" data-end=\"2857\"\u003eInspect annually and replace \u003cstrong data-start=\"2886\" data-end=\"2920\"\u003eevery two seasons or 200 hours\u003c\/strong\u003e, or sooner if performance drops.\u003c\/p\u003e\n\u003cp data-start=\"2957\" data-end=\"3114\"\u003e\u003cstrong data-start=\"2957\" data-end=\"3004\"\u003eQ4: What makes this impeller design better?\u003c\/strong\u003e\u003cbr data-start=\"3004\" data-end=\"3007\"\u003eThe \u003cstrong data-start=\"3011\" data-end=\"3032\"\u003ebonded center hub\u003c\/strong\u003e prevents the vanes from separating, keeping water flow consistent and reliable.\u003c\/p\u003e\n\u003cp data-start=\"3116\" data-end=\"3288\"\u003e\u003cstrong data-start=\"3116\" data-end=\"3155\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3155\" data-end=\"3158\"\u003eMercury OEM parts fit exactly, use higher-quality materials, and deliver dependable performance tested in real-world conditions.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626561593635,"sku":"47-59362T1","price":39.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/59362t1_main.jpg?v=1760631153"},{"product_id":"mercury-47-803748k01-outboard-water-impeller-repair-kit-fits-8-9-9-hp-four-stroke","title":"Mercury – Water Pump Impeller Repair Kit | For 8 \u0026 9.9HP FourStroke Outboards | 803748K01","description":"\u003cp data-start=\"0\" data-end=\"95\"\u003e\u003cstrong data-start=\"0\" data-end=\"93\"\u003eMercury – Water Pump Impeller Repair Kit | For 8 \u0026amp; 9.9HP FourStroke Outboards | 803748K01\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"97\" data-end=\"100\"\u003e\n\u003ch3 data-start=\"102\" data-end=\"120\"\u003e\u003cstrong data-start=\"106\" data-end=\"118\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"121\" data-end=\"609\"\u003eA dependable cooling system keeps your outboard running strong, and the \u003cstrong data-start=\"193\" data-end=\"252\"\u003eMercury Marine 803748K01 Water Pump Impeller Repair Kit\u003c\/strong\u003e makes sure it stays that way. Designed for \u003cstrong data-start=\"296\" data-end=\"389\"\u003eMercury 8HP and 9.9HP EFI and carbureted FourStroke outboards (model year 2005 and newer)\u003c\/strong\u003e, this kit includes all the key parts needed to restore proper water flow and cooling performance. It’s a straightforward, OEM-quality repair that ensures your motor runs cool, smooth, and reliable season after season.\u003c\/p\u003e\n\u003chr data-start=\"611\" data-end=\"614\"\u003e\n\u003ch3 data-start=\"616\" data-end=\"638\"\u003e\u003cstrong data-start=\"620\" data-end=\"636\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"641\" data-end=\"725\"\u003e\n\u003cstrong data-start=\"641\" data-end=\"653\"\u003ePurpose:\u003c\/strong\u003e Restores cooling performance by replacing worn water pump components.\u003c\/li\u003e\n\u003cli data-start=\"728\" data-end=\"860\"\u003e\n\u003cstrong data-start=\"728\" data-end=\"746\"\u003eCompatibility:\u003c\/strong\u003e For \u003cstrong data-start=\"751\" data-end=\"816\"\u003eMercury 8HP and 9.9HP FourStroke EFI and carbureted outboards\u003c\/strong\u003e with standard gearcases (2005 and newer).\u003c\/li\u003e\n\u003cli data-start=\"863\" data-end=\"976\"\u003e\n\u003cstrong data-start=\"863\" data-end=\"880\"\u003eComplete Kit:\u003c\/strong\u003e \u003cstrong data-start=\"881\" data-end=\"896\"\u003e6-piece set\u003c\/strong\u003e includes impeller, gaskets, roller pin, grommet, plate, and water guide tube.\u003c\/li\u003e\n\u003cli data-start=\"979\" data-end=\"1062\"\u003e\n\u003cstrong data-start=\"979\" data-end=\"995\"\u003ePerformance:\u003c\/strong\u003e Maintains proper water pressure and flow to prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"1065\" data-end=\"1142\"\u003e\n\u003cstrong data-start=\"1065\" data-end=\"1081\"\u003eEase of Use:\u003c\/strong\u003e Direct OEM fit for quick installation with standard tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1144\" data-end=\"1147\"\u003e\n\u003ch3 data-start=\"1149\" data-end=\"1186\"\u003e\u003cstrong data-start=\"1153\" data-end=\"1184\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1189\" data-end=\"1256\"\u003eMercury \u003cstrong data-start=\"1197\" data-end=\"1254\"\u003e8HP and 9.9HP FourStroke EFI and carbureted outboards\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1259\" data-end=\"1309\"\u003e\n\u003cstrong data-start=\"1259\" data-end=\"1288\"\u003eModel year 2005 and newer\u003c\/strong\u003e, standard gearcase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1311\" data-end=\"1314\"\u003e\n\u003ch3 data-start=\"1316\" data-end=\"1359\"\u003e\u003cstrong data-start=\"1320\" data-end=\"1357\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1360\" data-end=\"1697\"\u003eThe \u003cstrong data-start=\"1364\" data-end=\"1397\"\u003e803748K01 impeller repair kit\u003c\/strong\u003e keeps your cooling system working the way it should by ensuring steady water flow through your engine. Over time, impellers and gaskets wear down, which can lead to overheating or reduced performance. Replacing them with genuine Mercury parts restores your outboard’s efficiency and peace of mind.\u003c\/p\u003e\n\u003cp data-start=\"1699\" data-end=\"1919\"\u003eThis OEM kit has everything you need to service your pump in one box — no hunting for extra parts. It’s designed to fit perfectly and perform flawlessly, giving you the same reliability your engine had when it was new.\u003c\/p\u003e\n\u003chr data-start=\"1921\" data-end=\"1924\"\u003e\n\u003ch3 data-start=\"1926\" data-end=\"1958\"\u003e\u003cstrong data-start=\"1930\" data-end=\"1956\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1959\" data-end=\"2195\"\u003eThe \u003cstrong data-start=\"1963\" data-end=\"1984\"\u003eMercury 803748K01\u003c\/strong\u003e is a \u003cstrong data-start=\"1990\" data-end=\"2020\"\u003egenuine Mercury Marine kit\u003c\/strong\u003e, built to the same standards as the parts that came on your engine. Aftermarket kits can use lower-grade materials that don’t hold up to marine conditions or fit precisely.\u003c\/p\u003e\n\u003cp data-start=\"2197\" data-end=\"2431\"\u003eMercury’s OEM components are tested for long-term durability and water resistance, ensuring they’ll keep your outboard running cool under heavy use. It’s the same quality trusted by Mercury technicians and service centers worldwide.\u003c\/p\u003e\n\u003chr data-start=\"2433\" data-end=\"2436\"\u003e\n\u003ch3 data-start=\"2438\" data-end=\"2451\"\u003e\u003cstrong data-start=\"2442\" data-end=\"2449\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2453\" data-end=\"2599\"\u003e\u003cstrong data-start=\"2453\" data-end=\"2492\"\u003eQ1: What engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2492\" data-end=\"2495\"\u003eIt’s for \u003cstrong data-start=\"2504\" data-end=\"2569\"\u003eMercury 8HP and 9.9HP FourStroke EFI and carbureted outboards\u003c\/strong\u003e, model year 2005 and newer.\u003c\/p\u003e\n\u003cp data-start=\"2601\" data-end=\"2732\"\u003e\u003cstrong data-start=\"2601\" data-end=\"2636\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2636\" data-end=\"2639\"\u003eA \u003cstrong data-start=\"2641\" data-end=\"2656\"\u003e6-piece set\u003c\/strong\u003e with impeller, gaskets, roller pin, grommet, plate, and water guide tube.\u003c\/p\u003e\n\u003cp data-start=\"2734\" data-end=\"2858\"\u003e\u003cstrong data-start=\"2734\" data-end=\"2767\"\u003eQ3: Why replace the impeller?\u003c\/strong\u003e\u003cbr data-start=\"2767\" data-end=\"2770\"\u003eWorn impellers can reduce water flow, causing overheating and potential engine damage.\u003c\/p\u003e\n\u003cp data-start=\"2860\" data-end=\"2970\"\u003e\u003cstrong data-start=\"2860\" data-end=\"2898\"\u003eQ4: Is this a complete repair kit?\u003c\/strong\u003e\u003cbr data-start=\"2898\" data-end=\"2901\"\u003eYes — it includes all key components for a full water pump service.\u003c\/p\u003e\n\u003cp data-start=\"2972\" data-end=\"3133\"\u003e\u003cstrong data-start=\"2972\" data-end=\"3011\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3011\" data-end=\"3014\"\u003eOEM parts ensure \u003cstrong data-start=\"3031\" data-end=\"3080\"\u003eexact fit, proper flow, and proven durability\u003c\/strong\u003e, while aftermarket versions often wear out faster.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626564772131,"sku":"47-803748K01","price":80.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/mercury_47-803748k01.jpg?v=1761319053"},{"product_id":"mercury-complete-outboard-water-pump-kit-fits-40-125-hp-46-8m0113799","title":"Mercury – Water Pump Repair Kit | Cooling System Series | OEM Components | 8M0113799","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Repair Kit | Cooling System Series | OEM Components | 8M0113799\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every boater knows that a good day on the water starts with a cool, steady-running engine. When your outboard’s water pump is healthy, the whole boat feels different — the idle is calmer, the throttle responds cleaner, and you’re not glancing at the temperature gauge every few minutes. The Mercury 8M0113799 Water Pump Repair Kit brings that feeling back. It’s the kind of kit you keep on hand because you know how important reliable cooling is, especially when you’re miles from the dock and counting on your engine to get you home.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete repair kit for restoring proper water pump function\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes impeller, upper and lower housing, drive key, face plate, gaskets, water tube, and seals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for Mercury 30-125hp 2-stroke and 4-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Force 75-120hp 2-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM-grade components for long-lasting cooling performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 30–125 horsepower 2-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 30–125 horsepower 4-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eForce 75–120 horsepower 2-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on aluminum fishing boats, pontoons, bay boats, small runabouts, and utility skiffs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for engines used in shallow water, high-heat environments, or heavy seasonal use\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A dependab\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ele water pump is the backbone of your engine’s cooling system, and rebuilding it with a complete kit like this one makes a noticeable difference. Once installed, you’ll feel the engine settle into a smoother, more confident rhythm — no surging temperatures, no warning buzzers, just steady cooling flow even at low speeds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe impelle\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003er is flexible yet firm, designed to keep pumping efficiently even after hours of idling through no-wake zones or pushing hard across choppy water. The housings and gaskets fit tightly, restoring the kind of secure seal that prevents leaks and pressure drops. Everything feels solid during installation: parts align cleanly, bolts seat without fuss, and the kit gives you everything you need so you’re not hunting down extra pieces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhether you fish long hours or cruise the lake with the family, this kit helps your outboard stay cool, protected, and ready for long days on the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Cooling system parts aren’t something you gamble with. Mercury Marine parts are engineered to match your outboard’s water passages, housing tolerances, and operating temperatures exactly. Aftermarket pieces may fit “close enough,” but they often use softer materials, lower-grade seals, or imprecise molding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith Mercury Marine part number 8M0113799, you get the correct components, the correct materials, and the correct dimensions — the first time. It’s cost-effective in the long run because it prevents overheating damage, extends impeller life, and keeps your engine running at the temperature it was designed for.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the Mercury 8M0113799 Water Pump Repair Kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury 30–125hp 2-stroke and 4-stroke outboards, plus Force 75–120hp 2-stroke engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this kit better than aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM kits use higher-grade materials, precise housing dimensions, and tested components that match Mercury cooling system specs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this is the correct kit for my motor?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine’s horsepower and model family with the part number, or refer to your owner’s or service manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both freshwater and saltwater engines?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the components are built to handle both environments reliably.