{"title":"Mercury Quicksilver Outboard Engine Oil","description":"\u003ch2\u003e\u003cstrong\u003eMercury Quicksilver Marine Engine Oil Resources and Information\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePartsVu.com is happy to offer a wide selection of certified Mercury and Quicksilver marine engine oil to match the exact specifications of your Mercury outboard engine. If you need assistance servicing your Mercury outboard, follow along with these helpful guides over on our blog: \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercury-4-stroke-outboard-100-hour-service-step-3-fuel-system\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury fuel system 100-hour service\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/guide-to-mercury-marine-precision-oils-lubricants\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGuide to Mercury Marine Precision Oils and Lubricants\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eBrowse the rest of our complete selection of \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, or shop our list of \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-lubricants-oils-and-additives\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury lubes, oils, and additives\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e categories, including: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-precision-lubricant-and-engine-oil\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Precision Lubricants Engine Oil\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-marine-gear-lube-power-trim-fluid\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Marine Gear Lube \u0026amp; Power Trim Fluid\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-quicksilver-corrosion-inhibitors-grease\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Corrosion Inhibitors \u0026amp; Grease\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-fuel-additives-fogging-oils\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Marine Fuel Additives \u0026amp; Fogging Oils\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-quicksilver-outboard-engine-oil\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver Marine Engine Oil\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-quicksilver-marine-fuel-additives-fogging-oils\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver Marine Fuel Additives \u0026amp; Fogging Oil\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\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\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/mercury-outboard-engine-oil-capacities-and-oil-filter-chart\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard Specs \u0026amp; Capacities Chart\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/download-mercury-100-hour-maintenance-guides?___store=default\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard 100-hour Service Guides\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eMercury Quicksilver Outboard Engine Oil FAQ\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\n\u003cstrong\u003eHow do I \u003c\/strong\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercury-4-stroke-oil-change-100-hour-service-step-1\"\u003e\u003cstrong\u003echange my Mercury 4-stroke outboard engine oil\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e?\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eAs the old oil is draining, you can work on removing the engine oil filter. Depending on your specific Mercury model, your filter may have a drain lip that helps to keep the mess to a minimum when you unscrew the old filter. However, most older engines do not have this feature. We suggest being prepared with plenty of absorbent rags or placing a small cup that is cut to size below the filter before removal. Using a\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/products\/yamaha-mercury-marine-oil-filter-wrench-fits-yamaha-3fv-5gh-and-mercury-822626k03-8m0065104-8m0065103-oil-filters?amp%3Bitm_campaign=mercury-oil-filter-wrench-pvmtc002\u0026amp;amp%3Bitm_medium=in-text\u0026amp;itm_source=blog-mercury-4-stroke-oil-change-100-hour-service-step-1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e PartsVu Maintenance Essentials filter wrench\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e is the best way to loosen the filter. Remember when you reinstall the filter, over-tightening will only make your life more difficult when you are ready for the next service. Some technicians puncture the old filter allowing trapped oil to drain back into the block before removal, but this will ruin your ability to take the filter apart for further inspection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eSeveral laboratories provide performance testing of used oils, allowing you to learn more about the health of your engine. Blackstone Labs is one such provider, and they have a convenient\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/products\/blackstone-laboratories-oil-analysis-kit-engine-or-transmission-oil-testing?amp%3Bitm_campaign=blackstone-oil-analysis-kit-pva00001\u0026amp;amp%3Bitm_medium=in-text\u0026amp;itm_source=blog-mercury-4-stroke-oil-change-100-hour-service-step-1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e mail-in kit\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e that includes everything you need to submit an oil sample. They can also test gear oils, hydraulic fluids, and oils from your other vehicles or toys. Oil test results can tip you off to an accelerated wear condition inside of your engine long before any other symptoms show up. If you still want to know more about your engine, purchase an oil filter cutter and open the spent filter to look for evidence of contamination and metal dust or shavings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOnce you have inspected your spent oil and filter, set them aside for proper disposal. If you removed the drain screw to empty your oil, carefully reinstall the drain plug. The new oil filter should be removed from its package and the o-ring lubricated with a thin coat of fresh engine oil. Spin on the new oil filter and gently tighten to seat the o-ring without over-torquing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Marine offers a wide assortment of engine oil – both in blend and viscosity. If you are uncertain as to which oil is best for your application, consult your owners’ manual. Loosen the yellow oil fill plug on the top of the engine and pour in fresh oil. We recommend adding slightly less than the stated capacity. With the engine trimmed down, check the oil level on the dipstick after allowing a few minutes for the oil to drain into the oil pan properly. Filling the oil to the lower level on the dipstick will help you to measure if the oil level changes over time with the engine in operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eHow do I change my \u003c\/strong\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercury-2-stroke-oil-service-100-hour-service-step-1\"\u003e\u003cstrong\u003eMercury 2-stroke outboard engine oil\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e?\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eEngine oil selection is critical to long life, so review the information in your owner’s manual to make certain you are using the correct products. Not all TCW3 oils are formulated the same, and different Mercury models do prefer specific oils. Mercury Marine offers a wide assortment of engine oil – both in blend and additives. If you are uncertain exactly which oil is best for your application, consult your owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you do locate contamination in the oil tank, use a vacuum extractor to pull the remaining oil out of the tank for proper disposal. While good quality two-stroke oil is certainly expensive, running contaminated oil can lead to catastrophic failure. If you have never cleaned the bottom of your tank, prepare to be surprised by what you find.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eSeveral laboratories provide performance testing of used oils, allowing you to learn more about the health of your engine.\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/products\/blackstone-laboratories-oil-analysis-kit-engine-or-transmission-oil-testing\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e Blackstone Labs is one such provider\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, and they have a convenient mail-in kit that includes everything you need to submit an oil sample. They can also test gear oils, hydraulic fluids, and oils from your other vehicles or toys. Oil test results can tip you off to an accelerated wear condition inside of your engine long before any other symptoms show up. If you still want to know more about your engine, purchase an oil filter cutter and open the spent filter to look for evidence of contamination and metal dust or shavings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eHow do I \u003c\/strong\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/the-best-products-to-protect-your-mercury-outboard\"\u003e\u003cstrong\u003eprotect my Mercury outboard motor\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e?\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCover it with\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/?q=mercury%20corrosion%20guard\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e Corrosion Guard.\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e This rust inhibitor forms a water-resistant barrier on both painted and unpainted surfaces. We recommend using it at every service interval with a liberal application to all metal engine surfaces. You can also use it on outdrives, \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 units\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, and power trim motors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe marine environment is one of the harshest on the planet. This is why protecting your boat from corrosion is extremely important. For premium defense against rust, we highly recommend this product.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIn order to maximize your engine’s performance, use this complete fuel treatment at every fill-up with any grade of gasoline.\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/?q=Mercury%20Quickare\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e Quickare\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e is an excellent defense against the problems associated with ethanol-blended fuels, including its corrosive effects on metals as well as the gum and varnish that result from fuel oxidation. See PartsVu’s Knowledge Center for\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/ethanol-gasoline-why-is-it-a-problem\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e our article\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e on the problems of ethanol gasoline.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThis product can also be used to clean up existing deposits in untreated fuel lines, tanks, carburetors, injectors, intake valves, and spark plugs. It will keep your fuel fresh for up to three months and can be used in all 2 and 4 cycle carbureted and fuel-injected gasoline engines. Use one ounce to treat every 10 gallons of fuel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eHow do I \u003c\/strong\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/how-to-check-hours-on-a-mercury-outboard\"\u003e\u003cstrong\u003echeck the hours\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e on my Mercury outboard motor?\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo access a Mercury outboard’s computer memory, you will need to visit an authorized Mercury outboard dealer. The dealer will have the necessary computer software and the cable to plug the shop’s laptop into your outboard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eA dealer might charge you for 30 minutes or so of labor to run a diagnostic scan, but if you are buying a used \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-marine-outboard-motors\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury outboard motor\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, this investment is well worth it. However, if you are negotiating to buy the motor from a dealer, the dealer should be glad to give you a diagnostics report for no charge.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo access a Mercury outboard’s computer memory, you will need to visit an authorized Mercury outboard dealer. The dealer will have the necessary computer software and the cable to plug the shop’s laptop into your outboard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eA dealer might charge you for 30 minutes or so of labor to run a diagnostic scan, but if you are buying a used Mercury outboard, this investment is well worth it. However, if you are negotiating to buy the motor from a dealer, the dealer should be glad to give you a diagnostics report for no charge.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow many hours will a Mercury outboard last?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eWhy all of the discussion about Mercury outboard engine hours? The question of how many hours a Mercury outboard is expected to last is at the heart of the matter. Whether you are trying to plan how long before you probably have to buy a new outboard or working to determine the fair value for either a used outboard you are selling or considering purchasing, projecting how long engines last is critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe question of how long a Mercury outboard will last includes a lot of “it depends.” The reality is, a\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/mercury-maintenance-schedule?amp%3Bitm_campaign=mercury-maintenance-schedule\u0026amp;amp%3Bitm_medium=in-text\u0026amp;itm_source=blog-how-to-check-hours-on-a-mercury-outboard\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e well-maintained Mercury outboard\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e will last a long, long time. Also, even with proper maintenance, some types of engine usage are just harder on the engine. For example, if a Mercury outboard experiences long periods of wide-open throttle, extended periods of trolling, or load weight is commonly higher than recommended, service intervals need to be more frequent, and overall engine life will likely be shorter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is the difference between 25w-40 and 10w-30 oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe main difference between 25w-40 motor oil and 10w-30 motor oil is their viscosity characteristics. Viscosity is the measure of a fluid's resistance to flow, and it is often described using a numerical grading system that indicates the oil's ability to flow in different temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003e25w-40 oil has a higher viscosity than 10w-30 oil. The first number, 25w, represents the oil's viscosity at low temperatures, while the second number, 40, represents the oil's viscosity at high temperatures. The \"w\" stands for \"winter,\" and it indicates the oil's cold temperature performance. In this case, 25w-40 oil has a thicker consistency at low temperatures, providing better cold-start protection, while the higher 40 weight provides better protection against high-temperature engine wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOn the other hand, 10w-30 oil has a lower viscosity than 25w-40 oil, and it is a popular choice for general-purpose use. The 10w indicates that the oil has a thinner consistency at low temperatures, allowing it to flow more easily during cold starts, while the 30 weight provides adequate protection at high temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat happens if I use Quicksilver 25w-40 marine engine oil instead of Quicksilver 10w30 4 stroke marine oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you use Quicksilver 25w-40 marine engine oil instead of Quicksilver 10w30 4 stroke marine oil, it is unlikely to cause any serious harm to your engine, but it may affect its performance and longevity over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe main difference between the two types of oil is their viscosity or thickness. Quicksilver 10w30 4 stroke marine oil has a thinner viscosity than Quicksilver 25w-40 marine engine oil. The thinner oil is recommended for use in colder temperatures, while the thicker oil is recommended for use in warmer temperatures or in high-performance engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eUsing a thicker oil like Quicksilver 25w-40 in a cooler environment may result in increased engine wear due to poor lubrication. It may also cause the engine to operate at a higher temperature, which can result in reduced fuel efficiency and increased emissions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOn the other hand, using a thinner oil like Quicksilver 10w30 in a warmer environment or in a high-performance engine may cause the oil to break down more quickly, reducing its effectiveness at lubricating and protecting engine components.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs 4 cycle the same as 4 stroke?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eYes, \"4 cycle\" and \"4 stroke\" are often used interchangeably to refer to the same type of internal combustion engine. Both terms describe an engine that completes a full combustion cycle in four strokes or movements of the piston: intake, compression, power, and exhaust.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat is Quicksilver marine oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver marine oil is a type of engine oil specifically designed for use in marine engines. It is manufactured by Quicksilver, a well-known brand that produces a range of marine products and accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver oil is designed to provide optimal performance and protection for marine engines in a variety of conditions. It is formulated to resist the harsh marine environment, including high temperatures, humidity, and saltwater. Quicksilver boat oil contains special additives and detergents that help prevent engine deposits and sludge buildup, ensuring clean and efficient engine operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver offers a variety of marine oil formulations, including synthetic blends, full synthetic, and conventional oils, all specifically designed for different types of marine engines and applications. Some of their Quick silver oil products are also formulated to meet industry standards and requirements, such as NMMA FC-W certification for four-stroke marine engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOverall, Quick silver marine oil is a high-quality engine oil that provides excellent performance and protection for marine engines, helping to extend engine life and maintain optimal performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan I use Quicksilver 4 stroke oil in a 2-stroke outboard engine?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eNo, it is not recommended to use Quicksilver 4 stroke oil in a 2-stroke outboard engine. Quicksilver 4 stroke oil is specifically formulated for use in 4-stroke marine engines, which operate differently from 2-stroke engines and have different lubrication requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIn a 4-stroke engine, the oil is used to lubricate various internal components, including the piston rings, bearings, and valve train. In contrast, a 2-stroke engine requires oil to be mixed with the fuel to lubricate the internal parts of the engine, such as the piston and cylinder walls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eUsing Quicksilver 4 stroke oil in a 2-stroke engine can lead to inadequate lubrication, causing engine damage or failure. It can also result in excessive deposits and carbon buildup in the engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo ensure optimal performance and protection for your 2-stroke outboard engine, it is important to use a high-quality 2-stroke oil that is specifically formulated for marine applications. Quicksilver produces a range of 2-stroke marine oils that are designed to meet the needs of different types of engines and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan I use 4 stroke motorcycle oil in high performance marine engines?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eNo, it is not recommended to use 4 stroke motorcycle oil in high-performance marine engines. While both motorcycle and marine engines are 4-stroke engines, they have different lubrication requirements due to the differences in operating conditions and loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMarine engines, especially high-performance ones, operate under more severe conditions than motorcycle engines. They are exposed to harsher environments, such as high temperatures, high humidity, and saltwater. They also operate at higher speeds and loads for extended periods of time, placing greater stress on the engine components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMarine engines require specially formulated oils that can provide superior protection against corrosion, wear, and deposits in the harsh marine environment. Marine oils contain specific additives and detergents that help protect the engine components, maintain clean operation, and provide better lubrication in high-load conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eUsing motorcycle oil in a marine engine can lead to inadequate protection and lubrication, resulting in engine damage or failure. It can also cause excessive deposits and carbon buildup in the engine, reducing its performance and efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo ensure optimal performance and protection for high-performance marine engines, it is important to use a high-quality marine oil that is specifically formulated for marine applications. Quicksilver, for example, produces a range of high-performance marine oils that are designed to meet the needs of different types of marine engines and operating conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eShould I drain the oil for boat motor winterization?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eYes, it is generally recommended to drain the oil as part of the winterization process for a boat motor. This is because any moisture or contaminants that may have accumulated in the oil during the boating season can cause corrosion or other damage to the engine if left sitting in the engine over the winter months.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eHere are some general steps for winterizing a boat motor that includes draining the oil:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003col\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFirst, run the engine for a few minutes to warm up the oil and make it easier to drain.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eTurn off the engine and disconnect the battery to prevent any electrical activity while working on the engine.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePlace a container or pan underneath the oil drain plug or valve and remove the plug\/valve to allow the oil to drain out completely.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eOnce all the oil has drained out, replace the drain plug\/valve and add a small amount of fresh oil to the engine to help protect and lubricate internal components.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemove and replace the oil filter, if applicable.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\n\u003cspan style=\"font-weight: 400;\"\u003eDepending on the type of engine and manufacturer recommendations, you may also want to add a fuel stabilizer to the \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-fuel-oil-system-components\"\u003e\u003cspan style=\"font-weight: 400;\"\u003efuel system\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, flush the cooling system, and add antifreeze to prevent freeze damage.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eBy following these steps and draining the oil as part of the winterization process, you can help protect your boat motor and ensure it is ready to go when you're back on the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's the shelf life of Quicksilver 4 stroke outboard motor oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver, a manufacturer of marine oils, recommends that their 4-stroke outboard motor oils be used within 5 years of the manufacture date for optimal performance. After this period, the oil may begin to degrade and lose its effectiveness, particularly if it has been exposed to extreme temperatures, moisture, or air.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo determine the manufacture date of Quicksilver 4 stroke motor oil, you can look for the alphanumeric code on the container. The first two characters represent the month, while the next two characters represent the year of manufacture. For example, if the code is \"0619,\" it indicates that the oil was manufactured in June 2019.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIt's also important to store the oil properly to help maintain its quality and extend its shelf life. Quicksilver recommends storing their motor oils in a cool, dry place with a temperature range of 40-100°F (4-38°C) and keeping the container tightly sealed to prevent moisture and air from entering. Avoid storing the oil near heat sources or in direct sunlight, as this can cause the oil to degrade more quickly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow can I reuse used boat motor oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIt is not recommended to reuse used boat engine oil because it may contain contaminants and impurities that can damage your engine. Used oil can contain metal shavings, dirt, water, and other harmful substances that can lead to engine wear and tear, reduced performance, and decreased engine life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eHowever, used boat motor oil can be recycled and reused in an environmentally-friendly manner. Recycling used oil involves filtering and refining the oil to remove contaminants and impurities, restoring it to a usable state. The recycled oil can be used for various purposes such as heating, asphalt production, and lubricating industrial machinery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo recycle used boat motor oil, you can take it to a local collection center or a recycling facility that accepts used oil. Some automotive supply stores also accept used oil for recycling. It is important to follow proper handling and disposal procedures when dealing with used oil to prevent environmental pollution and contamination.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIn summary, while it is not recommended to reuse used boat motor oil, it can be recycled and repurposed in an environmentally-friendly manner.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhere can I learn more about Mercury outboard engine oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\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\n\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 Quicksilver motor oil (including “Where to find marine oil near me”).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo get you off to a good start, these are some of the most popular articles on PartsVu:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/guide-to-mercury-marine-precision-oils-lubricants\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGuide to Mercury Marine Precision Oils \u0026amp; Lubricants\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercury-4-stroke-oil-change-100-hour-service-step-1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury 4-Stroke Oil Change - 100-hour Service\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercury-outboard-fuel-additives-for-high-performance-and-long-engine-life\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Fuel Additives for Performance and Engine Life\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/the-best-products-to-protect-your-mercury-outboard\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHow To Protect Your Mercury Outboard\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003els marine engine failure more common with Quicksilver 25w 40 oil or OEM Mercury 25w 40 oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThere is no evidence to suggest that engine failure is more common with Quicksilver oil 25W-40 or OEM Mercury 25W-40 oil. Both oils are formulated to meet the same performance specifications and are designed to provide excellent engine protection and performance. The choice between these two oils usually depends on personal preference, availability, and cost. It is essential to follow the manufacturer's recommendations for oil type and change intervals to maintain optimal engine performance and longevity. Additionally, proper maintenance practices, such as regular \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-marine-four-stroke-outboard-oil-change-kits\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eoil changes\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, inspection of components, and using quality parts and fluids, can help prevent engine failures and extend the life of the engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow does Quicksilver 25w 40 synthetic blend compare to regular Quicksilver 25w 40 4 stroke marine oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver 25W-40 Synthetic Blend and Quicksilver 25W-40 4-Stroke Marine Oil are both designed for use in 4-stroke marine engines, including inboard, outboard, and stern-drive engines. However, they differ in their composition and performance characteristics.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver 25W40 Synthetic Blend is a mixture of conventional and synthetic base oils that provides improved wear protection, corrosion resistance, and thermal stability compared to conventional oils. It is designed to offer enhanced performance in a wide range of operating conditions, including high-stress and high-temperature situations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eQuicksilver 25W-40 4-Stroke Marine Oil, on the other hand, is a conventional mineral-based oil that provides excellent engine protection in normal operating conditions. It meets or exceeds the manufacturer's specifications and provides excellent wear protection, corrosion resistance, and engine cleanliness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIn general, synthetic blend oils tend to offer better performance characteristics than conventional oils, but at a higher price point.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat does the \"SAE \"mean for Quicksilver SAE 25w-40 oil?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThe \"SAE\" in Quicksilver SAE 25W-40 oil stands for the Society of Automotive Engineers, which is an international organization that sets standards for various aspects of the automotive and related industries. The SAE has established standards for viscosity, which is a measure of an oil's resistance to flow. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eMarine environments are some of the harshest environments in which to operate an engine. PartsVu stocks a wide selection of Mercury and Quicksilver outboard engine oil to match the exact specifications of your Mercury outboard motor.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"quicksilver-synthetic-blend-25w40-oil-92-8m0078623","title":"Mercury – 25W-40 Synthetic Blend Oil | Four-Stroke Engine Protection | 8M0078623","description":"\u003cp data-start=\"0\" data-end=\"84\"\u003e\u003cstrong data-start=\"0\" data-end=\"84\"\u003eMercury – 25W-40 Synthetic Blend Oil | Four-Stroke Engine Protection | 8M0078623\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"86\" data-end=\"89\"\u003e\n\u003ch3 data-start=\"91\" data-end=\"105\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"106\" data-end=\"543\"\u003eThis 25W-40 synthetic blend is the kind of oil most boaters keep on the shelf because it helps a four-stroke run smoother and last longer. It handles those long days when the engine stays warm for hours, and it doesn’t break down as quickly as lighter blends. Fresh oil like this usually quiets the motor a bit and gives it an easier, more relaxed feel. It’s a steady choice for anyone doing routine service on an outboard or sterndrive.\u003c\/p\u003e\n\u003chr data-start=\"545\" data-end=\"548\"\u003e\n\u003ch3 data-start=\"550\" data-end=\"568\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"569\" data-end=\"963\"\u003e • \u003cstrong data-start=\"572\" data-end=\"597\"\u003eFour-Stroke Formula –\u003c\/strong\u003e Blended for the everyday demands of marine engines.\u003cbr data-start=\"649\" data-end=\"652\"\u003e • \u003cstrong data-start=\"655\" data-end=\"687\"\u003eSynthetic Blend Protection –\u003c\/strong\u003e Helps reduce wear and fights internal corrosion.\u003cbr data-start=\"736\" data-end=\"739\"\u003e • \u003cstrong data-start=\"742\" data-end=\"764\"\u003eStable Viscosity –\u003c\/strong\u003e Holds up during warm operating temps and long runs.\u003cbr data-start=\"816\" data-end=\"819\"\u003e • \u003cstrong data-start=\"822\" data-end=\"840\"\u003e25W-40 Grade –\u003c\/strong\u003e Good balance for cold starts and higher-load cruising.\u003cbr data-start=\"895\" data-end=\"898\"\u003e • \u003cstrong data-start=\"901\" data-end=\"924\"\u003eOne-Gallon Bottle –\u003c\/strong\u003e The right amount for most oil changes.\u003c\/p\u003e\n\u003chr data-start=\"965\" data-end=\"968\"\u003e\n\u003ch3 data-start=\"970\" data-end=\"1003\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1004\" data-end=\"1130\"\u003e • Marine four-stroke engines\u003cbr data-start=\"1033\" data-end=\"1036\"\u003e • Outboard lubrication systems\u003cbr data-start=\"1067\" data-end=\"1070\"\u003e • Sterndrive lubrication systems\u003cbr data-start=\"1103\" data-end=\"1106\"\u003e • High-rpm marine use\u003c\/p\u003e\n\u003chr data-start=\"1132\" data-end=\"1135\"\u003e\n\u003ch3 data-start=\"1137\" data-end=\"1175\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1176\" data-end=\"1576\"\u003eOnce you change the oil, the engine usually settles into a cleaner idle and responds more naturally when you ease into the throttle. It helps keep temps in check, which makes the whole boat feel more relaxed on longer trips. You’re less likely to hear that dry, stressed tone older oil can cause. Over time, using a dependable blend like this keeps wear down and helps the motor hold its performance.\u003c\/p\u003e\n\u003chr data-start=\"1578\" data-end=\"1581\"\u003e\n\u003ch3 data-start=\"1583\" data-end=\"1600\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1601\" data-end=\"1903\"\u003eOEM oil is mixed around what Mercury engines are designed to work with, so the pressure, flow, and temperature behavior stay consistent. It’s built for real marine use—heat, moisture, and modern fuels—so you know the engine is getting the right protection. It just lines up with what the motor expects.\u003c\/p\u003e\n\u003chr data-start=\"1905\" data-end=\"1908\"\u003e\n\u003ch3 data-start=\"1910\" data-end=\"1919\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"1920\" data-end=\"2056\"\u003e\u003cstrong data-start=\"1920\" data-end=\"1971\"\u003eQ1: When should I think about changing the oil?\u003c\/strong\u003e\u003cbr data-start=\"1971\" data-end=\"1974\"\u003eIf the oil looks dark, smells burnt, or you’re near your service hours, it’s time.\u003c\/p\u003e\n\u003cp data-start=\"2058\" data-end=\"2145\"\u003e\u003cstrong data-start=\"2058\" data-end=\"2090\"\u003eQ2: Do I need any additives?\u003c\/strong\u003e\u003cbr data-start=\"2090\" data-end=\"2093\"\u003eNo—this oil already has the blend your engine needs.\u003c\/p\u003e\n\u003cp data-start=\"2147\" data-end=\"2268\"\u003e\u003cstrong data-start=\"2147\" data-end=\"2193\"\u003eQ3: How well does it hold up in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2193\" data-end=\"2196\"\u003eIt’s made with corrosion protection meant for routine saltwater running.\u003c\/p\u003e\n\u003cp data-start=\"2270\" data-end=\"2398\"\u003e\u003cstrong data-start=\"2270\" data-end=\"2311\"\u003eQ4: Any tips for cleaner oil changes?\u003c\/strong\u003e\u003cbr data-start=\"2311\" data-end=\"2314\"\u003eWarm the motor a bit first; warm oil drains smoother and brings more debris with it.\u003c\/p\u003e\n\u003cp data-start=\"2400\" data-end=\"2548\"\u003e\u003cstrong data-start=\"2400\" data-end=\"2455\"\u003eQ5: What happens when the oil starts breaking down?\u003c\/strong\u003e\u003cbr data-start=\"2455\" data-end=\"2458\"\u003eYou may notice a rough idle, warmer temps, or a dull ticking sound as the engine loads up.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626528170275,"sku":"92-8M0078623","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078623.jpg?v=1698786158"},{"product_id":"quicksilver-4-stroke-25w40-synthetic-blend-marine-engine-oil-quart-92-8m0078622","title":"Mercury – 25W-40 Synthetic Blend Marine Oil, 1 Qt. | Lubrication | 92-8M0078622","description":"\u003cp data-start=\"0\" data-end=\"79\"\u003eMercury – 25W-40 Synthetic Blend Marine Oil, 1 Qt. | Lubrication | 92-8M0078622\u003c\/p\u003e\n\u003chr data-start=\"81\" data-end=\"84\"\u003e\n\u003ch3 data-start=\"86\" data-end=\"100\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"101\" data-end=\"614\"\u003eFour-stroke marine engines don’t live an easy life. They idle forever, then jump straight into hard throttle, all while dealing with heat, humidity, and salt air. That’s why the oil you run really matters. This 25W-40 synthetic blend is the kind of oil most mechanics keep on the bench—it hangs onto internal parts, stays stable when the engine gets hot, and gives the motor a smoother, easier feel. If you want your outboard or sterndrive to stay healthy for the long haul, clean oil like this is the foundation.\u003c\/p\u003e\n\u003chr data-start=\"616\" data-end=\"619\"\u003e\n\u003ch3 data-start=\"621\" data-end=\"639\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"640\" data-end=\"1033\"\u003e • \u003cstrong data-start=\"643\" data-end=\"675\"\u003eMade for 4-Stroke Marine Use\u003c\/strong\u003e – Works in both outboards and sterndrives.\u003cbr data-start=\"718\" data-end=\"721\"\u003e • \u003cstrong data-start=\"724\" data-end=\"751\"\u003eSynthetic Blend Formula\u003c\/strong\u003e – Helps fight corrosion and everyday wear.\u003cbr data-start=\"794\" data-end=\"797\"\u003e • \u003cstrong data-start=\"800\" data-end=\"830\"\u003eHolds Viscosity Under Load\u003c\/strong\u003e – Stays consistent during long runs and hot weather.\u003cbr data-start=\"883\" data-end=\"886\"\u003e • \u003cstrong data-start=\"889\" data-end=\"906\"\u003e25W-40 Weight\u003c\/strong\u003e – The viscosity Mercury designed many of their motors around.\u003cbr data-start=\"968\" data-end=\"971\"\u003e • \u003cstrong data-start=\"974\" data-end=\"992\"\u003e1-Quart Bottle\u003c\/strong\u003e – Easy to store for mid-season top-offs.\u003c\/p\u003e\n\u003chr data-start=\"1035\" data-end=\"1038\"\u003e\n\u003ch3 data-start=\"1040\" data-end=\"1073\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1074\" data-end=\"1185\"\u003e • 4-stroke outboards\u003cbr data-start=\"1095\" data-end=\"1098\"\u003e • 4-stroke sterndrives\u003cbr data-start=\"1121\" data-end=\"1124\"\u003e • FC-W rated systems\u003cbr data-start=\"1145\" data-end=\"1148\"\u003e • FC-W catalyst-compatible engines\u003c\/p\u003e\n\u003chr data-start=\"1187\" data-end=\"1190\"\u003e\n\u003ch3 data-start=\"1192\" data-end=\"1230\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1231\" data-end=\"1552\"\u003eYou’ll usually notice the engine sounding smoother after an oil change with this blend. Cold starts settle in quicker, and the motor hangs onto its power better during long days on the water because the oil doesn’t thin out when things heat up. It also helps keep the internals cleaner, which means fewer surprises later.\u003c\/p\u003e\n\u003chr data-start=\"1554\" data-end=\"1557\"\u003e\n\u003ch3 data-start=\"1559\" data-end=\"1576\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1577\" data-end=\"1852\"\u003eMercury blends this oil for the specific stresses their engines face—moisture, long idle times, sudden throttle swings, and heat that just doesn’t quit. Automotive oils aren’t made for that. With OEM, you know the oil will protect the engine exactly the way Mercury intended.\u003c\/p\u003e\n\u003chr data-start=\"1854\" data-end=\"1857\"\u003e\n\u003ch3 data-start=\"1859\" data-end=\"1868\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"1869\" data-end=\"2007\"\u003e\u003cstrong data-start=\"1869\" data-end=\"1910\"\u003eQ1: How often should I change my oil?\u003c\/strong\u003e\u003cbr data-start=\"1910\" data-end=\"1913\"\u003e\u003cstrong data-start=\"1913\" data-end=\"1919\"\u003eA:\u003c\/strong\u003e Most boaters do it every season or as soon as they hit their recommended service hours.\u003c\/p\u003e\n\u003cp data-start=\"2009\" data-end=\"2130\"\u003e\u003cstrong data-start=\"2009\" data-end=\"2051\"\u003eQ2: Can this be mixed with other oils?\u003c\/strong\u003e\u003cbr data-start=\"2051\" data-end=\"2054\"\u003e\u003cstrong data-start=\"2054\" data-end=\"2060\"\u003eA:\u003c\/strong\u003e Best to stick with one type and weight to keep protection consistent.\u003c\/p\u003e\n\u003cp data-start=\"2132\" data-end=\"2245\"\u003e\u003cstrong data-start=\"2132\" data-end=\"2171\"\u003eQ3: Is this safe for saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"2171\" data-end=\"2174\"\u003e\u003cstrong data-start=\"2174\" data-end=\"2180\"\u003eA:\u003c\/strong\u003e Yes—its corrosion inhibitors are designed for salt and humidity.\u003c\/p\u003e\n\u003cp data-start=\"2247\" data-end=\"2368\"\u003e\u003cstrong data-start=\"2247\" data-end=\"2282\"\u003eQ4: Does this help cold starts?\u003c\/strong\u003e\u003cbr data-start=\"2282\" data-end=\"2285\"\u003e\u003cstrong data-start=\"2285\" data-end=\"2291\"\u003eA:\u003c\/strong\u003e It does—the synthetic blend clings better, so the engine isn’t starting dry.\u003c\/p\u003e\n\u003cp data-start=\"2370\" data-end=\"2535\"\u003e\u003cstrong data-start=\"2370\" data-end=\"2406\"\u003eQ5: Why not run regular car oil?\u003c\/strong\u003e\u003cbr data-start=\"2406\" data-end=\"2409\"\u003e\u003cstrong data-start=\"2409\" data-end=\"2415\"\u003eA:\u003c\/strong\u003e Marine engines deal with loads and moisture that car engines never see. Car oil breaks down faster in those conditions.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626531643683,"sku":"92-8M0078622","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0078622_1.jpg?v=1761747397"},{"product_id":"quicksilver-4-stroke-25w40-marine-engine-oil-gallon-92-8m0078620","title":"Quicksilver 4-Stroke 25W40 Marine Engine Oil - Gallon - 92-8M0078620","description":"\u003cp\u003eQuicksilver's 4\"‘Stroke oil technology outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines. The mineral 4\"‘Stroke oil is also now approved for use in all Outboard Engines; previously only our synthetic blend could make this claim.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFor use in all 4\"‘Stroke Marine Engines \"‘New formula 4\"‘Stroke oils are engineering approved for use in certain marine 4\"‘Stroke Outboard applications and exceeds all Marine industry 4\"‘Stroke oil requirements including FC\"‘W and FC\"‘W Catalyst Compatible. In addition, all 10W30 \u0026amp; 25W40 oils are now fully F\"‘W Catalyst Compatiable.\u003c\/li\u003e \u003cli\u003eFlagship Engine and Corrosion Protection \"‘Industry leading strength and viscosity retention and ultimate corrosion and wear protection.\u003c\/li\u003e \u003cli\u003eThe most recommended Marine Oil \"‘Over 5 years of engineering and development by the largest marine engine manufacturer in the world.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626540097827,"sku":"92-8M0078620","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0078620.jpg?v=1761747375"},{"product_id":"quicksilver-4-stroke-10w30-marine-engine-oil-quart-92-8m0078616","title":"Mercury – 10W-30 Marine Oil | Four-Stroke Engine Lubrication | 92-8M0078616","description":"\u003cp data-start=\"0\" data-end=\"79\"\u003e\u003cstrong data-start=\"0\" data-end=\"79\"\u003eMercury – 10W-30 Marine Oil | Four-Stroke Engine Lubrication | 92-8M0078616\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"81\" data-end=\"84\"\u003e\n\u003ch3 data-start=\"86\" data-end=\"100\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"101\" data-end=\"524\"\u003eThis quart of 10W-30 is a straightforward option for routine service on four-stroke marine engines. It’s blended for how boats actually get used—long idle times, warm cruising, and plenty of moisture hanging around the powerhead. Fresh oil helps these motors settle into a smoother idle and run a little cleaner when you roll into the throttle. Nothing complicated about it, just a solid marine-grade oil that does its job.