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boat owners with basic tools can complete the job, especially if they’ve serviced a water pump before\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626565067043,"sku":"46-8M0113799","price":186.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0113799_main.jpg?v=1760631374"},{"product_id":"mercury-quicksilver-outboard-water-pump-impeller-fits-6-15-hp-2-cycle-8-9-9-hp-four-stroke-47-42038q02","title":"Mercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Elastomer | 42038Q02","description":"\u003cp data-start=\"0\" data-end=\"110\"\u003e\u003cstrong data-start=\"0\" data-end=\"108\"\u003eMercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Elastomer | 42038Q02\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"112\" data-end=\"115\"\u003e\n\u003ch3 data-start=\"117\" data-end=\"135\"\u003e\u003cstrong data-start=\"121\" data-end=\"133\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"136\" data-end=\"700\"\u003eA dependable impeller is the heart of your outboard’s cooling system. The \u003cstrong data-start=\"210\" data-end=\"269\"\u003eMercury Marine 42038Q02 Quicksilver Water Pump Impeller\u003c\/strong\u003e delivers the water flow your engine depends on to stay cool and run efficiently. Designed for \u003cstrong data-start=\"364\" data-end=\"414\"\u003eMercury and Mariner 6–15HP TwoStroke outboards\u003c\/strong\u003e and select \u003cstrong data-start=\"426\" data-end=\"454\"\u003e8–15HP FourStroke models\u003c\/strong\u003e, this OEM impeller uses flexible, marine-grade rubber that holds its shape under pressure and temperature swings. It’s built to move water smoothly through the pump, keeping your motor protected and performing at its best through every season.\u003c\/p\u003e\n\u003chr data-start=\"702\" data-end=\"705\"\u003e\n\u003ch3 data-start=\"707\" data-end=\"729\"\u003e\u003cstrong data-start=\"711\" data-end=\"727\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"732\" data-end=\"810\"\u003e\n\u003cstrong data-start=\"732\" data-end=\"744\"\u003ePurpose:\u003c\/strong\u003e Moves cooling water through your engine to prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"813\" data-end=\"921\"\u003e\n\u003cstrong data-start=\"813\" data-end=\"826\"\u003eMaterial:\u003c\/strong\u003e Crafted from \u003cstrong data-start=\"840\" data-end=\"870\"\u003ehigh-flexibility elastomer\u003c\/strong\u003e that stays pliable through temperature extremes.\u003c\/li\u003e\n\u003cli data-start=\"924\" data-end=\"1034\"\u003e\n\u003cstrong data-start=\"924\" data-end=\"942\"\u003eDesign Detail:\u003c\/strong\u003e \u003cstrong data-start=\"943\" data-end=\"983\"\u003eCenter insert is bonded to the vanes\u003c\/strong\u003e to prevent tearing and ensure steady water flow.\u003c\/li\u003e\n\u003cli data-start=\"1037\" data-end=\"1123\"\u003e\n\u003cstrong data-start=\"1037\" data-end=\"1053\"\u003ePerformance:\u003c\/strong\u003e Provides strong, consistent flow for reliable cooling at any speed.\u003c\/li\u003e\n\u003cli data-start=\"1126\" data-end=\"1204\"\u003e\n\u003cstrong data-start=\"1126\" data-end=\"1141\"\u003eDurability:\u003c\/strong\u003e Resists cracking, swelling, and fatigue under heat and load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1395\" data-end=\"1398\"\u003e\n\u003ch3 data-start=\"1400\" data-end=\"1437\"\u003e\u003cstrong data-start=\"1404\" data-end=\"1435\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1440\" data-end=\"1504\"\u003e\n\u003cstrong data-start=\"1451\" data-end=\"1501\"\u003eMercury and Mariner 6–15HP TwoStroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1507\" data-end=\"1595\"\u003e\n\u003cstrong data-start=\"1512\" data-end=\"1551\"\u003e8–9.9HP FourStroke (2004 \u0026amp; earlier)\u003c\/strong\u003e and \u003cstrong data-start=\"1556\" data-end=\"1592\"\u003e15HP FourStroke (2008 \u0026amp; earlier)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1598\" data-end=\"1673\"\u003ePerfect for \u003cstrong data-start=\"1610\" data-end=\"1670\"\u003esmall fishing boats, inflatables, and aluminum runabouts\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1676\" data-end=\"1721\"\u003eBuilt for \u003cstrong data-start=\"1686\" data-end=\"1714\"\u003efreshwater and saltwater\u003c\/strong\u003e use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1723\" data-end=\"1726\"\u003e\n\u003ch3 data-start=\"1728\" data-end=\"1770\"\u003e\u003cstrong data-start=\"1732\" data-end=\"1768\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1771\" data-end=\"2000\"\u003eThe \u003cstrong data-start=\"1775\" data-end=\"1796\"\u003e42038Q02 impeller\u003c\/strong\u003e provides smooth, dependable cooling by maintaining steady water pressure through the pump housing. Its flexible blades bend and recover with every revolution, moving water efficiently even at low RPMs.\u003c\/p\u003e\n\u003cp data-start=\"2002\" data-end=\"2297\"\u003eWith its bonded insert and durable elastomer vanes, it’s built to last longer and resist tearing — a common failure point in lesser impellers. Replacing this part on schedule helps prevent overheating and ensures your motor runs cool, efficient, and ready for anything the water throws at you.\u003c\/p\u003e\n\u003chr data-start=\"2299\" data-end=\"2302\"\u003e\n\u003ch3 data-start=\"2304\" data-end=\"2325\"\u003e\u003cstrong data-start=\"2308\" data-end=\"2323\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2326\" data-end=\"2573\"\u003eMercury’s \u003cstrong data-start=\"2336\" data-end=\"2360\"\u003eQuicksilver 42038Q02\u003c\/strong\u003e is a \u003cstrong data-start=\"2366\" data-end=\"2390\"\u003egenuine factory part\u003c\/strong\u003e, engineered specifically for your outboard. Aftermarket versions can look similar but may use harder rubber or slightly off-center molds that reduce water flow or cause early wear.\u003c\/p\u003e\n\u003cp data-start=\"2575\" data-end=\"2795\"\u003eOEM impellers from Mercury are tested in real marine environments to guarantee proper fit, pressure balance, and cooling performance. Choosing OEM means knowing your impeller will last — and your engine will stay safe.\u003c\/p\u003e\n\u003chr data-start=\"2797\" data-end=\"2800\"\u003e\n\u003ch3 data-start=\"2802\" data-end=\"2815\"\u003e\u003cstrong data-start=\"2806\" data-end=\"2813\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2817\" data-end=\"3005\"\u003e\u003cstrong data-start=\"2817\" data-end=\"2862\"\u003eQ1: Which engines does this impeller fit?\u003c\/strong\u003e\u003cbr data-start=\"2862\" data-end=\"2865\"\u003eIt fits \u003cstrong data-start=\"2873\" data-end=\"2913\"\u003eMercury and Mariner 6–15HP TwoStroke\u003c\/strong\u003e, \u003cstrong data-start=\"2915\" data-end=\"2952\"\u003e8–9.9HP FourStroke (2004 \u0026amp; older)\u003c\/strong\u003e, and \u003cstrong data-start=\"2958\" data-end=\"2992\"\u003e15HP FourStroke (2008 \u0026amp; older)\u003c\/strong\u003e outboards.\u003c\/p\u003e\n\u003cp data-start=\"3007\" data-end=\"3135\"\u003e\u003cstrong data-start=\"3007\" data-end=\"3033\"\u003eQ2: What’s it made of?\u003c\/strong\u003e\u003cbr data-start=\"3033\" data-end=\"3036\"\u003eIt’s built from a \u003cstrong data-start=\"3054\" data-end=\"3080\"\u003emarine-grade elastomer\u003c\/strong\u003e that stays flexible and resists cracking or tearing.\u003c\/p\u003e\n\u003cp data-start=\"3137\" data-end=\"3293\"\u003e\u003cstrong data-start=\"3137\" data-end=\"3170\"\u003eQ3: Why replace it regularly?\u003c\/strong\u003e\u003cbr data-start=\"3170\" data-end=\"3173\"\u003eAn old or damaged impeller can cause overheating. Replacing it every 2 years or 200 hours keeps your engine protected.\u003c\/p\u003e\n\u003cp data-start=\"3295\" data-end=\"3404\"\u003e\u003cstrong data-start=\"3295\" data-end=\"3327\"\u003eQ4: Can it handle saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3327\" data-end=\"3330\"\u003eYes — it’s designed for \u003cstrong data-start=\"3354\" data-end=\"3401\"\u003efreshwater, saltwater, and mixed conditions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3406\" data-end=\"3569\"\u003e\u003cstrong data-start=\"3406\" data-end=\"3445\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3445\" data-end=\"3448\"\u003eOEM impellers are built to Mercury’s exact tolerances, ensuring consistent flow, durability, and proper fit every time.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626566967587,"sku":"47-42038Q02","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/42038q02_main.jpg?v=1760631161"},{"product_id":"mercury-water-pump-impeller-fits-various-15-25-hp-47-8508910","title":"Mercury - Water Pump Impeller - Fits Various 15-25 HP - 47-8508910","description":"\u003cp\u003eIMPELLER         O\/B        MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626567033123,"sku":"47-8508910","price":33.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/47-8508910.jpg?v=1698811342"},{"product_id":"mercury-outboard-water-pump-impeller-fits-various-30-60-hp-four-stroke-47-19453t","title":"Mercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Rubber | 19453T","description":"\u003cp data-start=\"0\" data-end=\"105\"\u003e\u003cstrong data-start=\"0\" data-end=\"103\"\u003eMercury – Quicksilver Water Pump Impeller | Cooling System Component | Marine-Grade Rubber | 19453T\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"107\" data-end=\"110\"\u003e\n\u003ch3 data-start=\"112\" data-end=\"130\"\u003e\u003cstrong data-start=\"116\" data-end=\"128\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"131\" data-end=\"682\"\u003eYour outboard’s cooling system is what keeps it performing smoothly, and the \u003cstrong data-start=\"208\" data-end=\"265\"\u003eMercury Marine 19453T Quicksilver Water Pump Impeller\u003c\/strong\u003e is at the heart of that system. Designed for \u003cstrong data-start=\"311\" data-end=\"371\"\u003eMercury 3-cylinder 30–60 horsepower FourStroke outboards\u003c\/strong\u003e and select \u003cstrong data-start=\"383\" data-end=\"404\"\u003eForce 75HP models\u003c\/strong\u003e, this OEM impeller delivers the flow and reliability your engine needs to stay cool under load. Built from high-flexibility marine-grade elastomers, it handles heat, friction, and pressure without cracking or tearing — giving you peace of mind every time you start the motor.\u003c\/p\u003e\n\u003chr data-start=\"684\" data-end=\"687\"\u003e\n\u003ch3 data-start=\"689\" data-end=\"711\"\u003e\u003cstrong data-start=\"693\" data-end=\"709\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"714\" data-end=\"812\"\u003e\n\u003cstrong data-start=\"714\" data-end=\"726\"\u003ePurpose:\u003c\/strong\u003e Circulates cooling water through the engine to maintain safe operating temperature.\u003c\/li\u003e\n\u003cli data-start=\"815\" data-end=\"935\"\u003e\n\u003cstrong data-start=\"815\" data-end=\"828\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"839\" data-end=\"880\"\u003epremium marine-grade rubber elastomer\u003c\/strong\u003e that stays flexible across a wide temperature range.\u003c\/li\u003e\n\u003cli data-start=\"938\" data-end=\"1045\"\u003e\n\u003cstrong data-start=\"938\" data-end=\"956\"\u003eDesign Detail:\u003c\/strong\u003e Reinforced \u003cstrong data-start=\"968\" data-end=\"985\"\u003ecenter insert\u003c\/strong\u003e resists tearing for consistent performance and long life.\u003c\/li\u003e\n\u003cli data-start=\"1048\" data-end=\"1148\"\u003e\n\u003cstrong data-start=\"1048\" data-end=\"1064\"\u003ePerformance:\u003c\/strong\u003e Maintains steady water flow for reliable cooling, even at low speeds or high RPM.\u003c\/li\u003e\n\u003cli data-start=\"1151\" data-end=\"1253\"\u003e\n\u003cstrong data-start=\"1151\" data-end=\"1163\"\u003eFitment:\u003c\/strong\u003e Built to \u003cstrong data-start=\"1173\" data-end=\"1210\"\u003eMercury Marine OEM specifications\u003c\/strong\u003e for a perfect fit and easy installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1403\" data-end=\"1406\"\u003e\n\u003ch3 data-start=\"1408\" data-end=\"1445\"\u003e\u003cstrong data-start=\"1412\" data-end=\"1443\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1448\" data-end=\"1549\"\u003e\n\u003cstrong data-start=\"1453\" data-end=\"1504\"\u003eMercury 30–60HP FourStroke 3-cylinder outboards\u003c\/strong\u003e with serial number \u003cstrong data-start=\"1524\" data-end=\"1546\"\u003e1C049739 and newer\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1552\" data-end=\"1628\"\u003e\n\u003cstrong data-start=\"1562\" data-end=\"1586\"\u003e75HP outboards\u003c\/strong\u003e (serial numbers \u003cstrong data-start=\"1603\" data-end=\"1624\"\u003e0E288000–0E344999\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-start=\"1631\" data-end=\"1701\"\u003eCommonly found on \u003cstrong data-start=\"1649\" data-end=\"1698\"\u003efishing boats, pontoons, and family runabouts\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1704\" data-end=\"1773\"\u003eSuitable for use in \u003cstrong data-start=\"1724\" data-end=\"1757\"\u003eboth freshwater and saltwater\u003c\/strong\u003e environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1775\" data-end=\"1778\"\u003e\n\u003ch3 data-start=\"1780\" data-end=\"1822\"\u003e\u003cstrong data-start=\"1784\" data-end=\"1820\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1823\" data-end=\"2071\"\u003eThe \u003cstrong data-start=\"1827\" data-end=\"1846\"\u003e19453T impeller\u003c\/strong\u003e keeps your cooling system performing at its best by ensuring constant water circulation. Its flexible blades maintain proper pressure and flow, preventing overheating even when idling for long periods or running wide open.\u003c\/p\u003e\n\u003cp data-start=\"2073\" data-end=\"2376\"\u003eThe upgraded elastomer material maintains strength and flexibility through extreme temperatures, while the reinforced hub insert ensures durability under continuous use. Replacing your impeller as part of regular maintenance ensures smooth operation, reliable cooling, and long-term engine protection.\u003c\/p\u003e\n\u003chr data-start=\"2378\" data-end=\"2381\"\u003e\n\u003ch3 data-start=\"2383\" data-end=\"2404\"\u003e\u003cstrong data-start=\"2387\" data-end=\"2402\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2405\" data-end=\"2734\"\u003eAn impeller may look simple, but it’s precision-engineered for your motor’s specific pump system. The \u003cstrong data-start=\"2507\" data-end=\"2529\"\u003eQuicksilver 19453T\u003c\/strong\u003e is a \u003cstrong data-start=\"2535\" data-end=\"2566\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, molded and tested for durability, flow rate, and fit. Cheaper aftermarket impellers can distort or lose tension under load, leading to overheating or early failure.\u003c\/p\u003e\n\u003cp data-start=\"2736\" data-end=\"2945\"\u003eWith OEM quality, you know the materials, tolerances, and performance have been verified by Mercury engineers. It’s a small investment that ensures your engine stays cool, efficient, and ready for the water.\u003c\/p\u003e\n\u003chr data-start=\"2947\" data-end=\"2950\"\u003e\n\u003ch3 data-start=\"2952\" data-end=\"2965\"\u003e\u003cstrong data-start=\"2956\" data-end=\"2963\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2967\" data-end=\"3132\"\u003e\u003cstrong data-start=\"2967\" data-end=\"3007\"\u003eQ1: Which engines use this impeller?\u003c\/strong\u003e\u003cbr data-start=\"3007\" data-end=\"3010\"\u003eIt fits \u003cstrong data-start=\"3018\" data-end=\"3090\"\u003eMercury 3-cylinder 30–60HP FourStroke outboards (1C049739 and above)\u003c\/strong\u003e and \u003cstrong data-start=\"3095\" data-end=\"3129\"\u003eForce 75HP (0E288000–0E344999)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3134\" data-end=\"3271\"\u003e\u003cstrong data-start=\"3134\" data-end=\"3172\"\u003eQ2: What’s the impeller made from?\u003c\/strong\u003e\u003cbr data-start=\"3172\" data-end=\"3175\"\u003eIt’s made from \u003cstrong data-start=\"3190\" data-end=\"3239\"\u003edurable, high-flexibility marine-grade rubber\u003c\/strong\u003e for long-lasting performance.\u003c\/p\u003e\n\u003cp data-start=\"3273\" data-end=\"3420\"\u003e\u003cstrong data-start=\"3273\" data-end=\"3311\"\u003eQ3: How often should I replace it?\u003c\/strong\u003e\u003cbr data-start=\"3311\" data-end=\"3314\"\u003eInspect annually and replace every \u003cstrong data-start=\"3349\" data-end=\"3376\"\u003e100 hours or one season\u003c\/strong\u003e, depending on usage and water conditions.\u003c\/p\u003e\n\u003cp data-start=\"3422\" data-end=\"3532\"\u003e\u003cstrong data-start=\"3422\" data-end=\"3454\"\u003eQ4: Can it handle saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3454\" data-end=\"3457\"\u003eYes. The material resists salt, heat, and wear in any marine environment.\u003c\/p\u003e\n\u003cp data-start=\"3534\" data-end=\"3707\"\u003e\u003cstrong data-start=\"3534\" data-end=\"3577\"\u003eQ5: Why is OEM better than aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3577\" data-end=\"3580\"\u003eOEM impellers are molded to exact dimensions, ensuring proper water flow and long service life without risking engine damage.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626571981091,"sku":"47-19453T","price":47.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/19453t_main.jpg?v=1760631171"},{"product_id":"mercury-outboard-complete-water-pump-fits-30-60-hp-46-8m0113801","title":"Mercury – Water Pump Repair Kit | Cooling System Series | OEM Components | 8M0113801","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Repair Kit | Cooling System Series | OEM Components | 8M0113801\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Anyone who spends real time on the water knows how much you depend on a steady, cool-running engine. When the water pump is healthy, everything feels smoother — the shifts, the throttle, even the sound of the motor settling in at idle. It brings a kind of quiet confidence that lets you enjoy the day instead of worrying about temperature spikes. The Mercury 8M0113801 Water Pump Repair Kit was built for that peace of mind, giving your 30–60 horsepower four-stroke outboard the strong, reliable cooling system it was meant to have.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete kit to restore proper water pump performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes impeller, pump housing, face plate, gaskets, and o-rings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for select Mercury and Mariner 30–60 horsepower four-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM components engineered for long-lasting durability and cooling efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne of the most complete repair kits available for these engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Mercury 30–60 horsepower four-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Mariner 30–60 horsepower four-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on pontoon boats, aluminum fishing rigs, center consoles, runabouts, and utility skiffs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for boats regularly used in shallow water, warm climates, and heavily loaded conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A pro\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eperly functioning water pump is the lifeline of your outboard, and you’ll feel the benefits immediately after installing this kit. The impeller delivers a strong and steady flow of cooling water, keeping engine temperatures stable even during long idle periods or hard acceleration. The h\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eousings and seals go in with a tight, secure fit that restores pressure and eliminates cooling inefficiencies that develop over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOn the water, this translates into a smoother, more predictable engine response. You’ll hear a cleaner idle, feel a steadier temperature range, and enjoy the quiet assurance that your engine is staying protected. The components resist wear from grit, heat, and salt, which gives you more trouble-free seasons before the next service. It’s the kind of maintenance that pays off immediately and continues to protect your investment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is straightforward for most boat owners, especially those who’ve handled a water pump service before. Each piece fits cleanly without modification, and the kit includes everything needed so you’re not chasing extra parts mid-repair.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Cooling system parts need exact fitment to deliver reliable performance, and that’s where genuine Mercury Marine components shine. Aftermarket parts often cut corners on materials or molding tolerances, leading to leaks, premature wear, or inconsistent flow.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0113801 is designed specifically for the water passages, pressure requirements, and engineering standards of your four-stroke outboard. With OEM, you get the right parts the first time — a practical choice that protects your engine, prevents overheating, and extends its lifespan.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the Mercury 8M0113801 Water Pump Repair Kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select Mercury and Mariner 30–60 horsepower four-stroke outboards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this kit different from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM components deliver more precise fitment, superior durability, and reliable long-term cooling performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the correct kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine model and serial range against Mercury Marine part number 8M0113801 or refer to your owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the materials are engineered to withstand both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters with basic tools and experience can complete the job without difficulty.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626574864675,"sku":"46-8M0113801","price":185.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0113801_main.jpg?v=1760631367"},{"product_id":"mercury-outboard-water-pump-impeller-fits-mcm-outboard-applications-47-89984t4","title":"Mercury - Outboard Water Pump Impeller - Fits MCM \u0026 Outboard Applications - 47-89984T4","description":"\u003cp\u003eW IMP-MCM\/ ALPHA 1 \u0026amp;O\/B     MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626575323427,"sku":"47-89984T4","price":42.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/89984t4_main.jpg?v=1760631298"},{"product_id":"mercury-thermostat-160-degree-fits-1987-and-newer-gm-engines-with-standard-cooling-8m0109441","title":"Mercury – Quicksilver 160 Degree Thermostat | Engine Cooling System | Standard Marine Construction | 8M0109441","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver 160 Degree Thermostat | Engine Cooling System | Standard Marine Construction | 8M0109441\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every boater has that one moment when something as simple as temperature makes or breaks the day. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaybe it is\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the smooth pull onto \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplane\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e when everything is running just right, or the quiet rumble as you idle along a shoreline without a hint of hesitation.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e That kind of confidence comes from an engine held at the perfect operating temperature. The Quicksilver 160 Degree Thermostat delivers that steady reassurance, letting you run with the calm certainty that your cooling system is doing \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what it should — no surprises, no stress, just dependable performance every time you turn the key.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaintains a consistent 160 degrees Fahrenheit operating temperature\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for MerCruiser engines built by General Motors with standard cooling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecision-calibrated thermostat for accurate cooling control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine original equipment manufacturer standards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSimple replacement with common hand tools\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser engines produced by General Motors that specify a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e160 degree\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e thermostat\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with many sterndrive setups using standard cooling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on runabouts, cruisers, sport boats, pontoons, wake boats, and compact cabin boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for boaters seeking reliable engine temperature regulation for both recreational and working vessels\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e An engine’s temperature may seem like a small detail, but on the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewater\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e it affects everything — throttle response, fuel economy, longevity, and how smooth your boat feels under your hands. When this thermostat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis installed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, your engine settles into that steady, predictable rhythm Mercury owners know well. The cooling temperature stays tight and stable, allowing your engine to operate cleanly without running too cool or too hot.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou will notice the difference in daily use:\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e quicker warm-up, smoother cruising, and consistent performance when shifting from idle to acceleration. Eliminating temperature swings reduces internal stress on the engine, which helps protect major components over the long haul. The design is straightforward and durable, built to withstand the constant flow of water, pressure changes, and heat cycles \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat come with\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e marine use. Maintenance is simple, too — swap out the old thermostat, tighten everything down, and you are back on the water with confidence restored.