\u003c\/p\u003e\n\u003chr data-start=\"526\" data-end=\"529\"\u003e\n\u003ch3 data-start=\"531\" data-end=\"549\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"550\" data-end=\"972\"\u003e • \u003cstrong data-start=\"553\" data-end=\"583\"\u003eFour-Stroke Marine Blend –\u003c\/strong\u003e Works with outboards, sterndrives, and inboards.\u003cbr data-start=\"632\" data-end=\"635\"\u003e • \u003cstrong data-start=\"638\" data-end=\"671\"\u003eCorrosion \u0026amp; Wear Protection –\u003c\/strong\u003e Helps internal parts stay clean and resist moisture.\u003cbr data-start=\"724\" data-end=\"727\"\u003e • \u003cstrong data-start=\"730\" data-end=\"752\"\u003eStable Viscosity –\u003c\/strong\u003e Holds its weight well during long warmups and steady cruising.\u003cbr data-start=\"815\" data-end=\"818\"\u003e • \u003cstrong data-start=\"821\" data-end=\"840\"\u003e10W-30 Rating –\u003c\/strong\u003e Easy cold starts with dependable protection when hot.\u003cbr data-start=\"894\" data-end=\"897\"\u003e • \u003cstrong data-start=\"900\" data-end=\"922\"\u003eOne-Quart Bottle –\u003c\/strong\u003e Good for top-offs or smaller oil-capacity motors.\u003c\/p\u003e\n\u003chr data-start=\"974\" data-end=\"977\"\u003e\n\u003ch3 data-start=\"979\" data-end=\"1012\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1013\" data-end=\"1137\"\u003e • Four-stroke outboards\u003cbr data-start=\"1037\" data-end=\"1040\"\u003e • Four-stroke sterndrives\u003cbr data-start=\"1066\" data-end=\"1069\"\u003e • Four-stroke inboards\u003cbr data-start=\"1092\" data-end=\"1095\"\u003e • Engines calling for 10W-30 marine oil\u003c\/p\u003e\n\u003chr data-start=\"1139\" data-end=\"1142\"\u003e\n\u003ch3 data-start=\"1144\" data-end=\"1182\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1183\" data-end=\"1543\"\u003eAfter an oil change with this blend, the engine usually feels more settled—less chatter at idle and a smoother tone as it warms up. It helps keep moisture from creeping into the wrong places, which is something all boat motors battle. Over the season, it maintains a predictable feel, especially on motors that see a mix of slow trolling and long, steady runs.\u003c\/p\u003e\n\u003chr data-start=\"1545\" data-end=\"1548\"\u003e\n\u003ch3 data-start=\"1550\" data-end=\"1567\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1568\" data-end=\"1816\"\u003eMercury formulates this oil around the conditions their engines see day-to-day: heat, humidity, long idle periods, and today’s fuel blends. OEM oil keeps pressure and temperature behavior consistent so the motor operates the way it was designed to.\u003c\/p\u003e\n\u003chr data-start=\"1818\" data-end=\"1821\"\u003e\n\u003ch3 data-start=\"1823\" data-end=\"1832\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"1833\" data-end=\"1950\"\u003e\u003cstrong data-start=\"1833\" data-end=\"1870\"\u003eQ1: When should I change the oil?\u003c\/strong\u003e\u003cbr data-start=\"1870\" data-end=\"1873\"\u003eWhen it darkens, starts to smell burnt, or you’ve reached your hour interval.\u003c\/p\u003e\n\u003cp data-start=\"1952\" data-end=\"2047\"\u003e\u003cstrong data-start=\"1952\" data-end=\"1988\"\u003eQ2: Should I add anything to it?\u003c\/strong\u003e\u003cbr data-start=\"1988\" data-end=\"1991\"\u003eNo—this formula already covers marine four-stroke needs.\u003c\/p\u003e\n\u003cp data-start=\"2049\" data-end=\"2149\"\u003e\u003cstrong data-start=\"2049\" data-end=\"2085\"\u003eQ3: How does it do in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2085\" data-end=\"2088\"\u003eIt includes corrosion protection made for salty environments.\u003c\/p\u003e\n\u003cp data-start=\"2151\" data-end=\"2255\"\u003e\u003cstrong data-start=\"2151\" data-end=\"2189\"\u003eQ4: Any tips for cleaner draining?\u003c\/strong\u003e\u003cbr data-start=\"2189\" data-end=\"2192\"\u003eWarm the engine a bit first so the oil flows out more smoothly.\u003c\/p\u003e\n\u003cp data-start=\"2257\" data-end=\"2390\"\u003e\u003cstrong data-start=\"2257\" data-end=\"2315\"\u003eQ5: What happens if I stretch the oil change too long?\u003c\/strong\u003e\u003cbr data-start=\"2315\" data-end=\"2318\"\u003eThe motor may idle rough, run hotter, or wear out faster than it should.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626565099811,"sku":"92-8M0078616","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0078616_1.jpg?v=1761747298"},{"product_id":"quicksilver-synthetic-blend-25w50-oil-92-8m0053664","title":"Mercury – High Performance 4-Stroke Marine Engine Oil | Verado Series | Synthetic Blend | 8M0053664","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – High Performance 4-Stroke Marine Engine Oil | Verado Series | Synthetic Blend | 8M0053664\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 protected by the same oil trusted by boaters who push their rigs hard—hour after hour, tide after tide. That’s \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what you get with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver 25W-50 Synthetic Blend Marine Engine Oil 8M0053664\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. When you fire up your Mercury Verado or another high-performance four-stroke, you can feel the difference in how smoothly it settles into idle and how confidently it climbs through the power curve. It’s the kind of peace of mind that lets you focus on the horizon instead of worrying about what’s happening under the cowling.\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\"\u003eSAE 25W-50 synthetic blend designed for high-performance marine engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eExcellent wear and corrosion protection for extended engine life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaintains viscosity under heavy load and high heat\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eResists varnish buildup and sludge formation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eExceeds NMMA rust protection requirements for FC-W certification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds all major marine engine manufacturer warranty requirements\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-gallon container for fewer refills and easier service work\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGenuine Mercury Marine part number 8M0053664\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\"\u003eIdeal for Mercury Verado four-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for high-performance Mercury and Mariner engines requiring 25W-50 FC-W oil\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with MerCruiser sterndrive platforms using FC-W-rated lubricants\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerfect for offshore fishing boats, performance hulls, pontoons, bowriders, and bay boats\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 This oil isn’t just meeting a specification—\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for marine engines that se\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ee long runs, hard acceleration, heavy loads, and constant exposure to the elements. In real-world use, that means you’ll notice consistent oil pressure, a smoother idle, and a tighter overall feel when shif\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eting\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehrottling up. The synthetic blend stands up to heat without thinning out, keeping internal components protected whether you’re cruising steady or hammering across rough water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrosion re\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esistanc\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ee is another \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplace\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this formula \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eshines\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Marine engines live in humid, salty, ever-changing environments, and this oil helps shield the engine’s internals from moisture-related wear. Cleaner internals also mean fewer surprises at seasonal service time—less sludge, fewer deposits, and components that look healthier. For boaters who rack up a lot of hours or depend on their engines in remote waters, this level of protection makes a noticeable difference.\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 Treating your engine right starts with using the oil it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to run on. With a genuine \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, you’re getting a formula engineered specifically for Mercury’s high-performance platforms. That means no guesswork, no compromise, and no worrying about whether an aftermarket blend might lack the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e additives for corrosion or deposit control. It’s a long-term investment in reliability, easier maintenance, and keeping your engine performing like new season after season.\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 this oil 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 recommended\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for Mercury Verado outboards and other high-performance Mercury four-stroke engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it different from aftermarket oil?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s designed to Mercury’s exact OEM standards, offering superior wear and corrosion protection engineered specifically for marine environments.\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 oil?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s manual—if it calls for 25W-50 FC-W marine oil, this is the correct choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this be used in saltwater and freshwater engines?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, it delivers excellent protection in both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it easy to use for routine oil changes?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. The one-gallon jug is convenient for multi-quart fills and straightforward service work.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626569425187,"sku":"92-8M0053664","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0053664.jpg?v=1698786173"},{"product_id":"quicksilver-4-stroke-marine-engine-oil-high-performance-synthetic-blend-25w50-quart-92-8m0053662","title":"Mercury – High Performance 4-Stroke Engine Oil | Verado Series | Synthetic Blend | 8M0053662","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – High Performance 4-Stroke Engine Oil | Verado Series | Synthetic Blend | 8M0053662\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 If you run a high-performance Mercury engine, you already know how much trust matters. When you throttle up and feel that smooth surge as the boat lifts, you want to know your engine is protected from the inside out. That’s where the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0053662 25W-50 Synthetic Blend Marine Oil\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e earns its place in the boat. It delivers the kind of quiet confidence that comes from clean starts, steady oil pressure, and an engine that sounds just as strong at the end of the season as it did on day one.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Whether you’re running a long stretch offshore or easing back into the marina with family aboard, this oil brings a sense of calm you can feel in the helm.\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\"\u003eSAE 25W-50 synthetic blend formulated for high-performance marine engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProvides exceptional wear and corrosion protection for long engine life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMaintains viscosity under load and resists varnish and sludge buildup\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eExceeds rust protection requirements for NMMA certification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds all FC-W marine engine oil standards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-quart bottle for convenient storage and clean refills\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0053662\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\"\u003eRecommended for Mercury Verado four-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for other high-performance Mercury and Mariner four-stroke engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with many MerCruiser sterndrive applications requiring FC-W oil\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for fishing boats, offshore center consoles, pontoons, bowriders, and performance hulls\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 Running the right oil in a marine engine isn’t just about meeting specs—it’s about how your engine feels on the water.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e This 25W-50 blend offers a tight, protective film that stays stable even when you’re pushing hard in rough chop or high heat. The engine runs smoother, the idle stays steady, and you’ll notice fewer noisy moments that make you second-guess what’s happening under the cowling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIts strong resistance to sludge and varnish keeps internal components cleaner, which means quicker starts, more consistent throttle response, and better long-term reliability. The corrosion protection also makes a big difference for boaters who keep their engines in humid or salt-air environments. At the end of the season, you’ll see the payoff in cleaner oil drains and a healthier-looking engine interior.\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 Marine engines live a tough life, and using the wrong oil can shorten that life fast. This is where sticking with genuine \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine parts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is a smart call. Mercury engineers this oil specifically for their high-performance platforms, so it fits the needs of Verado and similar engines perfectly. You don’t have to worry about additives that don’t belong, or shortcuts in the blend that might affect wear or pressure. It’s simply designed to work right the first time, every time. For boaters who believe in taking care of their gear, OEM is the easiest choice to justify.\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 this oil fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s recommended for Mercury Verado outboards and other high-performance Mercury four-stroke engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: How is it better than aftermarket oils?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s formulated to Mercury’s exact engineering requirements, offering better corrosion resistance, viscosity stability, and internal cleanliness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know it’s correct for my motor?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s manual—if it specifies 25W-50 FC-W marine oil, this is the correct product.\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 applications?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. It protects equally well in both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it easy to use for regular oil changes?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. The one-quart bottle pours cleanly, and the oil works with standard marine oil change tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626569490723,"sku":"92-8M0053662","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0053662_1.jpg?v=1761746399"},{"product_id":"quicksilver-10w-30-full-synthetic-marine-engine-oil-gallon-92-8m0175781","title":"Mercury – Quicksilver 10W-30 Full Synthetic Marine Engine Oil | 4-Stroke Series | Full Synthetic | 8M0175781","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver 10W-30 Full Synthetic Marine Engine Oil | 4-Stroke Series | Full Synthetic | 8M0175781\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a certain comfort that settles in when your engine sounds exactly the way it should. No hesitation, no roughness — just that smooth, steady hum that tells you the day’s going to be a good one. Whether you’re running out to your favorite fishing spot or easing back toward the dock with the sun dropping behind you, having the right oil in your engine makes all the difference. Quicksilver 10W-30 Full Synthetic Marine Engine Oil gives you that dependable feeling every time you turn the key. It’s built to protect your engine when conditions change and the water doesn’t always play nice.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eK\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eey Features\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003enon-catalyzed 4-stroke outboards, sterndrives, and inboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFull synthetic formula with industry-leading viscosity retention\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eHigh levels of \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ezinc and phosphorous (ZDDP)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for exceptional wear protection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReduces deposit buildup and neutralizes harmful combustion byproducts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStrong defense against rust during long periods between uses\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eC\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eompatible with mineral and synthetic-blend 10W-30 oils\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUpgrade safe and meets warranty requirements of multiple major brands\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-gallon bottle for full oil changes or regular maintenance\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part supports:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eNon-catalyzed \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4-stroke outboards\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e from Mercury and other major manufacturers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSterndrive engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e operating in mixed-use environments\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInboards\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e that take on long idle periods and heavy load cycles\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBoats of all styles: fishing boats, pontoons, bay boats, cruisers, runabouts, and sport boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngines requiring a 10W-30 full synthetic oil that meets NMMA FC-W standards\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\"\u003eMarine engines work harder than most of us notice. They push heavy loads, face constant throttle changes, and deal with heat that builds fast and lingers even after shutdown. This full synthetic formula is made specifically for that lifestyle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’ll feel the difference in how clean the engine runs — smoother starts, more consistent throttle response, and fewer signs of strain after long runs. The elevated anti-wear additives protect the most critical parts, especially cam surfaces and bearings that rely on stable lubrication. Because the oil retains its viscosity so well, it keeps the engine protected during everything from trolling to wide-open-throttle sprints.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIts corrosion resistance shines during layups and inconsistent use. If your boat sits between weekends or over the off-season, the formula helps guard internal parts from moisture, rust, and oxidation. That means fewer surprises and a lot more confidence when you fire up for the season’s first trip.\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\"\u003eWhen it comes to marine engines, guessing isn’t a strategy. OEM-grade oil ensures you’re getting a product tested for the exact demands your engine faces. While some aftermarket oils claim compatibility, they often fall short with lower corrosion resistance, weaker viscosity retention, or limited high-heat stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver’s full synthetic oil is developed to Mercury Marine’s standards, meaning it’s engineered to fit the performance profile of modern marine engines. It’s reliable, predictable, and the kind of product you recommend to a friend without hesitation. Long-term upkeep becomes easier, and your engine gets what it needs without compromise.\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 engines does this oil fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits all non-catalyzed 4-stroke outboards, sterndrives, and inboards requiring 10W-30 oil.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: How is it better than aftermarket oils?\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 offers higher ZDDP protection, stronger viscosity retention, and marine-specific corrosion defense.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this oil is right for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s manual for 10W-30 full synthetic compatibility and FC-W requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is this suitable for both freshwater and saltwater use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. It’s formulated to handle corrosion challenges from either environment\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\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e As long as you can complete a normal oil change, using this oil is simple and direct.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933875687715,"sku":"92-8M0175781","price":57.