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When it comes to engine temperature, close is not good enough. Using a genuine Mercury Marine part ensures the thermostat opens and closes at exactly the right point every time. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith part number 8M0109441, you \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare getting\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e something engineered specifically for your MerCruiser setup, not a generic thermostat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eaimed at\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e “most” marine engines.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The precision is better, the reliability is proven, and the long-term cost is lower because you are avoiding premature wear and inconsistent performance. If you want your boat to run the way Mercury designed it, OEM is the only choice that truly makes sense.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the Quicksilver 160 Degree Thermostat fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser engines built by General Motors that require a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e160 degree\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e thermostat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it better than aftermarket thermostats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The calibration is exact, and the quality meets Mercury Marine standards for durability and dependable temperature control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it is the right thermostat?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your manual and match the specification to Mercury Marine part number 8M0109441.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both fresh and saltwater environments?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely — it is designed for long-lasting performance in either environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters with basic tools can replace a thermostat easily by following their service manual.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626579452195,"sku":"8M0109441","price":29.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0109441_main.jpg?v=1760631373"},{"product_id":"mercury-thermostat-cover-gasket-fits-mcm-4-5l-mpi-and-6-2l-mpi-27-8m0079167","title":"Mercury - Thermostat Cover Gasket - Fits MCM 4.5L MPI and 6.2L MPI - 27-8M0079167","description":"\u003cp\u003eFits MCM 4.5L MPI and 6.2L MPI (s\/n 2A456613 and up)\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626580631843,"sku":"27-8M0079167","price":0.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0079167.png?v=1698814547"},{"product_id":"mercury-15-hp-four-stroke-water-pump-repair-kit-46-8m0122064","title":"Mercury – Water Pump Repair Kit | Cooling System Components | Marine-Grade Elastomers | 8M0122064","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Repair Kit | Cooling System Components | Marine-Grade Elastomers | 8M0122064\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEvery boater knows that a good day on the water depends on an engine that stays cool and calm, no matter how hard it’s working. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhether you’re creeping through a shallow creek at sunrise or running wide open toward open water, that steady cooling flow is something you can actually feel—quiet, dependable, almost like a heartbeat beneath your feet. When it’s time to refresh that system, you want a kit you can count on without second-guessing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Quicksilver 8M0122064 Water Pump Repair Kit brings that confidence back. It’s built for Mercury 8–20 horsepower FourStroke outboards, and it gives you everything needed to restore cooling performance with the same precision your engine had fresh from the factory. It’s reliable, straightforward, and made for people who’d rather spend their time on the water than wondering what’s happening under the cowling.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eC\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eomplete water pump repair kit for Mercury 8–20 horsepower FourStroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for long-lasting durability and strong cooling performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade elastomer impeller offers excellent flexibility across wide temperature ranges\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered for consistent flow and dependable protection during every run\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to meet strict Mercury Marine specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eF\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eits Mercury 8–20 horsepower FourStroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for engines used on small fishing skiffs, jon boats, dinghies, tenders, and nearshore utility craft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with both casual recreational setups and boats used for daily work or transport\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned specifically around Mercury’s factory cooling system components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA refreshed water pump makes an immediate difference. The engine warms up cleanly, holds temperature better, and runs with that smooth, steady cadence you expect from a well-maintained Mercury. This kit restores essential cooling flow, which protects your internal components during long idle periods, sudden throttle bursts, and hot summer afternoons when the shallows are warm and unforgiving.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe impeller’s elastomers are engineered to stay flexible through broad temperature changes—cool morning water or heat-soaked mid-day runs. That flexibility helps maintain tight vane contact inside the pump housing, ensuring consistent pressure and improved flow. You’ll feel the difference in engine responsiveness and overall reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIn\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estallation is straightforward for anyone comfortable handling routine outboard maintenance. The parts fit securely without forcing or fiddling, and once everything is back together, you’re left with the quiet reassurance that your engine is protected for the season ahead.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGenuine Mercury Marine part for exact fit and trusted durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esigned using extensive testing and real-world performance data\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReliable long-term protection compared to unpredictable aftermarket parts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps maintain engine value and overall performance consistency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGives you the peace of mind that comes from using components engineered specifically for your outboard\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTh\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eere’s simply no substitute for factory-matched cooling parts when you rely on your engine day after day.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does this water pump kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury 8–20 horsepower FourStroke outboards that use the corresponding factory pump components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this better than aftermarket water pump kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e This kit is manufactured to Mercury’s exact specifications and tested in harsh marine conditions to ensure long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine model and serial range with the specifications listed in your owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this kit be used in saltwater and freshwater environments?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. All materials are designed for both environments and resist degradation over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation simple for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’re comfortable with basic outboard service, you’ll find this kit easy to install with standard tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626581909795,"sku":"46-8M0122064","price":123.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0122064_main.jpg?v=1760631366"},{"product_id":"mercury-outboard-water-pump-upper-housing-817275a1","title":"Mercury - Outboard Water Pump Upper Housing - 817275A1","description":"\u003cp\u003eHOUSING KIT-W\/P             ZZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626582630691,"sku":"817275A1","price":87.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/817275a1.jpg?v=1698796439"},{"product_id":"mercury-outboard-water-pump-impeller-fits-various-25-20-hp-four-stroke-and-2-cycle-outboards-47-161541","title":"Mercury - Outboard Water Pump Impeller - Fits Various 25-20 HP Four Stroke and 2-Cycle Outboards - 47-161541","description":"\u003cp\u003eW IMP 25\/30 EFI 4STROKE     MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626582696227,"sku":"47-161541","price":28.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/47-161541.jpg?v=1698811362"},{"product_id":"mercury-sea-water-pump-fits-mcm-mie-4-3l-5-0l-5-7l-6-2l-mpi-w-ecm-555-46-8m0139995","title":"Mercury – Sea Pump Kit | Cooling System Component | Marine-Grade Construction | 8M0139995","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Sea Pump Kit | Cooling System Component | Marine-Grade Construction | 8M0139995\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every boater knows that a reliable cooling system isn’t just about performance—it is peace of mind. When the water is choppy, the wind is pushing you sideways, and you are easing the throttle up to settle into a steady run, you want to know your engine is staying cool without complaint. The Mercury 8M0139995 Sea Pump Kit brings that kind of quiet confidence. Built for the MerCruiser 4.3L, 5.0L, 5.7L, and 6.2L MPI engines with manual drain, this pump keeps the heartbeat of the boat steady, even in harsh saltwater conditions. It is one of those parts you trust because you can feel the difference the moment everything starts flowing the way it should.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFully assembled sea water pump designed for select MerCruiser MPI engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt from durable, marine-grade materials engineered for saltwater use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds all Mercury Marine original equipment specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for consistent cooling flow and long-term reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eManufactured to handle abrasive, high-demand marine environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDirect OEM replacement for dependable fit and performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for preventative maintenance or complete pump replacement\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser 4.3L, 5.0L, 5.7L, and 6.2L MPI sterndrive and inboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNot compatible with MerCruiser 6.2L MPI engines serial number 2A456613 and higher\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for cruisers, sport boats, family runabouts, and fishing vessels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks in both freshwater and saltwater environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned specifically for engines equipped with a manual drain system\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A cooling pump may be tucked out of sight, but its job is front and center every moment the boat is running. The 8M0139995 kit is engineered to deliver strong, steady water flow so your engine maintains the temperatures it was built for—no fluctuations, no surprises. On the water, that translates to a smoother idle, a more responsive throttle, and a sense of security when you are miles from the dock.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe pump comes fully assembled, which takes the stress out of installation. You will notice the tight, precise fit right away, and once everything is bolted down, the housing and impeller work together to deliver consistent performance. Even in salty, abrasive coastal waters, the kit resists corrosion and wear, keeping your engine protected season after season. Everything feels more controlled, more settled, and more trustworthy—exactly what you want in your stern drive’s cooling system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When it comes to cooling system components, aftermarket shortcuts rarely pay off. A genuine Mercury Marine part fits correctly the first time, maintains factory-level flow rates, and reduces the chance of overheating or premature failure. The 8M0139995 Sea Pump Kit is built to handle exactly what your MerCruiser engine demands. Choosing OEM means fewer replacements, fewer headaches, and more time on the water enjoying the boat instead of troubleshooting it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the 8M0139995 Sea Pump Kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser 4.3L, 5.0L, 5.7L, and 6.2L MPI engines with a manual drain, except 6.2L MPI engines serial number 2A456613 and up.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this pump different from aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Its materials, flow design, and durability meet Mercury’s original equipment standards, giving you better long-term protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this is the correct part for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your serial number and compare it with the compatibility notes in your owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, it is engineered specifically to withstand saltwater corrosion while performing flawlessly in freshwater as well.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters familiar with maintenance will find installation manageable thanks to the fully assembled pump design.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626585841955,"sku":"46-8M0139995","price":640.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0139995.jpg?v=1698779603"},{"product_id":"mercury-impllr-drvshft-kt-8m0140001","title":"Mercury - Impeller Driveshaft Kit - 8M0140001","description":"\u003cp data-start=\"0\" data-end=\"508\"\u003eKeeping an engine running cool isn’t just about performance—it’s about survival on the water. The \u003cstrong data-start=\"98\" data-end=\"145\"\u003eMercury Impeller Driveshaft Kit (8M0140001)\u003c\/strong\u003e plays a critical role in keeping your MerCruiser seawater pump in peak condition, ensuring a steady flow of cooling water through the system. Over time, wear and tear can take its toll, and a failing impeller or driveshaft can lead to overheating, costly repairs, or worse—being stranded when you least expect it. That’s where this OEM replacement kit comes in.\u003c\/p\u003e\n\u003cp data-start=\"510\" data-end=\"792\"\u003eBuilt with durability in mind, this kit includes everything needed for a reliable refresh of your seawater pump’s impeller driveshaft assembly. Whether you're doing routine maintenance or addressing a performance issue, this set is designed to get the job done with minimal hassle.\u003c\/p\u003e\n\u003ch3 data-start=\"794\" data-end=\"828\"\u003eWhy It’s Worth Your Attention:\u003c\/h3\u003e\n\u003cul data-start=\"829\" data-end=\"1524\"\u003e\n\u003cli data-start=\"829\" data-end=\"974\"\u003e\n\u003cstrong data-start=\"831\" data-end=\"851\"\u003eComplete Package\u003c\/strong\u003e – Comes with essential components, including the tolerance ring, seal lip, snap ring, and spacer, eliminating guesswork.\u003c\/li\u003e\n\u003cli data-start=\"975\" data-end=\"1094\"\u003e\n\u003cstrong data-start=\"977\" data-end=\"994\"\u003ePrecision Fit\u003c\/strong\u003e – Engineered for MerCruiser seawater pumps, ensuring seamless integration and optimal water flow.\u003c\/li\u003e\n\u003cli data-start=\"1095\" data-end=\"1235\"\u003e\n\u003cstrong data-start=\"1097\" data-end=\"1127\"\u003eBuilt for Harsh Conditions\u003c\/strong\u003e – Manufactured by Mercury Marine using high-quality materials that stand up to salt, heat, and high RPMs.\u003c\/li\u003e\n\u003cli data-start=\"1236\" data-end=\"1369\"\u003e\n\u003cstrong data-start=\"1238\" data-end=\"1262\"\u003ePrevents Overheating\u003c\/strong\u003e – Keeps your engine running at the right temperature, reducing long-term wear and maximizing efficiency.\u003c\/li\u003e\n\u003cli data-start=\"1370\" data-end=\"1524\"\u003e\n\u003cstrong data-start=\"1372\" data-end=\"1404\"\u003eStraightforward Installation\u003c\/strong\u003e – Designed for a smooth swap-out, making it easier to maintain peak cooling performance without unnecessary downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1526\" data-end=\"1764\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePerfect for DIYers and marine technicians alike, the \u003cstrong data-start=\"1579\" data-end=\"1624\"\u003eMercury Impeller Driveshaft Kit 8M0140001\u003c\/strong\u003e is a smart investment in your engine’s longevity. If smooth sailing is the goal, keeping the cooling system in top shape is non-negotiable.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626585973027,"sku":"8M0140001","price":115.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0140001.png?v=1757518680"},{"product_id":"mercury-water-pump-seal-kit-fits-alpha-one-gen-ii-drives-26-816575a2","title":"Mercury – Quicksilver 816575A2 Water Pump Face Seal | MerCruiser Alpha One Gen II Drives | 816575A2","description":"\u003cp data-start=\"0\" data-end=\"105\"\u003e\u003cstrong data-start=\"0\" data-end=\"103\"\u003eMercury – Quicksilver 816575A2 Water Pump Face Seal | MerCruiser Alpha One Gen II Drives | 816575A2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"107\" data-end=\"110\"\u003e\n\u003ch3 data-start=\"112\" data-end=\"130\"\u003e\u003cstrong data-start=\"116\" data-end=\"128\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"131\" data-end=\"411\"\u003eA small seal can make a big difference in how well your boat runs. The \u003cstrong data-start=\"202\" data-end=\"247\"\u003eQuicksilver 816575A2 Water Pump Face Seal\u003c\/strong\u003e keeps your \u003cstrong data-start=\"259\" data-end=\"301\"\u003eMerCruiser Alpha One Gen II sterndrive\u003c\/strong\u003e protected by sealing out water where it doesn’t belong and keeping your cooling system tight and efficient.\u003c\/p\u003e\n\u003cp data-start=\"413\" data-end=\"661\"\u003eMade from tough \u003cstrong data-start=\"429\" data-end=\"460\"\u003emarine-grade nitrile rubber\u003c\/strong\u003e, this seal handles constant pressure, vibration, and heat without breaking down. It’s built to Mercury’s specs and comes with the installation tool you need to get the job done right the first time.\u003c\/p\u003e\n\u003chr data-start=\"663\" data-end=\"666\"\u003e\n\u003ch3 data-start=\"668\" data-end=\"690\"\u003e\u003cstrong data-start=\"672\" data-end=\"688\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"693\" data-end=\"784\"\u003e\n\u003cstrong data-start=\"693\" data-end=\"705\"\u003ePurpose:\u003c\/strong\u003e Prevents water leaks and keeps proper cooling pressure in the drive housing.\u003c\/li\u003e\n\u003cli data-start=\"787\" data-end=\"867\"\u003e\n\u003cstrong data-start=\"787\" data-end=\"799\"\u003eFitment:\u003c\/strong\u003e Designed specifically for \u003cstrong data-start=\"826\" data-end=\"864\"\u003eMerCruiser Alpha One Gen II drives\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"870\" data-end=\"1001\"\u003e\n\u003cstrong data-start=\"870\" data-end=\"883\"\u003eMaterial:\u003c\/strong\u003e Crafted from \u003cstrong data-start=\"897\" data-end=\"915\"\u003enitrile rubber\u003c\/strong\u003e that meets \u003cstrong data-start=\"927\" data-end=\"956\"\u003eSAE J200 marine standards\u003c\/strong\u003e for lasting flexibility and sealing power.\u003c\/li\u003e\n\u003cli data-start=\"1004\" data-end=\"1093\"\u003e\n\u003cstrong data-start=\"1004\" data-end=\"1017\"\u003eIncludes:\u003c\/strong\u003e Comes with both the \u003cstrong data-start=\"1038\" data-end=\"1051\"\u003eface seal\u003c\/strong\u003e and a \u003cstrong data-start=\"1058\" data-end=\"1090\"\u003etool for proper installation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1096\" data-end=\"1198\"\u003e\n\u003cstrong data-start=\"1096\" data-end=\"1111\"\u003eDurability:\u003c\/strong\u003e Built and tested to handle marine heat, pressure, and movement for years of service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1200\" data-end=\"1203\"\u003e\n\u003ch3 data-start=\"1205\" data-end=\"1242\"\u003e\u003cstrong data-start=\"1209\" data-end=\"1240\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1245\" data-end=\"1299\"\u003eFits all \u003cstrong data-start=\"1254\" data-end=\"1297\"\u003eMerCruiser Alpha One Gen II sterndrives\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1302\" data-end=\"1390\"\u003eCommon on family cruisers, sport boats, and fishing rigs powered by MerCruiser engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1392\" data-end=\"1395\"\u003e\n\u003ch3 data-start=\"1397\" data-end=\"1439\"\u003e\u003cstrong data-start=\"1401\" data-end=\"1437\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1440\" data-end=\"1806\"\u003eYour cooling system is only as good as its seals, and this one keeps everything in check. A worn face seal can cause leaks that reduce water pressure or let moisture creep into the drive — both can lead to bigger problems down the line. The \u003cstrong data-start=\"1681\" data-end=\"1693\"\u003e816575A2\u003c\/strong\u003e restores that watertight seal and helps your cooling system move water efficiently through the pump and drive.\u003c\/p\u003e\n\u003cp data-start=\"1808\" data-end=\"2108\"\u003eThe nitrile rubber stays flexible even after long exposure to heat, oil, and water. It’s the same material Mercury uses in their factory drives because it holds up where others fail. With the included tool, installing it is straightforward and gives you a perfect fit — no guesswork or frustration.\u003c\/p\u003e\n\u003chr data-start=\"2110\" data-end=\"2113\"\u003e\n\u003ch3 data-start=\"2115\" data-end=\"2136\"\u003e\u003cstrong data-start=\"2119\" data-end=\"2134\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2137\" data-end=\"2457\"\u003eMercury parts are built for marine life — real heat, vibration, and salt exposure. Cheaper aftermarket seals often look the same but use lower-grade rubber that hardens or leaks after a season or two. An \u003cstrong data-start=\"2341\" data-end=\"2365\"\u003eOEM Quicksilver seal\u003c\/strong\u003e fits perfectly and lasts longer, giving you confidence every time you fire up the engine.\u003c\/p\u003e\n\u003cp data-start=\"2459\" data-end=\"2595\"\u003eWhen you’re 10 miles out, you don’t want to wonder about the quality of the parts keeping your drive dry — that’s why OEM is worth it.\u003c\/p\u003e\n\u003chr data-start=\"2597\" data-end=\"2600\"\u003e\n\u003ch3 data-start=\"2602\" data-end=\"2615\"\u003e\u003cstrong data-start=\"2606\" data-end=\"2613\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2616\" data-end=\"2721\"\u003e\u003cstrong data-start=\"2616\" data-end=\"2655\"\u003eQ1: What drives use this face seal?\u003c\/strong\u003e\u003cbr data-start=\"2655\" data-end=\"2658\"\u003eA: It’s made for \u003cstrong data-start=\"2675\" data-end=\"2718\"\u003eMerCruiser Alpha One Gen II sterndrives\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2723\" data-end=\"2838\"\u003e\u003cstrong data-start=\"2723\" data-end=\"2755\"\u003eQ2: What comes with the kit?\u003c\/strong\u003e\u003cbr data-start=\"2755\" data-end=\"2758\"\u003eA: The kit includes \u003cstrong data-start=\"2778\" data-end=\"2806\"\u003eone water pump face seal\u003c\/strong\u003e and an \u003cstrong data-start=\"2814\" data-end=\"2835\"\u003einstallation tool\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2840\" data-end=\"2960\"\u003e\u003cstrong data-start=\"2840\" data-end=\"2868\"\u003eQ3: What’s it made from?\u003c\/strong\u003e\u003cbr data-start=\"2868\" data-end=\"2871\"\u003eA: High-quality \u003cstrong data-start=\"2887\" data-end=\"2905\"\u003enitrile rubber\u003c\/strong\u003e, chosen for strength and marine sealing performance.\u003c\/p\u003e\n\u003cp data-start=\"2962\" data-end=\"3074\"\u003e\u003cstrong data-start=\"2962\" data-end=\"2994\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"2994\" data-end=\"2997\"\u003eA: Yes. With the included tool, it’s a simple DIY job for most boat owners.\u003c\/p\u003e\n\u003cp data-start=\"3076\" data-end=\"3205\"\u003e\u003cstrong data-start=\"3076\" data-end=\"3116\"\u003eQ5: How often should it be replaced?\u003c\/strong\u003e\u003cbr data-start=\"3116\" data-end=\"3119\"\u003eA: Replace it anytime you service the water pump or notice signs of leakage or wear.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626586431779,"sku":"26-816575A2","price":7.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/816575a2.jpg?v=1698815093"},{"product_id":"mercury-thermostat-140-degree-see-description-for-application-8m0089715","title":"Mercury - Thermostat - 140 Degree - See Description for Applicable Models","description":"\u003cp\u003eThe Mercury thermostat - 140 Degree (8M0089715) fits the following Mercury models:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6.2L MPI 300 - Serial Numbers 2A530776 and Above \u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e4.5L MPI 200 Alpha\/Bravo - 2A441953 \u0026amp; Up\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e4.5L MPI 200 Alpha\/Bravo EC - 2A441953 \u0026amp; Up\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e4.5L MPI 250 Alpha\/Bravo - 2A441953 \u0026amp; Up\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e4.5L MPI 250 Alpha\/Bravo EC - 2A441953 \u0026amp; Up\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e540 Stroker 4V - 1G400000 \u0026amp; Up\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626586759459,"sku":"8M0089715","price":23.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0089715_main.jpg?v=1760631363"},{"product_id":"mercury-outboard-water-pump-impeller-fits-mercury-mariner-8-9-9-hp-four-stroke-my-2005-47-8037481","title":"Mercury - Outboard Water Pump Impeller - Fits Mercury\/Mariner 8\/9.9 HP Four Stroke MY 2005 - 47-8037481","description":"\u003cp\u003eW IMPELLER- F8\/9.8 STANDARD\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626591674659,"sku":"47-8037481","price":14.