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0175781_1.jpg?v=1761748885"},{"product_id":"quicksilver-10w-30-full-synthetic-marine-engine-oil-quart-92-8m0175780","title":"Mercury – Quicksilver  Full Synthetic Marine Engine Oil | 4-Stroke Series | Full Synthetic | 8M0175780","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver Full Synthetic Marine Engine Oil | 4-Stroke Series | Full Synthetic | 8M0175780\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAny boater who spends long days on open water knows the quiet confidence that comes from an engine that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e feels right.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It starts clean, runs \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmooth\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and never makes you second-guess your next run across the bay. That kind of trust doesn’t happen by accident — it comes from choosing the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e protection. Quicksilver 10W-30 Full Synthetic Marine Engine Oil gives that assurance every time you turn the key. Whether you’re cruising inland lakes or pushing through chop miles offshore, you’ll know your engine has the support it needs.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4-stroke outboard, sterndrive, and inboard marine engines\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFull\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e synthetic formula for high-stress marine environments\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDelivers \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eindustry-leading viscosity retention\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e among 10W-30 marine oils\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eHigh levels of \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ezinc and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ephosphorous\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e (ZDDP)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for outstanding wear protection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNeutralizes harmful combustion byproducts to reduce deposits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProvides strong rust and corrosion defense during intermittent use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSafe upgrade from mineral or synthetic-blend oils\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-quart bottle (32 oz.) for precise top-offs and service\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part is ideally suited for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAll non-catalyzed \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4-stroke outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInboard\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e engines \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexposed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to long idle periods and high-load conditions\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e operated in both freshwater and saltwater\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFishing boats, pontoons, cruisers, runabouts, and workboats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngines that require 10W-30 oil meeting NMMA FC-W standards\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\"\u003eMarine engines live a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etougher\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e life than their automotive cousins — constant load, fluctuating throttle, and conditions that can turn unpredictable \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efast\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. This \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efull\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e synthetic formula \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for that exact reality. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eholds\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e its viscosity \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethrough\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003erunning\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e hours, keeping the oil film strong so the engine feels tight, steady, and responsive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBecause it resists oxidation, you’ll notice fewer deposits and less varnish on internal surfaces. That means smoother operation, cleaner startups, and better long-term performance. Elevated ZDDP levels protect critical parts from wear, especially cam surfaces and bearings that need reliable lubrication under pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt also stands strong during layups. If your boat sits for weeks at a time, this oil’s rust-blocking additives help protect exposed metal surfaces, giving you a smoother, cleaner start when you return to the water. It’s the kind of low-maintenance durability every boater appreciates.\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\"\u003eThere’s a big difference between “works” and “works right.” OEM-level marine oil is engineered specifically for tight marine tolerances, high-heat loading, and the unique stresses of boat use. Cheaper oils may perform fine on paper, but they often break down faster, leave more deposits, or lack the marine-specific corrosion inhibitors your engine relies on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Quicksilver synthetic oil is made to Mercury Marine’s standards, meaning \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to fit, protect, and perform the first time and every time after. If you want long-term reliability without guesswork, OEM is simply the more practical choice.\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 engines does this oil 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 all non-catalyzed 4-stroke marine outboards, sterndrive engines, and inboards requiring 10W-30.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets this apart from aftermarket oils?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Higher ZDDP levels, better viscosity retention, and marine-specific corrosion protection make it stand out.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is right for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s manual for 10W-30 full synthetic compatibility and NMMA FC-W requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can I use this in both freshwater and saltwater environments?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely — it’s formulated to fight corrosion in either setting.\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 Yes. If you can perform a standard oil change, you can use this oil without trouble.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933875720483,"sku":"92-8M0175780","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0175780_2-1.jpg?v=1761748868"},{"product_id":"quicksilver-10w-40-marine-engine-oil-92-8m0148477","title":"Mercury – 10W-40 4-Stroke Marine Engine Oil, 1 Gallon | FourStroke Lubrication Series | Mineral Base Oil | 8M0148477","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 10W-40 4-Stroke Marine Engine Oil, 1 Gallon | FourStroke Lubrication Series | Mineral Base Oil | 8M0148477\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\"\u003eOil changes aren’t the glamorous part of boating, but they’re the part that keeps the whole story going. When you’re miles from the ramp \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the water turns unpredictable, you want to know your engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis protected\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on the inside, not just rinsed clean on the outside. Good marine oil gives you that quiet confidence—like the motor is running smooth, steady, and cared for, even when you’re asking a lot from it.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part is the kind of oil you pour in and don’t overthink afterward. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for the heat, the moisture, the long idle at the dock, and the hard run back home. If you’re the type who wants your engine to last, this is one of the simplest habits you can keep.\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\"\u003eFour-stroke marine engine oil designed for outboard, sterndrive, and inboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMineral base\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e oil with a marine-focused additive package\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps protect against corrosion and excessive wear in marine conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to handle heat and stress from high revolutions per minute operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps protect against varnish build-up and sludge formation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eViscosity rating: 10W-40\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds FC-W marine engine oil requirements, including \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecatalyst compatible\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e standards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne-gallon bottle size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0148477\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\"\u003eSuitable for four-stroke marine engines \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eincluding\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e:\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMercury and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eother\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e four-stroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSterndrive engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMany personal watercraft engines that specify this grade\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on bass boats, pontoons, center consoles, cruisers, and family runabouts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAlways follow your owner’s manual for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexact\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e oil type and service interval\u003c\/span\u003e\n\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\"\u003eYou can’t see oil working, but you can feel the results over time. With the right 10W-40 marine oil, your engine tends to sound calmer and run more consistently, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eespecially\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e when the day includes a mix of idle time and long, hot runs. Marine use is tough on oil. You’re dealing with humidity, the potential for salt exposure, and temperature swings that don’t always match car or truck conditions. This oil \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis formulated\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for that reality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe viscosity is a practical middle ground for many four-stroke marine engines. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s meant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to maintain a stable protective film when the engine is warm and working, while still flowing well enough during start-up to protect moving parts quickly. That protective “cushion” matters for longevity. It helps reduce wear where it counts—under load, at higher revolutions per minute, and during those long cruises where the engine is doing steady work.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnother thing boat owners appreciate is cleanliness. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOil that helps control sludge and varnish keeps the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003einside of the\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e engine in better \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eshape\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhich supports\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e smoother operation and simpler long-term maintenance.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Pair it with routine service and good filters, and you’re stacking the deck in your favor.\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\"\u003eWith oil, the safest choice is the one made to meet marine engine expectations, not automotive guesses. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to meet recognized marine oil requirements and to protect against corrosion, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhich is\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a constant threat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003earound water\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM-grade oil is a practical investment because it supports warranty-minded standards, predictable protection, and long-term engine life.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket oils can be fine, but not all are truly marine-focused. My advice to a fellow boater is simple: use oil designed for the water environment, and you’ll worry less and run more.\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 10W-40 4-Stroke Marine Engine Oil fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s intended for four-stroke marine outboard, sterndrive, and inboard engines that specify 10W-40 marine oil in the owner’s manual.\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 It’s a Mercury Marine part formulated for marine corrosion protection and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehigh-revolution per minute\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e operation, meeting FC-W standards.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCheck your owner’s manual for the recommended viscosity\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and marine oil specification, then match the part number to 8M0148477.\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. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for marine environments in general, including saltwater \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003euse\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e where corrosion protection is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eespecially important\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\"\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 Yes. Most owners can handle an oil change with basic tools and the correct procedure. If you’re unsure, a marine shop can do it quickly.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933877850403,"sku":"92-8M0148477","price":38.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0148477_1.jpg?v=1761748488"},{"product_id":"quicksilver-4-stroke-marine-oil-10w30-gallon-92-8m0078617","title":"Mercury – Quicksilver 10W-30 4-Stroke Marine Oil, 1 Gallon | Lubrication | 92-8M0078617","description":"\u003cp data-start=\"0\" data-end=\"87\"\u003eMercury – Quicksilver 10W-30 4-Stroke Marine Oil, 1 Gallon | Lubrication | 92-8M0078617\u003c\/p\u003e\n\u003chr data-start=\"89\" data-end=\"92\"\u003e\n\u003ch3 data-start=\"94\" data-end=\"108\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"109\" data-end=\"631\"\u003eFour-stroke marine engines live a rough life—constant heat, long idle time, sudden throttle changes, and more moisture than any engine really deserves. Clean oil is what keeps them from wearing themselves out. This 10W-30 Quicksilver blend is something a lot of mechanics stick with because it holds steady under load, clings to metal on cold starts, and fights off the corrosion that sneaks into every marine engine sooner or later. It’s the kind of oil you run if you want your motor to stay healthy season after season.\u003c\/p\u003e\n\u003chr data-start=\"633\" data-end=\"636\"\u003e\n\u003ch3 data-start=\"638\" data-end=\"656\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"657\" data-end=\"1063\"\u003e • \u003cstrong data-start=\"660\" data-end=\"695\"\u003eFor All 4-Stroke Marine Engines\u003c\/strong\u003e – Outboards, sterndrives, and inboards.\u003cbr data-start=\"735\" data-end=\"738\"\u003e • \u003cstrong data-start=\"741\" data-end=\"771\"\u003eCorrosion-Fighting Formula\u003c\/strong\u003e – Built for salty, humid environments.\u003cbr data-start=\"810\" data-end=\"813\"\u003e • \u003cstrong data-start=\"816\" data-end=\"846\"\u003eStrong Viscosity Retention\u003c\/strong\u003e – Stays stable in heat and holds its body during long runs.\u003cbr data-start=\"906\" data-end=\"909\"\u003e • \u003cstrong data-start=\"912\" data-end=\"932\"\u003e10W-30 Viscosity\u003c\/strong\u003e – A weight many marine engines are tuned around.\u003cbr data-start=\"981\" data-end=\"984\"\u003e • \u003cstrong data-start=\"987\" data-end=\"1003\"\u003e1-Gallon Jug\u003c\/strong\u003e – Ideal for full oil changes on small and mid-size engines.\u003c\/p\u003e\n\u003chr data-start=\"1065\" data-end=\"1068\"\u003e\n\u003ch3 data-start=\"1070\" data-end=\"1103\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1104\" data-end=\"1230\"\u003e • 4-stroke outboards\u003cbr data-start=\"1125\" data-end=\"1128\"\u003e • 4-stroke sterndrives\u003cbr data-start=\"1151\" data-end=\"1154\"\u003e • Inboard 4-stroke engines\u003cbr data-start=\"1181\" data-end=\"1184\"\u003e • FC-W and FC-W Catalyst Compatible systems\u003c\/p\u003e\n\u003chr data-start=\"1232\" data-end=\"1235\"\u003e\n\u003ch3 data-start=\"1237\" data-end=\"1275\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1276\" data-end=\"1714\"\u003eA fresh fill of this oil usually makes the engine sound smoother and settle into idle quicker. Hard cold starts feel less harsh because the oil actually stays on the components instead of draining off overnight. On long cruises or days spent trolling, the engine stays more relaxed and doesn’t feel like it’s laboring. And because the oil resists thinning and shearing, it hangs onto its protective qualities even when the motor gets hot.\u003c\/p\u003e\n\u003chr data-start=\"1716\" data-end=\"1719\"\u003e\n\u003ch3 data-start=\"1721\" data-end=\"1738\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1739\" data-end=\"2054\"\u003eMercury tests its oils in real engines—not just in a lab—and they build them around the clearances, materials, and heat cycles their motors actually face. Automotive oils just aren’t made for salt air, constant moisture, or long idle periods. With OEM oil, you know the blend is doing exactly what the engine needs.\u003c\/p\u003e\n\u003chr data-start=\"2056\" data-end=\"2059\"\u003e\n\u003ch3 data-start=\"2061\" data-end=\"2070\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"2071\" data-end=\"2213\"\u003e\u003cstrong data-start=\"2071\" data-end=\"2116\"\u003eQ1: How often should this oil be changed?\u003c\/strong\u003e\u003cbr data-start=\"2116\" data-end=\"2119\"\u003e\u003cstrong data-start=\"2119\" data-end=\"2125\"\u003eA:\u003c\/strong\u003e Most boaters swap it out every season or after hitting their recommended service hours.\u003c\/p\u003e\n\u003cp data-start=\"2215\" data-end=\"2331\"\u003e\u003cstrong data-start=\"2215\" data-end=\"2254\"\u003eQ2: Can I mix this with other oils?\u003c\/strong\u003e\u003cbr data-start=\"2254\" data-end=\"2257\"\u003e\u003cstrong data-start=\"2257\" data-end=\"2263\"\u003eA:\u003c\/strong\u003e It’s best to stick with one formula to keep performance consistent.\u003c\/p\u003e\n\u003cp data-start=\"2333\" data-end=\"2454\"\u003e\u003cstrong data-start=\"2333\" data-end=\"2378\"\u003eQ3: Is this oil good for saltwater boats?\u003c\/strong\u003e\u003cbr data-start=\"2378\" data-end=\"2381\"\u003e\u003cstrong data-start=\"2381\" data-end=\"2387\"\u003eA:\u003c\/strong\u003e Yes—the corrosion package is designed for harsh marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"2456\" data-end=\"2580\"\u003e\u003cstrong data-start=\"2456\" data-end=\"2493\"\u003eQ4: Does 10W-30 help cold starts?\u003c\/strong\u003e\u003cbr data-start=\"2493\" data-end=\"2496\"\u003e\u003cstrong data-start=\"2496\" data-end=\"2502\"\u003eA:\u003c\/strong\u003e Yes—this viscosity flows well at low temps while still protecting under heat.\u003c\/p\u003e\n\u003cp data-start=\"2582\" data-end=\"2739\"\u003e\u003cstrong data-start=\"2582\" data-end=\"2617\"\u003eQ5: Why not use automotive oil?\u003c\/strong\u003e\u003cbr data-start=\"2617\" data-end=\"2620\"\u003e\u003cstrong data-start=\"2620\" data-end=\"2626\"\u003eA:\u003c\/strong\u003e Marine engines face heat, moisture, and load cycles that car engines never see. Car oil breaks down too quickly.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933881061667,"sku":"92-8M0078617","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078617.jpg?v=1761747331"},{"product_id":"quicksilver-4-stroke-marine-engine-oil-25w40-1-quart-92-8m0078619","title":"Quicksilver 4‑Stroke Marine Engine Oil 25W40 - 1 QUART - 92-8M0078619","description":"\u003cp\u003eQuicksilver's 4‑Stroke oil technology outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor use in all 4‑Stroke Marine Engines ‑New formula 4‑Stroke oils are engineering approved for all marine 4‑Stroke applications, including Outboard, MerCruiser, High Performance, Stern Drive\/Inboard, and exceeds all Marine industry 4‑Stroke oil requirements including FC‑W and FC‑W Catalyst Compatible.  \u003c\/li\u003e\n\u003cli\u003eFlagship Engine and Corrosion Protection ‑Industry leading strength and viscosity retention and ultimate corrosion and wear protection. Industry leading strength and viscosity retention and ultimate corrosion and wear protection\u003c\/li\u003e\n\u003cli\u003eThe most recommended Marine Oil ‑Over 5 years of engineering and development by the largest marine engine manufacturer in the world.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933881192739,"sku":"92-8M0078619","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078619.jpg?v=1698786160"},{"product_id":"quicksilver-2-stroke-dfi-synthetic-blend-marine-engine-oil-gallon-92-858037q01","title":"Quicksilver 2-Stroke DFI Synthetic Blend Marine Engine Oil - GALLON - 92-858037Q01","description":"\u003cp\u003eQuicksilver 2-Stroke DFI Synthetic Blend Marine Engine Oil - GALLON - 92-858037Q01 - 3 PACK\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933890892067,"sku":"92-858037Q01","price":55.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858037q01.jpg?v=1698786208"},{"product_id":"dfi-oil-2-5-gallon-92-858038q01","title":"DFI OIL ,2.5 GALLON - 92-858038Q01","description":"\u003cp\u003e92-858038Q01 - DFI OIL ,2.5 GALLON\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933891088675,"sku":"92-858038Q01","price":132.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV743471.jpg?v=1698786208"},{"product_id":"premium-oil-2-5-gallon-92-858028q01","title":"Quicksilver – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend | 858028Q01","description":"\u003ch3\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend | 858028Q01\u003c\/span\u003e\n\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 Every boater wants the same thing — an engine that just works. No surprises, no smoke, no odd sounds—just clean, dependable power that gets you home every time. That’s what \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium Plus 2-Stroke Marine Engine Oil\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e delivers. I\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003et’s made for people who spend weekends on the water, not just reading about it. Whether you’re chasing fish at sunrise or towing the family in the afternoon, this oil keeps your outboard running strong and smooth.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFor \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil-injected, carbureted, and EFI 2-stroke engines\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSynthetic blend formula\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e meets \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNMMA TC-W3\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e marine standards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eF\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eights \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecarbon deposits, rust, and corrosion\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in key engine areas\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMaintains \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epeak performance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e even under extended full-throttle operation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReduces exhaust smoke for cleaner running\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSupplied in a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2.5-gallon container\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for convenience and longevity\u003c\/span\u003e\n\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\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003emid- to high-horsepower Mercury, Mariner, and compatible outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eS\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eafe for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epersonal watercraft, pontoons, fishing boats, and runabouts\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eWorks in both \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil-injection systems and premix applications\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePerforms in \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efreshwater and saltwater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e environments\u003c\/span\u003e\n\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 If you’ve ever run an engine hard, you know what real protection feels like — steady, quiet power with no hesitation. This is that kind of oil. \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium Plus\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e stays strong even when the water gets rough and the hours add up. It’s engineered for heavy loads and high speeds, keeping components lubricated and cool no matter how demanding the run.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInside the engine, the synthetic blend cuts carbon and prevents rings from sticking. That means smoother acceleration, fewer fouled plugs, and more consistent starts. The result? A boat that runs clean, feels responsive, and sounds right. When the water’s calling, this oil makes sure you can answer without worry.\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 There’s a reason seasoned captains stick with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. It’s made by the same team behind \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e — people who actually design the engines it protects. OEM oil isn’t just a label; it’s assurance. It means every drop is tested for real marine stress — salt, vibration, throttle bursts, and long idle periods.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSure, aftermarket options exist, but none come close to this level of precision. Choosing Quicksilver is choosing reliability. It’s an easy decision for anyone who’d rather be boating than fixing.\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 engines does Quicksilver Premium Plus 858028Q01 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits most mid- to high-horsepower Mercury, Mariner, and compatible 2-stroke outboards using TC-W3 oil.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets it apart from aftermarket blends?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Its synthetic formula maintains performance under heat and load, while preventing carbon buildup and corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know it’s right for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your engine manual lists \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epart number 858028Q01\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or recommends TC-W3 oil, this is the correct match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, it’s formulated to protect against the corrosive effects of saltwater and humidity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it easy to handle and pour?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The 2.5-gallon jug makes refilling injection tanks quick and clean, even on larger setups.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933891252515,"sku":"92-858028Q01","price":97.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/858028q01_main.jpg?v=1760631273"},{"product_id":"premium-oil-pint-92-858025q01","title":"Quicksilver – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend | 858025Q01","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e | 858025Q01\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you’ve been on the water long enough, you learn to recognize the gear you can count on — and the gear that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e talks a big game.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium Plus 2-Stroke Marine Engine Oil\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is the kind of product that’s quietly dependable. You don’t notice it when things go right, and that’s \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the point. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for boaters who push their engines hard — full throttle through open water, or long hours trolling along a quiet shoreline — and expect everything to keep running \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmooth\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. You’ll feel that easy confidence that comes from knowing your engine’s protected, mile after mile, tide after tide.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFo\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ermulated for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil-injected, carbureted, or EFI 2-stroke outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSynthetic blend\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for cleaner combustion and long-lasting lubrication\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCertified to \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNMMA TC-W3\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e standards for marine use\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eProtects against \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewear, corrosion, and performance-robbing carbon buildup\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDelivers \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmooth acceleration and reliable power\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e under heavy load\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePackaged in a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e16-ounce (1-pint)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e bottle for convenience and easy handling\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEn\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003egine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003emid- to high-horsepower Mercury and Mariner 2-stroke outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eWorks with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil-injected and premix systems\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epersonal watercraft, pontoons, and fishing boats\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for consistent performance in \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eboth saltwater and freshwater\u003c\/span\u003e\u003c\/strong\u003e\n\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 T\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehere’s something deeply satisfying about the sound of an engine running right — that steady hum, the clean throttle response, the sense that everything is balanced. That’s what you get when you run \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium Plus\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. The synthetic blend keeps internal parts coated with a durable film that resists friction and heat, so your motor runs \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecool\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and steady.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEven after hours of high-speed runs or long days under the sun, this oil holds up. It keeps the carbon down and the performance up. You’ll notice cleaner plugs, smoother idles, and an engine that feels just a little more alive. That’s the kind of consistency you want from your oil — quiet, unseen, but always working hard behind the scenes.\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 There’s peace of mind that comes from sticking with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003egenuine Quicksilver and Mercury Marine parts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThey’re built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to fit, tested to perform, and proven through decades on the water. While aftermarket oils may claim to save you a few bucks, they can’t match the real-world durability that Quicksilver delivers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you buy OEM, you’re not just buying oil — you’re investing in reliability. It means fewer breakdowns, cleaner internals, and more weekends that go the way they should. Because let’s be honest — the best boating days are the ones where you don’t have to think about your engine at all.\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 engines does Quicksilver Premium Plus 858025Q01 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 mid- to high-horsepower 2-stroke Mercury, Mariner, and compatible outboards using TC-W3 oil.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it different from aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Quicksilver’s blend is engineered by Mercury for marine use — tested under real-world load and temperature extremes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s right for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your manual — if it calls for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epart number 858025Q01\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or TC-W3-certified oil, this is the one.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it handle saltwater conditions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with anti-corrosion additives that excel in both saltwater and freshwater.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it simple to use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the 16-ounce bottle makes it easy to pour, mix, or refill, depending on your system.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933891580195,"sku":"92-858025Q01","price":7.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/858025Q01_QS-16oz-Front.jpg?v=1761744826"},{"product_id":"quicksilver-2-stroke-synthetic-blend-oil-858026q01","title":"Quicksilver – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend | 858026Q01","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e | 858026Q01\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 what happens beneath the cowling determines how the day goes. With \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium Plus 2-Stroke Marine Engine Oil\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, you’re giving your engine what it needs to perform at its best — no guessing, no shortcuts. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s the same oil trusted by pros, weekend captains, and anyone who understands the importance of reliability when the dock fades from view. You can feel the difference in the throttle — smoother, cleaner, and ready to take whatever the water gives.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eAdvanced \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esynthetic blend\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for superior lubrication and protection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCertified \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNMMA TC-W3\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e oil for marine and small engine use\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eP\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003erevents \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003erust and carbon buildup\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in critical areas\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil-injected or premix 2-stroke engines\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to handle \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehigh-speed, high-load, full-throttle operation\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePackaged in a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e32-ounce (1-quart)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e bottle — perfect for regular maintenance\u003c\/span\u003e\n\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\"\u003eCompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury, Mariner, and other 2-stroke outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eWorks well in \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epersonal watercraft, small boats, and inflatables\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eRe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecommended for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehigh-horsepower and performance engines\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efreshwater and saltwater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e boating conditions\u003c\/span\u003e\n\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\"\u003eThere’s a special kind of satisfaction that comes from a motor that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e runs right — smooth idle, quick starts, no hesitation.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e That’s what Quicksilver Premium Plus delivers. It\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e’s formulated for clean combustion, reducing smoke and buildup while keeping the inside of your engine slick and cool. You’ll notice how easily it starts after sitting for a week, how steady it feels at wide-open throttle, and how little fuss it gives you in between trips.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe protective additives \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeep\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e corrosion \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eat bay\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, even in damp coastal air or during off-season storage.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every time you use it, you’re protecting not just the engine — but the investment, the memories, and the weekends built around being out there.\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 Boaters trust \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e because \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s made\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e by the same people who design and test \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e isn’t guesswork or generic chemistry — it’s precision oil formulated for marine performance. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s tested\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in harsh, real-world conditions that aftermarket oils rarely see.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM quality means consistency — every bottle performs like the last, and every drop delivers the same protection. It’s a small detail that makes a big difference when you’re miles from shore. Real boaters know: peace of mind is worth every penny.\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 engines is this oil designed for?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits all 2-stroke Mercury, Mariner, and compatible outboards using TC-W3 oil.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets it apart from others?\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\"\u003eIts synthetic blend fights carbon buildup, resists corrosion, and performs under heavy \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eload better\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e than most aftermarket oils.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s right for me?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your manual specifies \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epart number 858026Q01\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or TC-W3-certified 2-stroke oil, you’re good to go.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Does it work in saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — it’s formulated to handle the harshest marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it easy to use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Definitely\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. The\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 32-ounce bottle makes it simple to measure and mix for your specific setup.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933891612963,"sku":"92-858026Q01","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/858026Q01_QS-32oz-Front.jpg?v=1761744892"},{"product_id":"quicksilver-premium-tcw3-2-stroke-outboard-oil-gallon-92-858027q01","title":"Quicksilver – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend | 858027Q01","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver – Premium Plus 2-Stroke Marine Engine Oil | Synthetic Blend | 858027Q01\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 When you’ve been around boats long enough, you start to notice the little things that separate a good run from a great one. That steady hum at cruising speed, the crisp response when you hit the throttle — those moments don’t happen by accident.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThey come from taking care of the heart of your engine, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium Plus 2-Stroke Marine Engine Oil\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is built for exactly that. It’s the kind of oil you trust because it simply works — trip after trip, season after season. Whether you’re heading out at dawn or easing back in at sunset, it keeps your motor feeling strong, clean, and ready.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eQuicksilver Premium TCW3 2 Stroke Outboard Oil – GALLON – 92-858027Q01\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eKeep your 2-stroke running clean and strong. Quicksilver Premium TC-W3® 2-Cycle Outboard Oil (1 gallon) is engineered for everyday boating – delivering reliable lubrication, low smoke, and corrosion protection in both premix and oil-injected systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eWhy boaters choose it\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eTC-W3® certified, ashless formula\u003c\/span\u003e\u003cspan\u003e – Meets modern marine specs for clean burn and deposit control.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eEveryday protection\u003c\/span\u003e\u003cspan\u003e – Detergents help keep rings, pistons, and ports cleaner for smoother starts and steady idle.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eRust \u0026amp; corrosion defense\u003c\/span\u003e\u003cspan\u003e – Moisture-inhibiting additives protect internal parts in harsh marine environments.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eLow-smoke performance\u003c\/span\u003e\u003cspan\u003e – Enjoy a cleaner transom and better on-water experience.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eVersatile use\u003c\/span\u003e\u003cspan\u003e – Works in \u003c\/span\u003e\u003cspan\u003epremix or oil-injection\u003c\/span\u003e\u003cspan\u003e systems across most 2-stroke outboards that call for TC-W3® oil.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eCompatible with\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eMercury, Mariner, Force, and most other 2-stroke outboards requiring \u003c\/span\u003e\u003cspan\u003eNMMA TC-W3®\u003c\/span\u003e\u003cspan\u003e oil.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSuitable for carbureted and many oil-injected engines used for recreation and general duty.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFor high-performance, DFI\/OPTIMAX-type, or heavy-duty applications, consider \u003c\/span\u003e\u003cspan\u003eQuicksilver Premium Plus\u003c\/span\u003e\u003cspan\u003e or the engine-specific DFI oil specified by your manufacturer.