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/47-8037481.jpg?v=1698811349"},{"product_id":"mercury-outboard-water-pump-impeller-fits-various-outboards-3-9-9-8-hp-47-89981","title":"Mercury - Outboard Water Pump Impeller - Fits Various Outboards 3.9-9.8 HP - 47-89981","description":"\u003cp\u003eIMPELLER-O\/B-4 THUR 9.8HP MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626592690467,"sku":"47-89981","price":23.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/89981_main.jpg?v=1760631306"},{"product_id":"mercury-47-803748k02-outboard-water-impeller-repair-kit-fits-9-9-hp-four-stroke","title":"Mercury – Water Pump Impeller Repair Kit | For 8 \u0026 9.9HP FourStroke BigFoot\/Command Thrust | 803748K02","description":"\u003cp data-start=\"0\" data-end=\"108\"\u003e\u003cstrong data-start=\"0\" data-end=\"106\"\u003eMercury – Water Pump Impeller Repair Kit | For 8 \u0026amp; 9.9HP FourStroke BigFoot\/Command Thrust | 803748K02\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"110\" data-end=\"113\"\u003e\n\u003ch3 data-start=\"115\" data-end=\"133\"\u003e\u003cstrong data-start=\"119\" data-end=\"131\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"134\" data-end=\"640\"\u003eYour engine’s cooling system is the heart of its reliability, and the \u003cstrong data-start=\"204\" data-end=\"263\"\u003eMercury Marine 803748K02 Water Pump Impeller Repair Kit\u003c\/strong\u003e keeps it running perfectly. Designed for \u003cstrong data-start=\"305\" data-end=\"351\"\u003eMercury 8HP and 9.9HP FourStroke outboards\u003c\/strong\u003e equipped with \u003cstrong data-start=\"366\" data-end=\"433\"\u003eBigFoot or Command Thrust gearcases (model year 2005 and newer)\u003c\/strong\u003e, this OEM kit includes everything you need to restore proper water flow and cooling performance. It’s an easy, straightforward way to maintain your motor’s health and prevent overheating before it starts.\u003c\/p\u003e\n\u003chr data-start=\"642\" data-end=\"645\"\u003e\n\u003ch3 data-start=\"647\" data-end=\"669\"\u003e\u003cstrong data-start=\"651\" data-end=\"667\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"672\" data-end=\"776\"\u003e\n\u003cstrong data-start=\"672\" data-end=\"684\"\u003ePurpose:\u003c\/strong\u003e Replaces worn cooling system parts to maintain steady water flow and prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"1017\"\u003e\n\u003cstrong data-start=\"927\" data-end=\"944\"\u003eComplete Kit:\u003c\/strong\u003e Includes \u003cstrong data-start=\"954\" data-end=\"1014\"\u003eimpeller, seal, key, gasket, plate, and water guide tube\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1020\" data-end=\"1104\"\u003e\n\u003cstrong data-start=\"1020\" data-end=\"1036\"\u003ePerformance:\u003c\/strong\u003e Ensures proper cooling under all load and temperature conditions.\u003c\/li\u003e\n\u003cli data-start=\"1107\" data-end=\"1208\"\u003e\n\u003cstrong data-start=\"1107\" data-end=\"1123\"\u003eEase of Use:\u003c\/strong\u003e Simple installation with standard tools — direct OEM fit, no modifications needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1210\" data-end=\"1213\"\u003e\n\u003ch3 data-start=\"1215\" data-end=\"1252\"\u003e\u003cstrong data-start=\"1219\" data-end=\"1250\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1255\" data-end=\"1303\"\u003e\u003cstrong data-start=\"1255\" data-end=\"1301\"\u003eMercury 8HP and 9.9HP FourStroke outboards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1306\" data-end=\"1349\"\u003eWith \u003cstrong data-start=\"1311\" data-end=\"1347\"\u003eBigFoot\/Command Thrust gearcases\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1383\"\u003e\u003cstrong data-start=\"1352\" data-end=\"1381\"\u003eModel year 2005 and newer\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1385\" data-end=\"1388\"\u003e\n\u003ch3 data-start=\"1390\" data-end=\"1433\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1431\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1434\" data-end=\"1744\"\u003eThe \u003cstrong data-start=\"1438\" data-end=\"1471\"\u003e803748K02 impeller repair kit\u003c\/strong\u003e restores your engine’s cooling efficiency by replacing critical water pump components that wear over time. A fresh impeller and gasket set maintain strong water circulation, protecting your outboard from overheating and ensuring consistent performance in all conditions.\u003c\/p\u003e\n\u003cp data-start=\"1746\" data-end=\"2021\"\u003eThis complete OEM kit includes everything needed for a proper repair — no missing parts, no guesswork. It’s built to Mercury’s standards for perfect fitment and durability, so you can service your pump confidently and get back on the water knowing your engine is protected.\u003c\/p\u003e\n\u003chr data-start=\"2023\" data-end=\"2026\"\u003e\n\u003ch3 data-start=\"2028\" data-end=\"2060\"\u003e\u003cstrong data-start=\"2032\" data-end=\"2058\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2061\" data-end=\"2321\"\u003eThe \u003cstrong data-start=\"2065\" data-end=\"2086\"\u003eMercury 803748K02\u003c\/strong\u003e is an \u003cstrong data-start=\"2093\" data-end=\"2125\"\u003eauthentic Mercury Marine kit\u003c\/strong\u003e, designed and tested specifically for Mercury engines. Aftermarket kits may look similar, but small differences in size, materials, or tolerances can reduce performance and cause early failure.\u003c\/p\u003e\n\u003cp data-start=\"2323\" data-end=\"2552\"\u003eMercury OEM components are built from premium materials to withstand high temperatures, saltwater exposure, and continuous use. It’s the same quality used by Mercury technicians, ensuring the job gets done right the first time.\u003c\/p\u003e\n\u003chr data-start=\"2554\" data-end=\"2557\"\u003e\n\u003ch3 data-start=\"2559\" data-end=\"2572\"\u003e\u003cstrong data-start=\"2563\" data-end=\"2570\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2574\" data-end=\"2734\"\u003e\u003cstrong data-start=\"2574\" data-end=\"2613\"\u003eQ1: What engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2613\" data-end=\"2616\"\u003eIt fits \u003cstrong data-start=\"2624\" data-end=\"2670\"\u003eMercury 8HP and 9.9HP FourStroke outboards\u003c\/strong\u003e with \u003cstrong data-start=\"2676\" data-end=\"2715\"\u003eBigFoot or Command Thrust gearcases\u003c\/strong\u003e, 2005 and newer.\u003c\/p\u003e\n\u003cp data-start=\"2736\" data-end=\"2870\"\u003e\u003cstrong data-start=\"2736\" data-end=\"2771\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2771\" data-end=\"2774\"\u003eThe kit comes with a \u003cstrong data-start=\"2795\" data-end=\"2867\"\u003ereplacement impeller, seal, key, gasket, plate, and water guide tube\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2872\" data-end=\"3041\"\u003e\u003cstrong data-start=\"2872\" data-end=\"2914\"\u003eQ3: Why should I replace the impeller?\u003c\/strong\u003e\u003cbr data-start=\"2914\" data-end=\"2917\"\u003eThe impeller wears over time and can’t circulate water efficiently, leading to overheating and reduced engine performance.\u003c\/p\u003e\n\u003cp data-start=\"3043\" data-end=\"3165\"\u003e\u003cstrong data-start=\"3043\" data-end=\"3081\"\u003eQ4: Is this a complete repair kit?\u003c\/strong\u003e\u003cbr data-start=\"3081\" data-end=\"3084\"\u003eYes — it contains every key component you need for a proper water pump rebuild.\u003c\/p\u003e\n\u003cp data-start=\"3167\" data-end=\"3362\"\u003e\u003cstrong data-start=\"3167\" data-end=\"3221\"\u003eQ5: Why choose Mercury OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3221\" data-end=\"3224\"\u003eBecause \u003cstrong data-start=\"3232\" data-end=\"3257\"\u003eOEM parts fit exactly\u003c\/strong\u003e, last longer, and are tested to perform in real-world marine conditions — no shortcuts or compromises.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626593706275,"sku":"47-803748K02","price":83.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/803748K02_Main.jpg?v=1760631185"},{"product_id":"mercury-thermostat-fits-mcm-496-mag-ho-mie-8-1l-ho-8m0076464","title":"Mercury - Thermostat - Fits MCM 496 Mag \u0026 HO \u0026 MIE 8.1L \u0026 HO - 8M0076464","description":"\u003cp\u003eTHERMOSTAT 160 DEGREE 496 MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626593837347,"sku":"8M0076464","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0076464_main.jpg?v=1760631348"},{"product_id":"mercury-47-19453t2-outboard-water-impeller-repair-kit-fits-50-55-60-hp-3-cylinder-2-cycle","title":"Mercury – Water Pump Impeller Repair Kit | Cooling System Component | Marine-Grade Rubber \u0026amp; Stainless Steel | 19453T2","description":"\u003cp data-start=\"0\" data-end=\"123\"\u003e\u003cstrong data-start=\"0\" data-end=\"121\"\u003eMercury – Water Pump Impeller Repair Kit | Cooling System Component | Marine-Grade Rubber \u0026amp; Stainless Steel | 19453T2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"125\" data-end=\"128\"\u003e\n\u003ch3 data-start=\"130\" data-end=\"148\"\u003e\u003cstrong data-start=\"134\" data-end=\"146\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"149\" data-end=\"709\"\u003eA healthy water pump is what keeps your outboard running cool, and the \u003cstrong data-start=\"220\" data-end=\"277\"\u003eMercury Marine 19453T2 Water Pump Impeller Repair Kit\u003c\/strong\u003e gives you everything needed to bring it back to peak performance. Designed for \u003cstrong data-start=\"357\" data-end=\"405\"\u003eMercury 50–60 horsepower TwoStroke outboards\u003c\/strong\u003e with standard gearcases, this OEM kit includes all the critical components — gaskets, seals, plates, and the high-performance impeller itself. Built to Mercury’s factory standards, it ensures strong, consistent water flow and long-lasting reliability whether you’re trolling slow or running wide open.\u003c\/p\u003e\n\u003chr data-start=\"711\" data-end=\"714\"\u003e\n\u003ch3 data-start=\"716\" data-end=\"738\"\u003e\u003cstrong data-start=\"720\" data-end=\"736\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"741\" data-end=\"834\"\u003e\n\u003cstrong data-start=\"741\" data-end=\"753\"\u003ePurpose:\u003c\/strong\u003e Restores full water pump function to maintain cooling and prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"837\" data-end=\"957\"\u003e\n\u003cstrong data-start=\"837\" data-end=\"850\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"861\" data-end=\"884\"\u003emarine-grade rubber\u003c\/strong\u003e and \u003cstrong data-start=\"889\" data-end=\"919\"\u003estainless steel components\u003c\/strong\u003e for durability in harsh conditions.\u003c\/li\u003e\n\u003cli data-start=\"960\" data-end=\"1080\"\u003e\n\u003cstrong data-start=\"960\" data-end=\"971\"\u003eDesign:\u003c\/strong\u003e Engineered to \u003cstrong data-start=\"986\" data-end=\"1023\"\u003eMercury Marine OEM specifications\u003c\/strong\u003e for perfect fit and factory-level cooling performance.\u003c\/li\u003e\n\u003cli data-start=\"1083\" data-end=\"1188\"\u003e\n\u003cstrong data-start=\"1083\" data-end=\"1096\"\u003eContents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1106\" data-end=\"1160\"\u003eimpeller, gaskets, wear plate, seals, and hardware\u003c\/strong\u003e — a complete rebuild kit.\u003c\/li\u003e\n\u003cli data-start=\"1191\" data-end=\"1293\"\u003e\n\u003cstrong data-start=\"1191\" data-end=\"1207\"\u003ePerformance:\u003c\/strong\u003e Provides steady water flow and pressure through all engine speeds and temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1463\" data-end=\"1466\"\u003e\n\u003ch3 data-start=\"1468\" data-end=\"1505\"\u003e\u003cstrong data-start=\"1472\" data-end=\"1503\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1508\" data-end=\"1583\"\u003e\n\u003cstrong data-start=\"1513\" data-end=\"1552\"\u003eMercury 50–60HP TwoStroke outboards\u003c\/strong\u003e with \u003cstrong data-start=\"1558\" data-end=\"1580\"\u003estandard gearcases\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1586\" data-end=\"1613\"\u003eCompatible serial ranges:\u003c\/li\u003e\n\u003cli data-start=\"1618\" data-end=\"1644\"\u003e50HP (0D000750–0G589999)\u003c\/li\u003e\n\u003cli data-start=\"1649\" data-end=\"1679\"\u003e55–60HP (0D000750 and above)\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1682\" data-end=\"1750\"\u003eCommonly found on \u003cstrong data-start=\"1700\" data-end=\"1747\"\u003efishing boats, pontoons, and small cruisers\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1753\" data-end=\"1806\"\u003eWorks in \u003cstrong data-start=\"1762\" data-end=\"1790\"\u003efreshwater and saltwater\u003c\/strong\u003e environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1808\" data-end=\"1811\"\u003e\n\u003ch3 data-start=\"1813\" data-end=\"1855\"\u003e\u003cstrong data-start=\"1817\" data-end=\"1853\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1856\" data-end=\"2095\"\u003eWhen water pump parts wear, cooling performance drops — and that can mean trouble for your outboard. The \u003cstrong data-start=\"1961\" data-end=\"1983\"\u003e19453T2 repair kit\u003c\/strong\u003e gives your pump a complete refresh, restoring proper pressure and flow to keep the engine cool and efficient.