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eHow to use\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003ePremix:\u003c\/span\u003e\u003cspan\u003e Follow your engine manual for the exact ratio (common marine ratios include \u003c\/span\u003e\u003cspan\u003e50:1\u003c\/span\u003e\u003cspan\u003e).\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOil-injected:\u003c\/span\u003e\u003cspan\u003e Fill the reservoir with TC-W3® oil; do not dilute.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMixing with other oils:\u003c\/span\u003e\u003cspan\u003e If needed, only mix with \u003c\/span\u003e\u003cspan\u003eother TC-W3® two-stroke marine oils\u003c\/span\u003e\u003cspan\u003e. Never mix with 4-stroke oils.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eSpecs\u003c\/span\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003eStandard:\u003c\/span\u003e\u003cspan\u003e NMMA \u003c\/span\u003e\u003cspan\u003eTC-W3®\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003eFormat:\u003c\/span\u003e\u003cspan\u003e 1 gallon \/ 128 fl oz\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003ePart number:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e92-858027Q01\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003eApplication:\u003c\/span\u003e\u003cspan\u003e 2-stroke outboard engines (premix or oil-injected)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eGood add-ons\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eFuel stabilizer\u003c\/span\u003e\u003cspan\u003e (Mercury Quickare\/Quickstor) to protect against ethanol issues\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePremix measuring bottle\u003c\/span\u003e\u003cspan\u003e for accurate ratios\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSpark plugs \u0026amp; in-line fuel filter\u003c\/span\u003e\u003cspan\u003e to complete your service\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium TC-W3 2-stroke outboard oil (92-858027Q01) is an ashless, NMMA TC-W3®-certified marine oil for premix or oil-injected 2-stroke outboards. It reduces smoke, helps prevent deposits and corrosion, and comes in a 1-gallon jug – ideal for everyday boating.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eD\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil-injected, carbureted, or electronic fuel-injected (EFI) 2-stroke engines\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSynthetic blend formulation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e delivers cleaner combustion and long-lasting protection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMeets \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNMMA TC-W3\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e certification standards for marine applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFights \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003erust, wear, and corrosion\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in combustion chambers, intakes, and exhaust systems\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eHelps prevent \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecarbon buildup and spark plug fouling\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\"\u003eackaged in a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1-gallon container\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e — ideal for frequent use or larger outboards\u003c\/span\u003e\n\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\"\u003ePerfect for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003emid- to high-horsepower Mercury and Mariner 2-stroke outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil-injection systems and premix setups\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epersonal watercraft, bass boats, runabouts, and small cruisers\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePerforms consistently in \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eboth freshwater and saltwater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e environments\u003c\/span\u003e\n\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 Out on the water, you don’t have time to think about what’s happening inside your engine — and with this oil, you won’t have to. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver Premium Plus formula\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e delivers a steady layer of protection, reducing friction and heat while keeping the engine running smooth and tight. You’ll notice the difference in how cleanly it runs — no harsh smoke, no sluggish starts, no knocking under load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEven during long, wide-open runs, it holds up beautifully. The synthetic blend resists breakdown under pressure and temperature swings, keeping your internals free from sludge and varnish. Carbon stays low, performance stays high, and you get to spend more time doing what you love — exploring open water without worrying about your motor.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThat kind of reliability is worth its weight in fuel. It’s a product you can feel working — quiet, efficient, and always ready.\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 you buy \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003egenuine Quicksilver\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, you’re buying the same formulation Mercury Marine engineers designed to protect their own engines. This isn’t a “universal” oil that kind of fits everything — it’s a precise blend built for real-world marine performance. Every drop has been tested under full load, salt spray, and long idle conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eUsing OEM oil means no guesswork, no risk. You’ll get consistent results, longer service intervals, and fewer mechanical surprises. And honestly, that’s what boating’s all about — less fixing, more fishing; less tinkering, more time out on the water.\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 engines does the Quicksilver Premium Plus 858027Q01 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s ideal for mid- to high-horsepower Mercury, Mariner, and other compatible 2-stroke outboards that require TC-W3-certified oil.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it different from aftermarket brands?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Quicksilver oil is engineered by Mercury Marine for marine performance — formulated to handle heat, water exposure, and heavy loads better than generic oils.\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 oil 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 — if it specifies \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003epart number 858027Q01\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or TC-W3 oil, you’re set.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this oil 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 designed to protect in both environments, resisting corrosion even after long exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it easy to use for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. The 1-gallon jug makes it easy to refill injection tanks or mix with fuel for premix systems.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933891645731,"sku":"92-858027Q01","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858027q01.jpg?v=1698786212"},{"product_id":"premium-oil-2-5-gallon-92-858023q01","title":"PREMIUM OIL 2.5 GALLON - 92-858023Q01","description":"\u003cp\u003e92-858023Q01 - PREMIUM OIL 2.5 GALLON\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933891776803,"sku":"92-858023Q01","price":85.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV743513.jpg?v=1698786212"},{"product_id":"quicksilver-2-stroke-premium-tcw3-marine-engine-oil-gallon-92-858022q01","title":"Quicksilver 2-Stroke Premium TCW3 Marine Engine Oil - GALLON-  92-858022Q01","description":"\u003cp\u003eQuicksilver's exclusive formulation provides superior protection to help extend the life of small horsepower, outboard engines. Continued used of Quicksilver Premium 2-Cycle oil also helps:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevent corrosion of internal components\u003c\/li\u003e \u003cli\u003eMaintain peak engine performance and reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e This all-weather formula provides protection in temperatures down to -13\u003cspan\u003eo\u003c\/span\u003eF\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933892137251,"sku":"92-858022Q01","price":34.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858022q01.jpg?v=1698786213"},{"product_id":"quicksilver-2-stroke-premium-tcw3-marine-engine-oil-quart-92-858021q01","title":"Quicksilver 2-Stroke Premium TCW3 Marine Engine Oil - QUART-  92-858021Q01","description":"\u003cp\u003eQuicksilver's exclusive formulation provides superior protection to help extend the life of small horsepower, outboard engines. Continued used of Quicksilver Premium 2-Cycle oil also helps:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevent corrosion of internal components\u003c\/li\u003e \u003cli\u003eMaintain peak engine performance and reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e This all-weather formula provides protection in temperatures down to -13F\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933892202787,"sku":"92-858021Q01","price":10.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858021q01.jpg?v=1698786214"},{"product_id":"premium-oil-pint-92-858020q01","title":"PREMIUM OIL PINT - 92-858020Q01","description":"\u003cp\u003e92-858020Q01 - PREMIUM OIL PINT\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46933892301091,"sku":"92-858020Q01","price":6.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV743540.jpg?v=1698786214"},{"product_id":"quicksilver-4-stroke-25w40-synthetic-blend-marine-engine-oil-quart-92-8m0078622-2-pack","title":"Quicksilver 4-Stroke 25W40 Synthetic Blend Marine Engine Oil - Quart - 92-8M0078622 - 2 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eQuicksilver's 4Stroke oil technology outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines.\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eFor use in all 4Stroke Marine Engines New formula 4Stroke oils are engineering approved for all marine 4Stroke applications, including Outboard, MerCruiser, High Performance, Stern Drive\/Inboard, and exceeds all Marine industry 4Stroke oil requirements including FCW and FCW Catalyst Compatible. \u003c\/li\u003e \u003cli\u003eFlagship Engine and Corrosion Protection Industry leading strength and viscosity retention and ultimate corrosion and wear protection.\u003c\/li\u003e \u003cli\u003eThe most recommended Marine Oil Over 5 years of engineering and development by the largest marine engine manufacturer in the world.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906063651,"sku":"PVMP0382","price":29.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078622_x2-bundle_1.jpg?v=1701377121"},{"product_id":"quicksilver-4-stroke-25w40-synthetic-blend-marine-engine-oil-quart-92-8m0078622-6-pack","title":"Mercury – Quicksilver 4-Stroke 25W-40 Synthetic Blend Marine Oil (Quart, 6-Pack) | Engine Lubrication | 92-8M0078622","description":"\u003cp data-start=\"0\" data-end=\"120\"\u003e\u003cstrong data-start=\"0\" data-end=\"120\"\u003eMercury – Quicksilver 4-Stroke 25W-40 Synthetic Blend Marine Oil (Quart, 6-Pack) | Engine Lubrication | 92-8M0078622\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"122\" data-end=\"125\"\u003e\n\u003ch3 data-start=\"127\" data-end=\"141\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"142\" data-end=\"589\"\u003eThis oil is the blend most techs reach for when they want something steady and predictable in a 4-stroke outboard. It holds its weight well through long idle stretches, warm runs, and the stop-and-go rhythm a lot of boaters put their engines through. Pouring it in, you can feel it has the right body for marine use—not too thin, not sluggish. It’s a straightforward choice that keeps the engine running comfortably across a full day on the water.\u003c\/p\u003e\n\u003chr data-start=\"591\" data-end=\"594\"\u003e\n\u003ch3 data-start=\"596\" data-end=\"614\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"615\" data-end=\"1042\"\u003e  • \u003cstrong data-start=\"629\" data-end=\"656\"\u003eSynthetic Blend Formula\u003c\/strong\u003e – Offers consistent protection under heat and load.\u003cbr data-start=\"708\" data-end=\"711\"\u003e  • \u003cstrong data-start=\"725\" data-end=\"749\"\u003e25W-40 Marine Weight\u003c\/strong\u003e – Suited for the temperature swings common in 4-stroke outboards.\u003cbr data-start=\"815\" data-end=\"818\"\u003e  • \u003cstrong data-start=\"832\" data-end=\"865\"\u003eCorrosion-Resistant Additives\u003c\/strong\u003e – Helps protect internal parts in humid and salt-heavy environments.\u003cbr data-start=\"934\" data-end=\"937\"\u003e  • \u003cstrong data-start=\"951\" data-end=\"974\"\u003eClean-Burning Blend\u003c\/strong\u003e – Reduces deposits that can build up over longer service intervals.\u003c\/p\u003e\n\u003chr data-start=\"1044\" data-end=\"1047\"\u003e\n\u003ch3 data-start=\"1049\" data-end=\"1082\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1083\" data-end=\"1262\"\u003e  • Mercury 4-Stroke engines\u003cbr data-start=\"1121\" data-end=\"1124\"\u003e  • EFI and carbureted platforms\u003cbr data-start=\"1166\" data-end=\"1169\"\u003e  • Mid-range FourStroke series\u003cbr data-start=\"1210\" data-end=\"1213\"\u003e  • Quicksilver marine lubrication line\u003c\/p\u003e\n\u003chr data-start=\"1264\" data-end=\"1267\"\u003e\n\u003ch3 data-start=\"1269\" data-end=\"1307\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1308\" data-end=\"1701\"\u003eEngines usually idle a little smoother once this oil is circulating, especially if the old oil was overdue. It settles into a steady rhythm during long runs and doesn’t thin out when the engine warms up. Throttle response tends to feel more consistent, which is noticeable on boats that see a mix of slow cruising and higher RPM work. Overall, the engine feels more settled throughout the day.\u003c\/p\u003e\n\u003chr data-start=\"1703\" data-end=\"1706\"\u003e\n\u003ch3 data-start=\"1708\" data-end=\"1725\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1726\" data-end=\"2028\"\u003eQuicksilver blends this oil around Mercury’s tolerances, so pressure and flow behave the way the engines expect. That keeps sensor readings stable and avoids the small quirks that show up with automotive oils. Using OEM oil keeps the engine’s behavior predictable from one service interval to the next.\u003c\/p\u003e\n\u003chr data-start=\"2030\" data-end=\"2033\"\u003e\n\u003ch3 data-start=\"2035\" data-end=\"2044\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"2045\" data-end=\"2175\"\u003e\u003cstrong data-start=\"2045\" data-end=\"2094\"\u003e1. How do I know when the oil needs changing?\u003c\/strong\u003e\u003cbr data-start=\"2094\" data-end=\"2097\"\u003eDark, thin oil on the dipstick or a season of use is usually a sign it’s time.\u003c\/p\u003e\n\u003cp data-start=\"2177\" data-end=\"2279\"\u003e\u003cstrong data-start=\"2177\" data-end=\"2227\"\u003e2. Do I need anything special to run this oil?\u003c\/strong\u003e\u003cbr data-start=\"2227\" data-end=\"2230\"\u003eNo—just follow Mercury’s normal oil-change steps.\u003c\/p\u003e\n\u003cp data-start=\"2281\" data-end=\"2390\"\u003e\u003cstrong data-start=\"2281\" data-end=\"2325\"\u003e3. Is this blend fine for saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"2325\" data-end=\"2328\"\u003eYes, it includes corrosion protection for marine environments.\u003c\/p\u003e\n\u003cp data-start=\"2392\" data-end=\"2505\"\u003e\u003cstrong data-start=\"2392\" data-end=\"2446\"\u003e4. Will the engine sound different with fresh oil?\u003c\/strong\u003e\u003cbr data-start=\"2446\" data-end=\"2449\"\u003eMany boaters notice a steadier idle and cleaner warm-up.\u003c\/p\u003e\n\u003cp data-start=\"2507\" data-end=\"2638\"\u003e\u003cstrong data-start=\"2507\" data-end=\"2561\"\u003e5. What happens if I stretch oil changes too long?\u003c\/strong\u003e\u003cbr data-start=\"2561\" data-end=\"2564\"\u003eEngines may run warmer, idle rougher, and feel less responsive under load.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906129187,"sku":"PVMP0383","price":89.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078622_x6-bundle_1.jpg?v=1701377121"},{"product_id":"quicksilver-4-stroke-10w30-marine-engine-oil-quart-92-8m0078616-2-pack","title":"Quicksilver 4\"‘Stroke 10W30 Marine Engine Oil - Quart - 92-8M0078616 - 2 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eQuicksilver's 4Stroke oil technology outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines. The mineral 4Stroke oil is also now approved for use in all Outboard Engines; previously only our synthetic blend could make this claim.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFor use in all 4Stroke Marine Engines New formula 4Stroke oils are engineering approved for use in certain marine 4Stroke Outboard applications and exceeds all Marine industry 4Stroke oil requirements including FCW and FCW Catalyst Compatible. In addition, all 10W30 \u0026amp; 25W40 oils are now fully FW Catalyst Compatiable.\u003c\/li\u003e \u003cli\u003eFlagship Engine and Corrosion Protection Industry leading strength and viscosity retention and ultimate corrosion and wear protection.\u003c\/li\u003e \u003cli\u003eThe most recommended Marine Oil Over 5 years of engineering and development by the largest marine engine manufacturer in the world.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906161955,"sku":"PVMP0384","price":23.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078616_x2-bundle.jpg?v=1701377121"},{"product_id":"quicksilver-4-stroke-10w30-marine-engine-oil-quart-92-8m0078616-6-pack","title":"Mercury – Quicksilver 10W-30 4-Stroke Marine Engine Oil, 1 Quart | Marine Engine Oil | Standard Finish | 8M0078616","description":"\u003cp data-start=\"0\" data-end=\"132\"\u003e\u003cstrong data-start=\"0\" data-end=\"130\"\u003eMercury – Quicksilver 10W-30 4-Stroke Marine Engine Oil, 1 Quart | Marine Engine Oil | Standard Finish | 8M0078616\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"134\" data-end=\"137\"\u003e\n\u003ch3 data-start=\"139\" data-end=\"157\"\u003e\u003cstrong data-start=\"143\" data-end=\"155\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"158\" data-end=\"717\"\u003eAny boater who spends real time on the water knows how much comfort comes from turning the key and hearing an engine settle into a smooth, confident idle. It is a small moment, but it sets the tone for the whole day — whether you are easing toward the channel marker or heading out with a cooler full of bait and big hopes. Quicksilver 10W-30 4-Stroke Marine Engine Oil, part number 8M0078616, is one of the unsung heroes behind that dependable start. It gives your engine the steady, protective foundation it needs so you can focus on the ride, not the risk.\u003c\/p\u003e\n\u003chr data-start=\"719\" data-end=\"722\"\u003e\n\u003ch3 data-start=\"724\" data-end=\"746\"\u003e\u003cstrong data-start=\"728\" data-end=\"744\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"747\" data-end=\"1156\"\u003e\n\u003cli data-start=\"747\" data-end=\"833\"\u003e\n\u003cp data-start=\"749\" data-end=\"833\"\u003eDesigned for use in four-stroke marine outboards, inboards, and sterndrive engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"834\" data-end=\"922\"\u003e\n\u003cp data-start=\"836\" data-end=\"922\"\u003eFormulated to help prevent corrosion and excessive wear in harsh marine environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"923\" data-end=\"1007\"\u003e\n\u003cp data-start=\"925\" data-end=\"1007\"\u003eStrong shear strength and reliable viscosity retention under high-rpm conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1008\" data-end=\"1039\"\u003e\n\u003cp data-start=\"1010\" data-end=\"1039\"\u003eTen weight thirty viscosity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1040\" data-end=\"1067\"\u003e\n\u003cp data-start=\"1042\" data-end=\"1067\"\u003eThirty-two ounce bottle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1068\" data-end=\"1108\"\u003e\n\u003cp data-start=\"1070\" data-end=\"1108\"\u003eMercury Marine part number 8M0078616\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1109\" data-end=\"1156\"\u003e\n\u003cp data-start=\"1111\" data-end=\"1156\"\u003eCertified FC-W and FC-W Catalyst Compatible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1158\" data-end=\"1161\"\u003e\n\u003ch3 data-start=\"1163\" data-end=\"1200\"\u003e\u003cstrong data-start=\"1167\" data-end=\"1198\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1201\" data-end=\"1510\"\u003e\n\u003cli data-start=\"1201\" data-end=\"1272\"\u003e\n\u003cp data-start=\"1203\" data-end=\"1272\"\u003eCompatible with most Mercury four-stroke outboard horsepower ranges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1348\"\u003e\n\u003cp data-start=\"1275\" data-end=\"1348\"\u003eWorks with Mercury sterndrives and inboards requiring 10W-30 engine oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1349\" data-end=\"1409\"\u003e\n\u003cp data-start=\"1351\" data-end=\"1409\"\u003eSuitable for many engines from other major marine brands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1410\" data-end=\"1510\"\u003e\n\u003cp data-start=\"1412\" data-end=\"1510\"\u003eCommonly used in pontoons, bass boats, runabouts, center consoles, bay boats, and small cruisers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1512\" data-end=\"1515\"\u003e\n\u003ch3 data-start=\"1517\" data-end=\"1559\"\u003e\u003cstrong data-start=\"1521\" data-end=\"1557\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1560\" data-end=\"1977\"\u003eYou feel the difference in the way the engine warms up — smooth, steady, without that strained edge that makes you second-guess your trip. This Quicksilver blend keeps internal components cushioned with a tight, protective film, helping minimize friction even when you run hard for long distances. The viscosity stays consistent, allowing the engine to respond cleanly when you throttle up or settle back into idle.