\u003c\/p\u003e\n\u003cp data-start=\"2097\" data-end=\"2465\"\u003eThe impeller’s flexible vanes maintain steady flow, even in hot or shallow-water conditions, while the stainless plate and gaskets ensure a clean, watertight seal. Regular replacement with this kit prevents overheating, improves reliability, and extends the life of your Mercury engine. It’s a small job that delivers big peace of mind every time you leave the dock.\u003c\/p\u003e\n\u003chr data-start=\"2467\" data-end=\"2470\"\u003e\n\u003ch3 data-start=\"2472\" data-end=\"2493\"\u003e\u003cstrong data-start=\"2476\" data-end=\"2491\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2494\" data-end=\"2812\"\u003eAftermarket kits may fit loosely or use inferior materials that can swell, crack, or fail under load. The \u003cstrong data-start=\"2600\" data-end=\"2619\"\u003eMercury 19453T2\u003c\/strong\u003e is a \u003cstrong data-start=\"2625\" data-end=\"2651\"\u003egenuine OEM repair kit\u003c\/strong\u003e, designed for the specific cooling system found in Mercury TwoStroke outboards. Every part is tested for flow rate, heat resistance, and long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"2814\" data-end=\"3032\"\u003eWith OEM parts, you know you’re getting the exact tolerances and quality that Mercury engineers intended — no adjustments, no second-guessing. It’s the reliable fix that keeps your cooling system performing like new.\u003c\/p\u003e\n\u003chr data-start=\"3034\" data-end=\"3037\"\u003e\n\u003ch3 data-start=\"3039\" data-end=\"3052\"\u003e\u003cstrong data-start=\"3043\" data-end=\"3050\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3054\" data-end=\"3222\"\u003e\u003cstrong data-start=\"3054\" data-end=\"3094\"\u003eQ1: Which engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"3094\" data-end=\"3097\"\u003eIt fits \u003cstrong data-start=\"3105\" data-end=\"3155\"\u003eMercury 50–60HP TwoStroke 3-cylinder outboards\u003c\/strong\u003e with standard gearcases, covering serial ranges 0D000750 and up.\u003c\/p\u003e\n\u003cp data-start=\"3224\" data-end=\"3353\"\u003e\u003cstrong data-start=\"3224\" data-end=\"3259\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3259\" data-end=\"3262\"\u003eEverything needed for a full rebuild — \u003cstrong data-start=\"3301\" data-end=\"3350\"\u003eimpeller, gaskets, plate, seals, and hardware\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3355\" data-end=\"3496\"\u003e\u003cstrong data-start=\"3355\" data-end=\"3402\"\u003eQ3: How often should I replace my impeller?\u003c\/strong\u003e\u003cbr data-start=\"3402\" data-end=\"3405\"\u003eInspect annually and replace every \u003cstrong data-start=\"3440\" data-end=\"3475\"\u003e100 hours or every other season\u003c\/strong\u003e, depending on use.\u003c\/p\u003e\n\u003cp data-start=\"3498\" data-end=\"3629\"\u003e\u003cstrong data-start=\"3498\" data-end=\"3540\"\u003eQ4: Can this kit handle saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"3540\" data-end=\"3543\"\u003eYes. All components are corrosion-resistant and built for long-term marine exposure.\u003c\/p\u003e\n\u003cp data-start=\"3631\" data-end=\"3795\"\u003e\u003cstrong data-start=\"3631\" data-end=\"3668\"\u003eQ5: Why choose Mercury OEM parts?\u003c\/strong\u003e\u003cbr data-start=\"3668\" data-end=\"3671\"\u003eBecause they’re engineered specifically for your outboard — ensuring perfect fit, steady flow, and dependable performance.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626594001187,"sku":"47-19453T2","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/19453t2_main.jpg?v=1760631194"},{"product_id":"mercury-thermostat-fits-mcm-4-3l-4-5l-5-0l-5-7l-6-2l-mpi-engines-with-dry-joint-exhaust-and-closed-cooling-864493","title":"Mercury – Replacement Thermostat | 170 Degree Cooling System | Marine-Grade Steel | 864493","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Replacement Thermostat | 170 Degree Cooling System | Marine-Grade Steel | 864493\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Out on the water, there’s something reassuring about an engine that finds its temperature, settles in, and just runs the way it’s supposed to. You can feel it in the throttle, hear it in the steady hum behind you, and trust it when the day takes you farther from shore than planned.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A dependable thermostat plays a bigger role in that confidence than most folks realize. The Mercury Marine 864493 Thermostat helps your engine warm up quickly, stay balanced, and deliver smooth, predictable performance every time you power up.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGenuine Mercury Marine 170-degree Fahrenheit thermostat\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for precise temperature regulation in modern MerCruiser cooling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade construction built to handle heat, moisture, and vibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with dry joint exhaust and closed cooling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered for long service life and dependable operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStraightforward installation using common tools\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser sterndrive engines: 4.3L, 4.5L, 5.0L, 5.7L, and 6.2L MPI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for boats equipped with dry joint exhaust systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with closed cooling setups found on many cruisers and performance boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on runabouts, sport boats, family cruisers, tow boats, and workboats\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A thermostat may seem like a small component, but you feel it in every part of your time on the water\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. With the correct 170-degree setting, your engine reaches operating temperature quickly, helping fuel burn cleaner and improving throttle response. Once warmed up, it stays remarkably steady—no temperature swings, no sluggish behavior, just a smooth, predictable rhythm that feels right under your hands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis thermostat is engineered to open and close with precise timing, giving you a more controlled cooling cycle that’s especially helpful when navigating between idle zones and higher-speed stretches. The tight, secure fit of this OEM part ensures proper sealing, preventing the headaches that come from coolant leaks or thermal imbalance.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e And because it’s built from durable marine-grade materials, it stands up to the constant heat cycling and moisture that every sterndrive must endure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’ve been boating long enough, you already know the cooling system isn’t an area where you want surprises.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM parts match Mercury’s original specifications exactly—no guessing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eLong-term reliability that protects your engine investment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBetter durability in marine environments than many aftermarket options\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to fit right the first time, avoiding rework or misalignment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps maintain proper engine temperature for smooth performance and reduced wear\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s the kind of part you replace once, confidently, knowing it’s the right choice for your engine and your time on the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the Thermostat 864493 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser 4.3L, 4.5L, 5.0L, 5.7L, and 6.2L Multi-Port Injection engines with dry joint exhaust and closed cooling systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this thermostat better than aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Its accuracy, material quality, and precise opening temperature match Mercury’s engineering, giving your engine the temperature stability it needs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this is the correct replacement for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine model, cooling system type, and confirm you need a 170-degree thermostat—these details will match perfectly with this part number.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Its marine-grade construction is built to perform well in any environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Very. Most boat owners with basic tools and a service manual find the process simple and quick.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932429996323,"sku":"864493","price":28.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/864493_main.jpg?v=1760631257"},{"product_id":"mercury-quicksilver-water-impeller-repair-kit-fits-mercury-mariner-4-hp-model-75-model-110-9-8-hp-with-456-inch-diameter-47-89981q1","title":"Mercury Quicksilver - Water Impeller Repair Kit - Fits Mercury\/Mariner 4 HP, Model 75 \u0026 Model 110\/9.8 HP with .456 inch Diameter - 47-89981Q1","description":"\u003cp\u003eWATER PMP IMP REP KIT O\/BZ  MZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438319395,"sku":"47-89981Q1","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/89981q1_main.jpg?v=1760631309"},{"product_id":"mercury-quicksilver-water-impeller-repair-kit-fits-50-hp-2-cycle-standard-gearcase-55-60-hp-2-cycle-standard-gearcase-47-19453q2","title":"Mercury – Quicksilver Water Pump Impeller Repair Kit | Cooling System Component | Marine-Grade Rubber and Stainless Steel | 19453Q2","description":"\u003cp data-start=\"0\" data-end=\"137\"\u003e\u003cstrong data-start=\"0\" data-end=\"135\"\u003eMercury – Quicksilver Water Pump Impeller Repair Kit | Cooling System Component | Marine-Grade Rubber and Stainless Steel | 19453Q2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"139\" data-end=\"142\"\u003e\n\u003ch3 data-start=\"144\" data-end=\"162\"\u003e\u003cstrong data-start=\"148\" data-end=\"160\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"163\" data-end=\"704\"\u003eA reliable cooling system keeps your outboard alive, and the \u003cstrong data-start=\"224\" data-end=\"293\"\u003eMercury Marine 19453Q2 Quicksilver Water Pump Impeller Repair Kit\u003c\/strong\u003e makes sure it stays that way. Designed for \u003cstrong data-start=\"337\" data-end=\"401\"\u003eMercury and Mariner 3-cylinder TwoStroke outboards (50–60HP)\u003c\/strong\u003e with standard gearcases, this complete OEM kit includes everything you need to restore proper cooling — gaskets, plates, seals, and a flexible high-performance impeller. It’s built tough to handle heat, vibration, and debris, keeping water flowing strong and your engine running cool all season long.\u003c\/p\u003e\n\u003chr data-start=\"706\" data-end=\"709\"\u003e\n\u003ch3 data-start=\"711\" data-end=\"733\"\u003e\u003cstrong data-start=\"715\" data-end=\"731\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"736\" data-end=\"838\"\u003e\n\u003cstrong data-start=\"736\" data-end=\"748\"\u003ePurpose:\u003c\/strong\u003e Rebuilds the water pump assembly to restore consistent cooling and prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"841\" data-end=\"964\"\u003e\n\u003cstrong data-start=\"841\" data-end=\"854\"\u003eMaterial:\u003c\/strong\u003e Features a \u003cstrong data-start=\"866\" data-end=\"908\"\u003ehigh-flexibility marine-grade impeller\u003c\/strong\u003e and \u003cstrong data-start=\"913\" data-end=\"961\"\u003ecorrosion-resistant metal plates and gaskets\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"967\" data-end=\"1073\"\u003e\n\u003cstrong data-start=\"967\" data-end=\"978\"\u003eDesign:\u003c\/strong\u003e Precision-engineered to \u003cstrong data-start=\"1003\" data-end=\"1031\"\u003eMercury Marine OEM specs\u003c\/strong\u003e for perfect fit and dependable sealing.\u003c\/li\u003e\n\u003cli data-start=\"1076\" data-end=\"1170\"\u003e\n\u003cstrong data-start=\"1076\" data-end=\"1089\"\u003eContents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1099\" data-end=\"1139\"\u003eimpeller, gaskets, plates, and seals\u003c\/strong\u003e for a complete pump rebuild.\u003c\/li\u003e\n\u003cli data-start=\"1173\" data-end=\"1273\"\u003e\n\u003cstrong data-start=\"1173\" data-end=\"1189\"\u003ePerformance:\u003c\/strong\u003e Delivers high water flow and stable pressure across temperature and speed ranges.\u003c\/li\u003e\n\u003cli data-start=\"1276\" data-end=\"1443\"\u003e\n\u003cstrong data-start=\"1276\" data-end=\"1294\"\u003eCompatibility:\u003c\/strong\u003e Fits \u003cstrong data-start=\"1300\" data-end=\"1359\"\u003eMercury and Mariner 3-cylinder 50HP (0D000750–0G589999)\u003c\/strong\u003e and \u003cstrong data-start=\"1364\" data-end=\"1396\"\u003e55–60HP (0D000750 and newer)\u003c\/strong\u003e TwoStroke outboards with standard gearcases.