\u003c\/p\u003e\n\u003cp data-start=\"1979\" data-end=\"2522\"\u003eCorrosion resistance is where this oil really earns its keep. Marine engines live in a world full of moisture, salt spray, temperature swings, and long periods of storage. Without the right oil, those conditions start to wear down components faster than most boaters realize. This formulation helps build a protective layer that keeps everything inside cleaner and more stable, extending the life of your engine and reducing maintenance surprises. It is practical, proven protection — the kind that supports smooth performance trip after trip.\u003c\/p\u003e\n\u003chr data-start=\"2524\" data-end=\"2527\"\u003e\n\u003ch3 data-start=\"2529\" data-end=\"2550\"\u003e\u003cstrong data-start=\"2533\" data-end=\"2548\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2551\" data-end=\"3102\"\u003eGenuine Mercury Marine parts are engineered for the way marine engines live — not the conditions cars and trucks experience. Mercury tests its oils under the same strain and stress the engines themselves are built for. That means more consistent performance, longer life, and protection that truly matches the equipment. Aftermarket oils may claim compatibility, but they rarely meet the same standards or handle marine elements as well. Choosing OEM is simply the smart move: fewer worries, fewer repairs, and a better-running engine in every season.\u003c\/p\u003e\n\u003chr data-start=\"3104\" data-end=\"3107\"\u003e\n\u003ch3 data-start=\"3109\" data-end=\"3122\"\u003e\u003cstrong data-start=\"3113\" data-end=\"3120\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3124\" data-end=\"3308\"\u003e\u003cstrong data-start=\"3124\" data-end=\"3200\"\u003eQ1: Which Mercury engines does Quicksilver 10W-30 Marine Engine Oil fit?\u003c\/strong\u003e\u003cbr data-start=\"3200\" data-end=\"3203\"\u003eIt fits most Mercury four-stroke outboards, inboards, and sterndrives that require ten weight thirty oil.\u003c\/p\u003e\n\u003cp data-start=\"3310\" data-end=\"3500\"\u003e\u003cstrong data-start=\"3310\" data-end=\"3378\"\u003eQ2: What makes this oil different from aftermarket alternatives?\u003c\/strong\u003e\u003cbr data-start=\"3378\" data-end=\"3381\"\u003eIt is engineered for marine heat, moisture, and extended high-rpm use, offering stronger wear and corrosion protection.\u003c\/p\u003e\n\u003cp data-start=\"3502\" data-end=\"3686\"\u003e\u003cstrong data-start=\"3502\" data-end=\"3564\"\u003eQ3: How do I know if this is the correct oil for my setup?\u003c\/strong\u003e\u003cbr data-start=\"3564\" data-end=\"3567\"\u003eCheck your owner’s manual. If it specifies ten weight thirty oil for four-stroke lubrication, this is the proper match.\u003c\/p\u003e\n\u003cp data-start=\"3688\" data-end=\"3827\"\u003e\u003cstrong data-start=\"3688\" data-end=\"3759\"\u003eQ4: Can this be used in both saltwater and freshwater environments?\u003c\/strong\u003e\u003cbr data-start=\"3759\" data-end=\"3762\"\u003eYes, it is formulated for reliable performance in either setting.\u003c\/p\u003e\n\u003cp data-start=\"3829\" data-end=\"3991\"\u003e\u003cstrong data-start=\"3829\" data-end=\"3890\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/strong\u003e\u003cbr data-start=\"3890\" data-end=\"3893\"\u003eAbsolutely. If you can perform a basic oil change, you will find this oil easy to handle and pour.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906194723,"sku":"PVMP0385","price":71.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078616_x6-bundle_1.jpg?v=1701377121"},{"product_id":"quicksilver-2-stroke-premium-tcw3-marine-engine-oil-quart-92-858021q01-2-pack","title":"Quicksilver 2-Stroke Premium TCW3 Marine Engine Oil - Quart - 92-858021Q01 - 2 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eQuicksilvers exclusive formulation provides superior protection to help extend the life of small horsepower, outboard engines. Continued used of Quicksilver Premium 2-Cycle oil also helps:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevent corrosion of internal components\u003c\/li\u003e \u003cli\u003eMaintain peak engine performance and reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e This all-weather formula provides protection in temperatures down to -13F\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906293027,"sku":"PVMP0386","price":21.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858021q01_x2-bundle_2.jpg?v=1701377121"},{"product_id":"quicksilver-2-stroke-premium-tcw3-marine-engine-oil-quart-92-858021q01-6-pack","title":"Quicksilver 2-Stroke Premium TCW3 Marine Engine Oil - Quart -  92-858021Q01 - 6 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e \u003cp\u003eQuicksilvers exclusive formulation provides superior protection to help extend the life of small horsepower, outboard engines. Continued used of Quicksilver Premium 2-Cycle oil also helps:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevent corrosion of internal components\u003c\/li\u003e \u003cli\u003eMaintain peak engine performance and reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e This all-weather formula provides protection in temperatures down to -13F\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906227491,"sku":"PVMP0387","price":64.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858021q01_x6-bundle.jpg?v=1701377121"},{"product_id":"quicksilver-4-stroke-marine-engine-oil-high-performance-synthetic-blend-25w50-quart-92-8m0053662-2-pack","title":"Quicksilver 4\"‘Stroke Marine Engine Oil High Performance Synthetic Blend 25W50 - Quart - 92-8M0053662 - 2 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e25W50 oil is often recommended for engines used in racing. This high-performance oil provides maximum lubrication for your marine engine.\u003c\/p\u003e \u003cp\u003eThis oil maintains viscosity under the most extreme operating conditions such as:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRacing: Operating engine at maximum output and high temperatures\u003c\/li\u003e \u003cli\u003eTow sports and fishing: Alternating between periods of high RPMs and throttling down to low RPMs or idle\u003c\/li\u003e \u003cli\u003eProtects against varnish buildup and sludge formation\u003c\/li\u003e \u003cli\u003eExceeds the rust protection requirements for NMMA certification\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eRecommended for use in Mercury Verado outboards and other high-performance marine engines\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906260259,"sku":"PVMP0388","price":33.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0053662_x2_1-bundle_1.jpg?v=1701377121"},{"product_id":"quicksilver-4-stroke-marine-engine-oil-high-performance-synthetic-blend-25w50-quart-92-8m0053662-6-pack","title":"Quicksilver 4-Stroke Marine Engine Oil High Performance Synthetic Blend 25W50 - Quart - 92-8M0053662 - 6 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e25W50 oil is often recommended for engines used in racing. This high-performance oil provides maximum lubrication for your marine engine.\u003c\/p\u003e \u003cp\u003eThis oil maintains viscosity under the most extreme operating conditions such as:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRacing: Operating engine at maximum output and high temperatures\u003c\/li\u003e \u003cli\u003eTow sports and fishing: Alternating between periods of high RPMs and throttling down to low RPMs or idle\u003c\/li\u003e \u003cli\u003eProtects against varnish buildup and sludge formation\u003c\/li\u003e \u003cli\u003eExceeds the rust protection requirements for NMMA certification\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906325795,"sku":"PVMP0389","price":101.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0053662_x6_1-bundle.jpg?v=1701377121"},{"product_id":"quicksilver-4-stroke-marine-oil-10w30-gallon-92-8m0078617-3-pack","title":"Mercury – Quicksilver 10W-30 4-Stroke Marine Engine Oil, 1 Gallon | Marine Engine Oil | Standard Finish | 8M0078617","description":"\u003cp data-start=\"0\" data-end=\"133\"\u003e\u003cstrong data-start=\"0\" data-end=\"131\"\u003eMercury – Quicksilver 10W-30 4-Stroke Marine Engine Oil, 1 Gallon | Marine Engine Oil | Standard Finish | 8M0078617\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=\"730\"\u003eThere’s a certain comfort that comes from knowing your engine is protected by oil you trust. When you turn the key and hear that steady, easy rumble, you feel the whole day settling into place. Quicksilver 10W-30 4-Stroke Marine Engine Oil, part number 8M0078617, is the kind of oil seasoned boaters rely on because it keeps their engines calm, cool, and dependable. Whether you are creeping out of a quiet marina at dawn or opening up the throttle across open water, it gives you that reassuring sense that everything under the cowling is running just the way it should.\u003c\/p\u003e\n\u003chr data-start=\"732\" data-end=\"735\"\u003e\n\u003ch3 data-start=\"737\" data-end=\"759\"\u003e\u003cstrong data-start=\"741\" data-end=\"757\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"760\" data-end=\"1113\"\u003e\n\u003cli data-start=\"760\" data-end=\"843\"\u003e\n\u003cp data-start=\"762\" data-end=\"843\"\u003eDesigned for all four-stroke marine outboards, sterndrive engines, and inboards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"844\" data-end=\"928\"\u003e\n\u003cp data-start=\"846\" data-end=\"928\"\u003eFormulated to reduce corrosion and protect internal surfaces from excessive wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"929\" data-end=\"1013\"\u003e\n\u003cp data-start=\"931\" data-end=\"1013\"\u003eBlended for strong shear resistance and stable viscosity under marine conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1014\" data-end=\"1045\"\u003e\n\u003cp data-start=\"1016\" data-end=\"1045\"\u003eTen weight thirty viscosity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1046\" data-end=\"1072\"\u003e\n\u003cp data-start=\"1048\" data-end=\"1072\"\u003eOne gallon bottle size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1073\" data-end=\"1113\"\u003e\n\u003cp data-start=\"1075\" data-end=\"1113\"\u003eMercury Marine part number 8M0078617\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1115\" data-end=\"1118\"\u003e\n\u003ch3 data-start=\"1120\" data-end=\"1157\"\u003e\u003cstrong data-start=\"1124\" data-end=\"1155\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1158\" data-end=\"1474\"\u003e\n\u003cli data-start=\"1158\" data-end=\"1244\"\u003e\n\u003cp data-start=\"1160\" data-end=\"1244\"\u003eCompatible with most Mercury four-stroke outboards across common horsepower ranges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1245\" data-end=\"1315\"\u003e\n\u003cp data-start=\"1247\" data-end=\"1315\"\u003eSuitable for Mercury sterndrives and inboards requiring 10W-30 oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1316\" data-end=\"1375\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1375\"\u003eWorks with other major four-stroke marine engine brands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1376\" data-end=\"1474\"\u003e\n\u003cp data-start=\"1378\" data-end=\"1474\"\u003eCommonly used on pontoons, bass boats, offshore center consoles, runabouts, and small cruisers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1476\" data-end=\"1479\"\u003e\n\u003ch3 data-start=\"1481\" data-end=\"1523\"\u003e\u003cstrong data-start=\"1485\" data-end=\"1521\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1524\" data-end=\"1962\"\u003eOut on the water, the performance of your oil shows up in a hundred small but important ways. You feel it when your engine warms quickly and settles into a smooth idle. You feel it when you accelerate and the power comes on clean and confident, without hesitation or roughness. This 10W-30 blend is engineered to maintain a tight, steady film across fast-moving components, reducing friction so your engine runs cooler and lasts longer.\u003c\/p\u003e\n\u003cp data-start=\"1964\" data-end=\"2496\"\u003eThe corrosion protection is a real difference-maker. Marine engines face moisture, salt, temperature swings, and long periods of storage — conditions that can be hard on internal components. This oil forms a protective layer that helps those parts stay clean and stable, giving you fewer maintenance surprises over the years. The viscosity stays consistent even under the pressure of long high-rpm runs, which means your engine remains responsive and controlled. It is the kind of oil you notice only because everything feels right.\u003c\/p\u003e\n\u003chr data-start=\"2498\" data-end=\"2501\"\u003e\n\u003ch3 data-start=\"2503\" data-end=\"2524\"\u003e\u003cstrong data-start=\"2507\" data-end=\"2522\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2525\" data-end=\"3186\"\u003eChoosing a genuine Mercury Marine part is a smart decision for anyone who wants predictable, long-term reliability. OEM oil is designed to match the engineering of Mercury engines, from cold starts to heavy loads. Aftermarket oils often fall short when exposed to marine heat, moisture, and extended running. With Quicksilver, you get a product that has been tested in extreme conditions and proven to hold up season after season. It is cost-effective because it protects your engine, reduces wear, and saves you from buying parts you otherwise would not need. It is the advice any seasoned boater would share: stick with the oil that was built for your engine.\u003c\/p\u003e\n\u003chr data-start=\"3188\" data-end=\"3191\"\u003e\n\u003ch3 data-start=\"3193\" data-end=\"3206\"\u003e\u003cstrong data-start=\"3197\" data-end=\"3204\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3208\" data-end=\"3409\"\u003e\u003cstrong data-start=\"3208\" data-end=\"3293\"\u003eQ1: Which Mercury engines does Quicksilver 10W-30 4-Stroke Marine Engine Oil fit?\u003c\/strong\u003e\u003cbr data-start=\"3293\" data-end=\"3296\"\u003eIt works with most Mercury four-stroke outboards, inboards, and sterndrives that require a ten weight thirty oil.\u003c\/p\u003e\n\u003cp data-start=\"3411\" data-end=\"3595\"\u003e\u003cstrong data-start=\"3411\" data-end=\"3475\"\u003eQ2: What makes this oil different from aftermarket versions?\u003c\/strong\u003e\u003cbr data-start=\"3475\" data-end=\"3478\"\u003eIt withstands marine heat, moisture, and high-rpm conditions better, offering stronger corrosion and wear protection.\u003c\/p\u003e\n\u003cp data-start=\"3597\" data-end=\"3750\"\u003e\u003cstrong data-start=\"3597\" data-end=\"3653\"\u003eQ3: How do I know if this oil is right for my setup?\u003c\/strong\u003e\u003cbr data-start=\"3653\" data-end=\"3656\"\u003eCheck your owner’s manual. If it calls for a ten weight thirty oil, this is the proper choice.\u003c\/p\u003e\n\u003cp data-start=\"3752\" data-end=\"3886\"\u003e\u003cstrong data-start=\"3752\" data-end=\"3814\"\u003eQ4: Can this oil be used in both saltwater and freshwater?\u003c\/strong\u003e\u003cbr data-start=\"3814\" data-end=\"3817\"\u003eYes, it is formulated for reliable performance in either environment.\u003c\/p\u003e\n\u003cp data-start=\"3888\" data-end=\"4048\"\u003e\u003cstrong data-start=\"3888\" data-end=\"3949\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/strong\u003e\u003cbr data-start=\"3949\" data-end=\"3952\"\u003eYes. If you can perform a routine oil change, you will find this oil easy to pour and work with.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906358563,"sku":"PVMP0390","price":122.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078617_x3-bundle_1.jpg?v=1701377122"},{"product_id":"quicksilver-4-stroke-marine-oil-synthetic-blend-25w50-gallon-92-8m0053664-3-pack","title":"Quicksilver 4\"‘Stroke Marine Oil Synthetic Blend 25W50 - Gallon - 92-8M0053664 - 3 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e25W50 oil is often recommended for engines used in racing. This high-performance oil provides maximum lubrication for your marine engine.\u003c\/p\u003e \u003cp\u003eThis oil maintains viscosity under the most extreme operating conditions such as:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRacing: Operating engine at maximum output and high temperatures\u003c\/li\u003e \u003cli\u003eTow sports and fishing: Alternating between periods of high RPMs and throttling down to low RPMs or idle\u003c\/li\u003e \u003cli\u003eProtects against varnish buildup and sludge formation\u003c\/li\u003e \u003cli\u003eExceeds the rust protection requirements for NMMA certification\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906424099,"sku":"PVMP0391","price":191.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0053664_x3-bundle.jpg?v=1701377122"},{"product_id":"quicksilver-2-stroke-premium-plus-tcw3-synthetic-blend-marine-engine-oil-quart-92-858026q01-2-pack","title":"Quicksilver 2-Stroke Premium Plus TCW3 Synthetic Blend Marine Engine Oil \"“ Quart - 92-858026Q01 - 2 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eQuicksilvers exclusive formulation offers extreme protection for mid- to high- horsepower outboard engines. Continued use this oil will:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eProvide outstanding wear and corrosion protection which help extend engine life\u003c\/li\u003e \u003cli\u003eMinimize performance-robbing carbon deposits\u003c\/li\u003e \u003cli\u003eMaintain peak engine performance and reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e Recommended for use in oil-injected, carbureted or electronic fuel injected (EFI) mid to high horsepower outboard and jet-drive engines.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906456867,"sku":"PVMP0393","price":29.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858026q01_x2-bundle.jpg?v=1701377122"},{"product_id":"quicksilver-4-stroke-marine-oil-synthetic-blend-25w40-gallon-92-8m0078623-3-pack","title":"Mercury – 25W-40 4-Stroke Marine Engine Oil, 1 Quart | FourStroke Lubrication Series | 25W-40 Marine Oil | 8M0078619","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 25W-40 4-Stroke Marine Engine Oil, 1 Quart | FourStroke Lubrication Series | 25W-40 Marine Oil | 8M0078619\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\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\"\u003eThere’s a certain comfort in hearing your engine settle into a smooth idle after you launch. No rattles, no hesitation—just that steady, familiar hum that tells you everything is ready. Clean oil is a big part of that feeling, especially on a boat where heat, humidity, and salty air are always trying to wear things down. When you’re counting on your motor to bring you back after a long run, you don’t want to wonder if your oil can keep up.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part is a straightforward, dependable 25W-40 oil made for real marine use. I\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003et’s the kind of quart you keep on hand for a proper service or a mid-season top-off, so your engine keeps running smooth and confident all year.\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\u003cspan data-preserver-spaces=\"true\"\u003eFour-stroke marine engine oil designed for sterndrive and outboard applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eViscosity rating: 25W-40\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFormulated for superior corrosion resistance and wear protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eB\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003euilt to help reduce friction and protect internal components for long engine life\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSpecial viscosity modifiers help support \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eperformance\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e of high-revolutions-per-minute four-stroke outboards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMeets or exceeds marine industry requirements, including FC-W and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecatalyst compatible\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e FC-W standards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBottle size: 32 fluid ounces (1 quart)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0078619\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\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for use in four-stroke marine engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for many four-stroke outboards that specify 25W-40\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSuitable\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for many four-stroke sterndrive applications that specify 25W-40\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on bass boats, pontoons, center consoles, bay boats, family runabouts, and cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\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\"\u003eMarine engines ask a lot from oil. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne trip might be a long cruise at speed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe next \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emight be\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e idling through no-wake zones with the sun baking the cowling.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Oil has to protect across that whole range. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis 25W-40 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehold up under\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e heat and maintain its protective film so the engine stays feeling tight and steady when you’re running hard.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrosion protection is where marine oil really proves itself. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBoats sit between trips, often in damp air, and that downtime is when moisture can do damage \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003equietly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A corrosion-resistant formula helps protect internal parts even when the engine isn’t running, which is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what weekend boaters need. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOver time, that can mean fewer issues that creep up slowly—sticky components, extra wear, or performance that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e doesn’t feel as crisp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe quart size keeps things practical. It’s easy to pour, easy to store, and perfect for topping off after service or \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeeping\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in the garage for the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003enext\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e oil change. When your routine is simple, you’re more likely to stay on schedule, and your engine benefits every time.