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1445\" data-end=\"1448\"\u003e\n\u003ch3 data-start=\"1450\" data-end=\"1487\"\u003e\u003cstrong data-start=\"1454\" data-end=\"1485\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1490\" data-end=\"1571\"\u003e\n\u003cstrong data-start=\"1506\" data-end=\"1568\"\u003eMercury and Mariner 50–60HP 3-cylinder TwoStroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1574\" data-end=\"1590\"\u003eSerial ranges:\u003c\/li\u003e\n\u003cli data-start=\"1595\" data-end=\"1621\"\u003e50HP (0D000750–0G589999)\u003c\/li\u003e\n\u003cli data-start=\"1626\" data-end=\"1662\"\u003e55HP and 60HP (0D000750 and newer)\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1665\" data-end=\"1728\"\u003eCommonly found on \u003cstrong data-start=\"1683\" data-end=\"1725\"\u003efishing boats, runabouts, and pontoons\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1731\" data-end=\"1793\"\u003eSuitable for both \u003cstrong data-start=\"1749\" data-end=\"1777\"\u003efreshwater and saltwater\u003c\/strong\u003e applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1795\" data-end=\"1798\"\u003e\n\u003ch3 data-start=\"1800\" data-end=\"1842\"\u003e\u003cstrong data-start=\"1804\" data-end=\"1840\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1843\" data-end=\"2191\"\u003eThe \u003cstrong data-start=\"1847\" data-end=\"1871\"\u003e19453Q2 impeller kit\u003c\/strong\u003e restores the heart of your cooling system. Its flexible elastomer impeller maintains consistent flow even at low idle or high RPM, while the included plates and seals ensure everything stays watertight. By renewing these components, you protect your outboard from overheating and maintain smooth, efficient operation.\u003c\/p\u003e\n\u003cp data-start=\"2193\" data-end=\"2509\"\u003eThe materials are designed to endure marine life — heat, friction, and mineral-filled water. You’ll notice a steady stream from the telltale and consistent cooling performance under all conditions. Regular replacement of this kit means peace of mind on every trip and fewer surprises when you’re far from the dock.\u003c\/p\u003e\n\u003chr data-start=\"2511\" data-end=\"2514\"\u003e\n\u003ch3 data-start=\"2516\" data-end=\"2537\"\u003e\u003cstrong data-start=\"2520\" data-end=\"2535\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2538\" data-end=\"2877\"\u003eAftermarket kits can miss the small details — slightly different gasket thickness, weaker impellers, or plates that don’t seat right. The \u003cstrong data-start=\"2676\" data-end=\"2699\"\u003eQuicksilver 19453Q2\u003c\/strong\u003e is a \u003cstrong data-start=\"2705\" data-end=\"2736\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, precision-made for the exact pump system in your outboard. It’s tested for performance, fit, and durability under real marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"2879\" data-end=\"3112\"\u003eWith OEM Mercury parts, you get a perfect fit the first time, reliable water flow, and components that last. It’s the right choice for anyone who takes maintenance seriously and wants their motor running cool and steady all season.\u003c\/p\u003e\n\u003chr data-start=\"3114\" data-end=\"3117\"\u003e\n\u003ch3 data-start=\"3119\" data-end=\"3132\"\u003e\u003cstrong data-start=\"3123\" data-end=\"3130\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3134\" data-end=\"3317\"\u003e\u003cstrong data-start=\"3134\" data-end=\"3187\"\u003eQ1: Which engines use this water pump repair kit?\u003c\/strong\u003e\u003cbr data-start=\"3187\" data-end=\"3190\"\u003eIt fits \u003cstrong data-start=\"3198\" data-end=\"3246\"\u003eMercury and Mariner 50HP (0D000750–0G589999)\u003c\/strong\u003e and \u003cstrong data-start=\"3251\" data-end=\"3283\"\u003e55–60HP (0D000750 and above)\u003c\/strong\u003e 3-cylinder TwoStroke outboards.\u003c\/p\u003e\n\u003cp data-start=\"3319\" data-end=\"3456\"\u003e\u003cstrong data-start=\"3319\" data-end=\"3354\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3354\" data-end=\"3357\"\u003eThe kit includes the \u003cstrong data-start=\"3378\" data-end=\"3422\"\u003eimpeller, gaskets, base plate, and seals\u003c\/strong\u003e needed for a full pump rebuild.\u003c\/p\u003e\n\u003cp data-start=\"3458\" data-end=\"3610\"\u003e\u003cstrong data-start=\"3458\" data-end=\"3498\"\u003eQ3: How often should it be replaced?\u003c\/strong\u003e\u003cbr data-start=\"3498\" data-end=\"3501\"\u003eInspect annually and replace every \u003cstrong data-start=\"3536\" data-end=\"3551\"\u003etwo seasons\u003c\/strong\u003e or \u003cstrong data-start=\"3555\" data-end=\"3568\"\u003e200 hours\u003c\/strong\u003e, depending on water conditions and use.\u003c\/p\u003e\n\u003cp data-start=\"3612\" data-end=\"3732\"\u003e\u003cstrong data-start=\"3612\" data-end=\"3648\"\u003eQ4: Can it handle saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"3648\" data-end=\"3651\"\u003eYes — all components are corrosion-resistant and built for marine environments.\u003c\/p\u003e\n\u003cp data-start=\"3734\" data-end=\"3884\"\u003e\u003cstrong data-start=\"3734\" data-end=\"3771\"\u003eQ5: Why choose OEM Mercury parts?\u003c\/strong\u003e\u003cbr data-start=\"3771\" data-end=\"3774\"\u003eThey guarantee proper fit, long-term durability, and reliable performance that aftermarket kits can’t match.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438352163,"sku":"47-19453Q2","price":90.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/19453q2_main.jpg?v=1760631161"},{"product_id":"mercury-water-pump-base-fits-120-140-160-drives-w-flush-screw-in-gear-housing-46-48748a1","title":"Mercury – Quicksilver Water Pump Base Assembly | Cooling System Part | Reinforced Nylon | 48748A1","description":"\u003cp data-start=\"0\" data-end=\"103\"\u003e\u003cstrong data-start=\"0\" data-end=\"101\"\u003eMercury – Quicksilver Water Pump Base Assembly | Cooling System Part | Reinforced Nylon | 48748A1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"105\" data-end=\"108\"\u003e\n\u003ch3 data-start=\"110\" data-end=\"128\"\u003e\u003cstrong data-start=\"114\" data-end=\"126\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"129\" data-end=\"696\"\u003eIf your MerCruiser is running hotter than normal or losing water pressure, the problem might start at the pump base. The \u003cstrong data-start=\"250\" data-end=\"313\"\u003eMercury Marine 48748A1 Quicksilver Water Pump Base Assembly\u003c\/strong\u003e gives your cooling system a solid foundation, keeping the impeller aligned and water flowing smoothly. Designed for \u003cstrong data-start=\"430\" data-end=\"474\"\u003eMerCruiser 120, 140, and 160 sterndrives\u003c\/strong\u003e with flush screw-in gear housings, it’s made from \u003cstrong data-start=\"525\" data-end=\"545\"\u003ereinforced nylon\u003c\/strong\u003e that won’t crack or deform under heat and pressure. It’s a tough, long-lasting part that helps your engine stay cool and dependable year after year.\u003c\/p\u003e\n\u003chr data-start=\"698\" data-end=\"701\"\u003e\n\u003ch3 data-start=\"703\" data-end=\"725\"\u003e\u003cstrong data-start=\"707\" data-end=\"723\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"728\" data-end=\"814\"\u003e\n\u003cstrong data-start=\"728\" data-end=\"736\"\u003eJob:\u003c\/strong\u003e Supports the impeller and seals the lower unit to maintain even water flow.\u003c\/li\u003e\n\u003cli data-start=\"817\" data-end=\"919\"\u003e\n\u003cstrong data-start=\"817\" data-end=\"830\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"841\" data-end=\"861\"\u003ereinforced nylon\u003c\/strong\u003e, resistant to heat, vibration, and saltwater corrosion.\u003c\/li\u003e\n\u003cli data-start=\"922\" data-end=\"994\"\u003e\n\u003cstrong data-start=\"922\" data-end=\"933\"\u003eDesign:\u003c\/strong\u003e Built to \u003cstrong data-start=\"943\" data-end=\"973\"\u003efactory Mercury dimensions\u003c\/strong\u003e for a precise fit.\u003c\/li\u003e\n\u003cli data-start=\"997\" data-end=\"1084\"\u003e\n\u003cstrong data-start=\"997\" data-end=\"1013\"\u003ePerformance:\u003c\/strong\u003e Keeps the impeller stable, ensuring consistent pressure and cooling.\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1165\"\u003e\n\u003cstrong data-start=\"1087\" data-end=\"1102\"\u003eDurability:\u003c\/strong\u003e Lightweight but tough enough to handle long-term marine use.\u003c\/li\u003e\n\u003cli data-start=\"1168\" data-end=\"1265\"\u003e\n\u003cstrong data-start=\"1168\" data-end=\"1176\"\u003eFit:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"1190\" data-end=\"1234\"\u003eMerCruiser 120, 140, and 160 sterndrives\u003c\/strong\u003e with screw-in gear housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1267\" data-end=\"1270\"\u003e\n\u003ch3 data-start=\"1272\" data-end=\"1309\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1307\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1312\" data-end=\"1370\"\u003eMerCruiser 120 sterndrives (flush screw-in gear housing)\u003c\/li\u003e\n\u003cli data-start=\"1373\" data-end=\"1431\"\u003eMerCruiser 140 sterndrives (flush screw-in gear housing)\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1492\"\u003eMerCruiser 160 sterndrives (flush screw-in gear housing)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1494\" data-end=\"1497\"\u003e\n\u003ch3 data-start=\"1499\" data-end=\"1542\"\u003e\u003cstrong data-start=\"1503\" data-end=\"1540\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1543\" data-end=\"1899\"\u003eThe \u003cstrong data-start=\"1547\" data-end=\"1568\"\u003e48748A1 pump base\u003c\/strong\u003e keeps your cooling system steady by securing the impeller and sealing the pump chamber. That means steady water pressure, cooler running temperatures, and fewer overheating headaches. The reinforced nylon construction holds up against constant water flow and vibration, resisting wear that can lead to leaks or weak circulation.\u003c\/p\u003e\n\u003cp data-start=\"1901\" data-end=\"2118\"\u003eIf your pump base is old or cracked, it can cause air leaks that disrupt water flow. Replacing it restores smooth, reliable cooling performance — and helps your engine stay protected on long runs or hot summer days.\u003c\/p\u003e\n\u003chr data-start=\"2120\" data-end=\"2123\"\u003e\n\u003ch3 data-start=\"2125\" data-end=\"2157\"\u003e\u003cstrong data-start=\"2129\" data-end=\"2155\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2158\" data-end=\"2392\"\u003eThe \u003cstrong data-start=\"2162\" data-end=\"2185\"\u003eQuicksilver 48748A1\u003c\/strong\u003e is a \u003cstrong data-start=\"2191\" data-end=\"2234\"\u003egenuine Mercury Marine replacement part\u003c\/strong\u003e, built to match your engine’s exact specs. Aftermarket parts might look the same but often don’t line up perfectly or use materials that soften under heat.\u003c\/p\u003e\n\u003cp data-start=\"2394\" data-end=\"2602\"\u003eMercury’s OEM parts are tested under real boating conditions for durability and precision. With OEM, you get a part that fits right the first time and keeps your cooling system working exactly as it should.\u003c\/p\u003e\n\u003chr data-start=\"2604\" data-end=\"2607\"\u003e\n\u003ch3 data-start=\"2609\" data-end=\"2622\"\u003e\u003cstrong data-start=\"2613\" data-end=\"2620\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2624\" data-end=\"2755\"\u003e\u003cstrong data-start=\"2624\" data-end=\"2663\"\u003eQ1: What drives does this base fit?\u003c\/strong\u003e\u003cbr data-start=\"2663\" data-end=\"2666\"\u003eIt fits \u003cstrong data-start=\"2674\" data-end=\"2718\"\u003eMerCruiser 120, 140, and 160 sterndrives\u003c\/strong\u003e with flush screw-in gear housings.\u003c\/p\u003e\n\u003cp data-start=\"2757\" data-end=\"2890\"\u003e\u003cstrong data-start=\"2757\" data-end=\"2785\"\u003eQ2: What’s it made from?\u003c\/strong\u003e\u003cbr data-start=\"2785\" data-end=\"2788\"\u003eIt’s made from \u003cstrong data-start=\"2803\" data-end=\"2823\"\u003ereinforced nylon\u003c\/strong\u003e, a strong, corrosion-resistant material designed for marine use.\u003c\/p\u003e\n\u003cp data-start=\"2892\" data-end=\"3007\"\u003e\u003cstrong data-start=\"2892\" data-end=\"2915\"\u003eQ3: Why replace it?\u003c\/strong\u003e\u003cbr data-start=\"2915\" data-end=\"2918\"\u003eCracked or warped bases can cause leaks and reduced water flow, leading to overheating.\u003c\/p\u003e\n\u003cp data-start=\"3009\" data-end=\"3131\"\u003e\u003cstrong data-start=\"3009\" data-end=\"3041\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"3041\" data-end=\"3044\"\u003eYes — it installs easily with basic tools when servicing your impeller or lower unit.\u003c\/p\u003e\n\u003cp data-start=\"3133\" data-end=\"3272\"\u003e\u003cstrong data-start=\"3133\" data-end=\"3172\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3172\" data-end=\"3175\"\u003eOEM ensures the right dimensions, sealing surfaces, and durability tested by Mercury engineers.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438516003,"sku":"46-48748A1","price":38.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/48748A1_Main.jpg?v=1760631147"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/collections\/Mercury-Thermostats---Water-Pump-Repair---Cooling-Hero.jpg?v=1697206207","url":"https:\/\/partsvu.com\/en-au\/collections\/mercury-outboard-thermostats-water-pump-repair-cooling.oembed?page=6","provider":"PartsVu","version":"1.0","type":"link"}