\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\"\u003eOil isn’t the place to guess. A genuine Mercury Marine part like this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis made\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to meet marine standards and protect against the specific threats engines face on the water—corrosion, heat, and sustained load. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for fit-for-purpose marine performance, not automotive shortcuts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket oils vary widely, and some don’t offer the same marine-focused corrosion resistance or certified performance. OEM keeps it straightforward: the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e viscosity, the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e protection, and reliable results that support long-term engine health.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines or systems does the 25W-40 4-Stroke Marine Engine Oil 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 four-stroke marine engines, including many outboards and sterndrives that specify 25W-40 in the owner’s manual.\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 built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to meet marine industry requirements, including FC-W and catalyst compatible standards, with corrosion resistance designed for boating conditions.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCheck your owner’s manual for the recommended viscosity.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If it calls for 25W-40, match the part number to 8M0078619.\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. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s formulated for marine use in \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeither environment\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, with corrosion protection that’s especially \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehelpful\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 Yes. Use it for standard oil changes or top-offs. Follow your manual for capacity, change intervals, and proper disposal.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906489635,"sku":"PVMP0392","price":155.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078623_x3-bundle.jpg?v=1701377122"},{"product_id":"quicksilver-2-stroke-premium-plus-tcw3-synthetic-blend-marine-engine-oil-quart-92-858026q01-6-pack","title":"Quicksilver 2-Stroke Premium Plus TCW3 Synthetic Blend Marine Engine Oil - Quart-  92-858026Q01 - 6 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e \u003cp\u003eQuicksilvers exclusive formulation offers extreme protection for mid- to high- horsepower outboard engines. Continued use this oil will:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eProvide outstanding wear and corrosion protection which help extend engine life\u003c\/li\u003e \u003cli\u003eMinimize performance-robbing carbon deposits\u003c\/li\u003e \u003cli\u003eMaintain peak engine performance and reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e Recommended for use in oil-injected, carbureted or electronic fuel injected (EFI) mid to high horsepower outboard and jet-drive engines.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906555171,"sku":"PVMP0394","price":89.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858026q01_x6-bundle_1.jpg?v=1701377122"},{"product_id":"quicksilver-2-stroke-premium-tcw3-marine-engine-oil-92-858022q01-gallon-3-pack","title":"Quicksilver 2-Stroke Premium TCW3 Marine Engine Oil - 92-858022Q01 - Gallon - 3 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eQuicksilvers exclusive formulation provides superior protection to help extend the life of small horsepower, outboard engines. Continued used of Quicksilver Premium 2-Cycle oil also helps:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevent corrosion of internal components\u003c\/li\u003e \u003cli\u003eMaintain peak engine performance and reliability\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e This all-weather formula provides protection in temperatures down to -13\u003csup\u003eo\u003c\/sup\u003eF\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906587939,"sku":"PVMP0395","price":102.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858022q01_x3-bundle_1.jpg?v=1701377122"},{"product_id":"quicksilver-premium-tcw3-2-stroke-outboard-oil-92-858027q01-gallon-3-pack","title":"Quicksilver Premium TCW3 2-Stroke Outboard Oil - 92-858027Q01- GALLON- 3 PACK","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e92-858027Q01 - Mercury Quicksilver Premium TCW3 2 Cycle Outboard Oil\u003c\/p\u003e \u003cp\u003e3 PACK\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906620707,"sku":"PVMP0396","price":122.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858027q01_x3-bundle_1.jpg?v=1701377122"},{"product_id":"quicksilver-4-stroke-marine-engine-oil-25w40-quart-2-pack-92-8m0078619","title":"Quicksilver 4\"‘Stroke Marine Engine Oil 25W40 - Quart - 2 Pack -92-8M0078619","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eQuicksilver's 4Stroke oil technology outperforms automotive oils in marine applications because of its specialized additive package designed for marine engines.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e e 4Stroke applications, including Outboard, MerCruiser, High Performance, Stern Drive\/Inboard, and exceeds all Marine industry 4Stroke oil requirements including FCW and FCW Catalyst Compatible. \u003c\/li\u003e \u003cli\u003eFlagship Engine and Corrosion Protection Industry leading strength and viscosity retention and ultimate corrosion and wear protection. Industry leading strength and viscosity retention and ultimate corrosion and wear protection\u003c\/li\u003e \u003cli\u003eThe most recommended Marine Oil Over 5 years of engineering and development by the largest marine engine manufacturer in the world.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906653475,"sku":"PVMP0397","price":23.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078619_2pack-bundle_1.jpg?v=1701377122"},{"product_id":"quicksilver-4-stroke-marine-engine-oil-25w40-92-8m0078619-6-pack","title":"Mercury – Quicksilver 25W-40 4-Stroke Marine Engine Oil, 1 Quart | Marine Engine Oil | Standard Finish | 8M0078619","description":"\u003cp data-start=\"0\" data-end=\"132\"\u003e\u003cstrong data-start=\"0\" data-end=\"130\"\u003eMercury – Quicksilver 25W-40 4-Stroke Marine Engine Oil, 1 Quart | Marine Engine Oil | Standard Finish | 8M0078619\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"134\" data-end=\"137\"\u003e\n\u003ch3 data-start=\"139\" data-end=\"157\"\u003e\u003cstrong data-start=\"143\" data-end=\"155\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"158\" data-end=\"718\"\u003eThere’s something comforting about knowing your engine is running on clean, trusted oil — that steady hum, that smooth throttle response, that quiet confidence as you head out from the dock. When you spend your weekends on the water, you start to appreciate the small things that keep every trip easy and trouble-free. Quicksilver 25W-40 4-Stroke Marine Engine Oil, part number 8M0078619, is one of those essentials you reach for because it never lets you down. It delivers the kind of protection that makes boating feel simpler, safer, and far more enjoyable.\u003c\/p\u003e\n\u003chr data-start=\"720\" data-end=\"723\"\u003e\n\u003ch3 data-start=\"725\" data-end=\"747\"\u003e\u003cstrong data-start=\"729\" data-end=\"745\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"748\" data-end=\"1049\"\u003e\n\u003cli data-start=\"748\" data-end=\"804\"\u003e\n\u003cp data-start=\"750\" data-end=\"804\"\u003eDesigned specifically for four-stroke marine engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"805\" data-end=\"875\"\u003e\n\u003cp data-start=\"807\" data-end=\"875\"\u003eFormulated for corrosion resistance and dependable wear protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"876\" data-end=\"936\"\u003e\n\u003cp data-start=\"878\" data-end=\"936\"\u003eSpecial viscosity modifiers support high-rpm performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"937\" data-end=\"975\"\u003e\n\u003cp data-start=\"939\" data-end=\"975\"\u003eTwenty-five weight forty viscosity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"976\" data-end=\"1008\"\u003e\n\u003cp data-start=\"978\" data-end=\"1008\"\u003eThirty-two ounce bottle size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1009\" data-end=\"1049\"\u003e\n\u003cp data-start=\"1011\" data-end=\"1049\"\u003eMercury Marine part number 8M0078619\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1051\" data-end=\"1054\"\u003e\n\u003ch3 data-start=\"1056\" data-end=\"1093\"\u003e\u003cstrong data-start=\"1060\" data-end=\"1091\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1094\" data-end=\"1404\"\u003e\n\u003cli data-start=\"1094\" data-end=\"1156\"\u003e\n\u003cp data-start=\"1096\" data-end=\"1156\"\u003eSuitable for a wide range of Mercury four-stroke outboards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1157\" data-end=\"1234\"\u003e\n\u003cp data-start=\"1159\" data-end=\"1234\"\u003eWorks well in Mercury sterndrive and inboard systems requiring 25W-40 oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1235\" data-end=\"1316\"\u003e\n\u003cp data-start=\"1237\" data-end=\"1316\"\u003eCompatible with many other marine engine brands using four-stroke lubrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1317\" data-end=\"1404\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1404\"\u003eSeen on pontoons, bass boats, center consoles, cruisers, and versatile family boats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1406\" data-end=\"1409\"\u003e\n\u003ch3 data-start=\"1411\" data-end=\"1453\"\u003e\u003cstrong data-start=\"1415\" data-end=\"1451\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1454\" data-end=\"1805\"\u003eThe difference this oil makes shows up in the way your engine behaves. It fires up cleanly, settles into a smooth idle, and holds steady when the waves get choppy or the load gets heavy. The viscosity stays consistent, giving your internal components the cushion they need to operate without grinding, overheating, or wearing down before their time.\u003c\/p\u003e\n\u003cp data-start=\"1807\" data-end=\"2415\"\u003eHigh-rpm outboards benefit from its stability, especially during long runs when heat and pressure can push lesser oils to their limits. This blend keeps things smooth and controlled, and you’ll feel that when you throttle up and the engine responds without hesitation. The corrosion protection is another quiet hero here. Salt, humidity, and temperature swings are constant companions on the water, and this oil helps create a durable barrier that lets your engine age more gracefully. It supports easier upkeep, fewer surprises during maintenance, and a stronger sense of reliability each time you head out.\u003c\/p\u003e\n\u003chr data-start=\"2417\" data-end=\"2420\"\u003e\n\u003ch3 data-start=\"2422\" data-end=\"2443\"\u003e\u003cstrong data-start=\"2426\" data-end=\"2441\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2444\" data-end=\"2984\"\u003eChoosing a genuine Mercury Marine part is really about eliminating guesswork. You know the oil was engineered, tested, and refined for the exact conditions your engine faces. It performs right the first time and stays consistent through the whole season. Aftermarket oils often promise a lot but fall short when marine environments push them harder than automotive blends ever endure. With OEM oil, you get long-term protection, predictable performance, and peace of mind — the kind of advice any experienced boater would gladly pass along.\u003c\/p\u003e\n\u003chr data-start=\"2986\" data-end=\"2989\"\u003e\n\u003ch3 data-start=\"2991\" data-end=\"3004\"\u003e\u003cstrong data-start=\"2995\" data-end=\"3002\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3006\" data-end=\"3193\"\u003e\u003cstrong data-start=\"3006\" data-end=\"3091\"\u003eQ1: Which Mercury engines does Quicksilver 25W-40 4-Stroke Marine Engine Oil fit?\u003c\/strong\u003e\u003cbr data-start=\"3091\" data-end=\"3094\"\u003eIt works with most Mercury four-stroke outboards, sterndrives, and inboards requiring a 25W-40 oil.\u003c\/p\u003e\n\u003cp data-start=\"3195\" data-end=\"3377\"\u003e\u003cstrong data-start=\"3195\" data-end=\"3258\"\u003eQ2: What makes this oil different from aftermarket options?\u003c\/strong\u003e\u003cbr data-start=\"3258\" data-end=\"3261\"\u003eIt’s engineered for marine heat, moisture, and high-rpm conditions, offering stronger corrosion and wear protection.\u003c\/p\u003e\n\u003cp data-start=\"3379\" data-end=\"3563\"\u003e\u003cstrong data-start=\"3379\" data-end=\"3439\"\u003eQ3: How do I know if it’s the correct oil for my engine?\u003c\/strong\u003e\u003cbr data-start=\"3439\" data-end=\"3442\"\u003eCheck your owner’s manual. If it specifies twenty-five weight forty for four-stroke lubrication, this is the right match.\u003c\/p\u003e\n\u003cp data-start=\"3565\" data-end=\"3712\"\u003e\u003cstrong data-start=\"3565\" data-end=\"3640\"\u003eQ4: Can this oil be used in both saltwater and freshwater environments?\u003c\/strong\u003e\u003cbr data-start=\"3640\" data-end=\"3643\"\u003eYes, its corrosion-resistant formulation is built for either setting.\u003c\/p\u003e\n\u003cp data-start=\"3714\" data-end=\"3853\"\u003e\u003cstrong data-start=\"3714\" data-end=\"3754\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"3754\" data-end=\"3757\"\u003eVery. If you can perform a basic oil change, you’ll find this bottle easy to pour and work with.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906686243,"sku":"PVMP0398","price":71.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078619_6pack-bundle.jpg?v=1701377123"},{"product_id":"quicksilver-2-stroke-dfi-synthetic-blend-marine-engine-oil-gallon-92-858037q01-3-pack","title":"Quicksilver 2-Stroke DFI Synthetic Blend Marine Engine Oil - GALLON - 92-858037Q01 - 3 Pack","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eQuicksilver 2-Stroke DFI Synthetic Blend Marine Engine Oil - GALLON - 92-858037Q01 - 3 PACK\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906719011,"sku":"PVMP0399","price":167.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-858037q01_x3-bundle_1.jpg?v=1701377123"},{"product_id":"quicksilver-4-stroke-25w40-marine-engine-oil-gallon-92-8m0078620-3-pack","title":"Mercury – Quicksilver 25W-40 4-Stroke Marine Engine Oil | Marine Engine Oil | Standard Finish | 8M0078620","description":"\u003cp data-start=\"0\" data-end=\"123\"\u003e\u003cstrong data-start=\"0\" data-end=\"121\"\u003eMercury – Quicksilver 25W-40 4-Stroke Marine Engine Oil | Marine Engine Oil | Standard Finish | 8M0078620\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=\"717\"\u003eEvery boater knows that a smooth-running engine changes the whole feel of a day on the water. There’s a calm that settles in when you turn the key and hear that steady, confident hum you’ve come to trust. Quicksilver 25W-40 4-Stroke Marine Engine Oil, part number 8M0078620, is one of those behind-the-scenes essentials that helps make that moment possible. It brings the kind of protection that lets you push off from the dock without second-guessing what’s happening inside your engine, whether you are chasing a quiet sunrise or heading out for a long run offshore.\u003c\/p\u003e\n\u003chr data-start=\"719\" data-end=\"722\"\u003e\n\u003ch3 data-start=\"724\" data-end=\"746\"\u003e\u003cstrong data-start=\"728\" data-end=\"744\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"747\" data-end=\"1076\"\u003e\n\u003cli data-start=\"747\" data-end=\"803\"\u003e\n\u003cp data-start=\"749\" data-end=\"803\"\u003eDesigned specifically for four-stroke marine engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"804\" data-end=\"881\"\u003e\n\u003cp data-start=\"806\" data-end=\"881\"\u003eFormulated for strong corrosion resistance and dependable wear protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"882\" data-end=\"962\"\u003e\n\u003cp data-start=\"884\" data-end=\"962\"\u003eSpecial viscosity modifiers support high-rpm performance in modern outboards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"963\" data-end=\"1008\"\u003e\n\u003cp data-start=\"965\" data-end=\"1008\"\u003eTwenty-five weight forty viscosity rating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1009\" data-end=\"1035\"\u003e\n\u003cp data-start=\"1011\" data-end=\"1035\"\u003eOne gallon bottle size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1036\" data-end=\"1076\"\u003e\n\u003cp data-start=\"1038\" data-end=\"1076\"\u003eMercury Marine part number 8M0078620\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1078\" data-end=\"1081\"\u003e\n\u003ch3 data-start=\"1083\" data-end=\"1120\"\u003e\u003cstrong data-start=\"1087\" data-end=\"1118\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1121\" data-end=\"1457\"\u003e\n\u003cli data-start=\"1121\" data-end=\"1198\"\u003e\n\u003cp data-start=\"1123\" data-end=\"1198\"\u003eSuitable for Mercury outboards across a broad range of horsepower classes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1199\" data-end=\"1283\"\u003e\n\u003cp data-start=\"1201\" data-end=\"1283\"\u003eWorks effectively in Mercury sterndrive and inboard systems requiring 25W-40 oil\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1284\" data-end=\"1373\"\u003e\n\u003cp data-start=\"1286\" data-end=\"1373\"\u003eCompatible with many other leading marine engine brands using four-stroke lubrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1374\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1457\"\u003eIdeal for pontoons, bass boats, center consoles, cruisers, and family runabouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1459\" data-end=\"1462\"\u003e\n\u003ch3 data-start=\"1464\" data-end=\"1506\"\u003e\u003cstrong data-start=\"1468\" data-end=\"1504\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1507\" data-end=\"1963\"\u003eOut on the water, you feel the difference good oil makes long before you think about it. The engine stays smooth during long idle stretches and steady when you push up through the throttle. This Quicksilver formula is designed to hold its viscosity even when temperatures climb or the load gets heavy, keeping the internal surfaces protected and running clean. That means tighter control, fewer surprises, and a stronger sense of trust in your equipment.\u003c\/p\u003e\n\u003cp data-start=\"1965\" data-end=\"2439\"\u003eThe corrosion protection is something seasoned boaters appreciate most. Salt, moisture, and constant temperature swings can take a toll on any engine, but this oil creates a durable protective layer that slows that wear down. Over time, that translates to easier maintenance, healthier components, and a quieter mind when you are miles from the dock. Even high-rpm engines benefit from its stability, giving you smooth acceleration and a confident response when you need it.\u003c\/p\u003e\n\u003chr data-start=\"2441\" data-end=\"2444\"\u003e\n\u003ch3 data-start=\"2446\" data-end=\"2467\"\u003e\u003cstrong data-start=\"2450\" data-end=\"2465\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2468\" data-end=\"3071\"\u003eChoosing a genuine Mercury Marine part is more than sticking with a familiar brand — it is choosing something that was engineered for the exact demands your engine faces. OEM oil is tested under the same extreme conditions as the engines themselves, so it delivers long-term reliability and consistent performance. Aftermarket blends often drift in quality, but Mercury oils are designed to protect, last, and fit the needs of your equipment the first time. It is a practical choice that saves money and stress in the long run, especially when you are committed to keeping your boat running at its best.\u003c\/p\u003e\n\u003chr data-start=\"3073\" data-end=\"3076\"\u003e\n\u003ch3 data-start=\"3078\" data-end=\"3091\"\u003e\u003cstrong data-start=\"3082\" data-end=\"3089\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3093\" data-end=\"3292\"\u003e\u003cstrong data-start=\"3093\" data-end=\"3178\"\u003eQ1: Which Mercury engines does Quicksilver 25W-40 4-Stroke Marine Engine Oil fit?\u003c\/strong\u003e\u003cbr data-start=\"3178\" data-end=\"3181\"\u003eIt is suitable for most Mercury four-stroke outboard, sterndrive, and inboard engines calling for a 25W-40 oil.\u003c\/p\u003e\n\u003cp data-start=\"3294\" data-end=\"3527\"\u003e\u003cstrong data-start=\"3294\" data-end=\"3362\"\u003eQ2: What makes this oil different from aftermarket alternatives?\u003c\/strong\u003e\u003cbr data-start=\"3362\" data-end=\"3365\"\u003eIt offers stronger corrosion resistance, better wear protection, and more stable viscosity under load because it is engineered specifically for marine conditions.\u003c\/p\u003e\n\u003cp data-start=\"3529\" data-end=\"3705\"\u003e\u003cstrong data-start=\"3529\" data-end=\"3586\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/strong\u003e\u003cbr data-start=\"3586\" data-end=\"3589\"\u003eCheck your engine manual. If it lists twenty-five weight forty for four-stroke lubrication, this is the right match.\u003c\/p\u003e\n\u003cp data-start=\"3707\" data-end=\"3879\"\u003e\u003cstrong data-start=\"3707\" data-end=\"3782\"\u003eQ4: Can this oil be used in both saltwater and freshwater applications?\u003c\/strong\u003e\u003cbr data-start=\"3782\" data-end=\"3785\"\u003eYes, it performs reliably in either environment thanks to its corrosion-resistant formulation.\u003c\/p\u003e\n\u003cp data-start=\"3881\" data-end=\"4056\"\u003e\u003cstrong data-start=\"3881\" data-end=\"3921\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"3921\" data-end=\"3924\"\u003eAbsolutely. If you are comfortable performing your own oil changes, you will find this oil easy to work with and consistent to pour.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125906751779,"sku":"PVMP0400","price":122.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0078620_1_1-bundle_1.jpg?v=1701377123"}],"url":"https:\/\/partsvu.com\/en-au\/collections\/mercury-quicksilver-outboard-engine-oil.oembed?page=2","provider":"PartsVu","version":"1.0","type":"link"}