{"title":"Mercury Mercruiser Drive System","description":"\u003ch2\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Mercruiser Propulsion System Parts - Information \u0026amp; Resources\u003c\/span\u003e\u003c\/h2\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eOver time and heavy usage, your Mercury MerCruiser drive system may experience wear and tear. A poorly performing drive system, including the lower unit and other moving parts, means that you’ll gradually experience loss of RPMs, erratic steering, uneven wear, and - in extreme cases - a completely unusable boat. That’s why it's so crucial to regularly maintain your MerCruiser during every \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/mercury-maintenance-schedule\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e100 \u0026amp; 300 hour service interval\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e to troubleshoot where your engine may need work - especially because many drive system problems are not easy to spot from the \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-mercruiser-external-engine\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eexternal engine\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eCheck out some of our helpful MerCruiser resources to find what you need to know about your MerCruiser, inboard, and sterndrive motors:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercury-mercruiser-inboard-engine-care-maintenance\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMerCruiser Inboard Maintenance\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMerCruiser Maintenance Parts Library\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercury-outboard-and-mercruiser-resources-collection\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury Outboard and Mercruiser Resources Collection\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePartsVu offers the following Mercury MerCruiser Drive System Parts and Mercury MerCruiser Drive System Kits:\u003c\/span\u003e\u003c\/p\u003e \u003cul\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-drive-u-joint-and-components\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eU-Joint and Components\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-gear-repair-kits-and-driveshaft-housing\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGear Repair Kits - Driveshaft Housing\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-gear-sets-and-driveshaft-housing\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGear Sets - Driveshaft Housing\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-gear-repair-kits-and-gear-housing\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eGear Repair Kits - Gear Housing\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-seal-and-bearing-kits-and-gear-housing\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eSeal \u0026amp; Bearing Kits - Gear Housing\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-seal-kits-for-driveshaft-housing\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eSeal Kits - Driveshaft Housing\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercruiser-seal-kits-for-gear-housing\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eSeal Kits - Gear Housing\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003ch2\u003e\u003cstrong\u003eMercury Mercruiser Drive System FAQs\u003c\/strong\u003e\u003c\/h2\u003e \u003ch3\u003e\u003cstrong\u003eHow can I best maintain the optimal performance of my MerCruiser lower unit?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eChanging the gear lube of your MerCruiser motor is essential for ensuring its longevity and smooth operation. Having the parts and products on hand makes performing this critical maintenance step a breeze, which is why a \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-outboard-gear-lube-kits\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMerCruiser marine gear lube kit\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e is a smart and convenient way to keep your MerCruiser motor running smoothly for years to come. Here are a few reasons why you should change your oil:\u003c\/span\u003e\u003c\/p\u003e \u003col\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e \u003cstrong\u003eIncreased MerCruiser Lifespan \u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e- Your MerCruiser engine begins to degrade from the moment it leaves the factory and accelerates through use. This is especially true if your engine is used heavily at high RPMs, is allowed to corrode, experiences improper long-term storage, and a lack of observing all regular maintenance intervals.\u003c\/span\u003e \u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e \u003cstrong\u003eDIY MerCruiser Repairs Save Time and Money \u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e- With little effort over a few hours, you can \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercruiser-oil-change-in-8-easy-steps\"\u003e\u003cspan style=\"font-weight: 400;\"\u003echange your MerCruiser oil\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e, replace routine parts, and lube up your engine - all for much less cash and time spent in the local marine mechanic shop.\u003c\/span\u003e \u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e \u003cstrong\u003eChange Your MerCruiser Lower Unit Oil \u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e- Oil and grease are the primary lubricants that keep your outboard in the water and out of the repair shop. PartsVu.com’s MerCruiser marine gear lube kits ensure you have the right kind of oil for your engine at premium quality. \u003c\/span\u003e \u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e \u003cstrong\u003eMaintain Regular Outboard Service Intervals\u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e - MerCruiser motors require \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/mercury-mercruiser-100-300-hour-service-kits\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eregular maintenance\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e to stay reliable out on the water and avoid breakdowns. This maintenance must occur after 20 hours of service for new engines, then every 100 hours.\u003c\/span\u003e \u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e \u003cstrong\u003eConvenience \u003c\/strong\u003e\u003cspan style=\"font-weight: 400;\"\u003e- PartsVu.com’s MerCruiser marine gear lube kits have everything you need to perform gear lube changes and help prevent buying the wrong item or compromising on quality. This includes: Mercury brand gear lube, MerCruiser gear lube pump, and MerCruiser lower unit drain gaskets. Choose the kit that matches your particular model for the correct oil and MerCruiser parts to get the job done easily.\u003c\/span\u003e \u003c\/li\u003e \u003c\/ol\u003e \u003ch3\u003e\u003cstrong\u003eHow do you grease a MerCruiser motor?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eGreasing your MerCruiser is an important part of keeping the drive system functioning optimally and preventing excessive wear on high-friction areas. Plus, it’s an essential part of your \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/mercury-maintenance-schedule\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e100-hour and 300-hour service intervals\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e that helps preserve your MerCruiser warranty.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo grease your MerCruiser motor, load a tube of \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/?q=Mercury%20grease\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercury grease\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e into the grease gun and use a trigger-activated plunger to slowly dispense the grease directly into the grease points.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eGrease points are metal fittings attached to your outboard motor that allow grease to be fed into the system under moderate to heavy pressure. Because you don’t have to remove most engine components to access the grease points, they’re easy to work with. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you’re not sure where to find grease points on your Mercury MerCruiser, refer to your service manual for your particular MerCruiser model outboard and add grease where specified.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e \u003cstrong\u003eHow do you perform a \u003c\/strong\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercruiser-oil-change-in-8-easy-steps\"\u003e\u003cstrong\u003eMerCruiser motor oil change\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e?\u003c\/strong\u003e \u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003ePerforming needed maintenance in a timely manner on your MerCruiser is the key to its overall longevity and reliability. The procedure isn’t complicated but can get messy if you don’t know what you’re doing. \u003c\/span\u003e\u003c\/p\u003e \u003col\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eLoosen your oil filter to help vent the system.\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemove your dipstick, insert your oil pump, and once your oil pump is inserted into the dipstick tube, pull the oil out into your oil capture container.\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemove the old oil filter the rest of the way.\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003ePrep the new filter for installation by applying a light film of oil onto the face seal of the Mercruiser oil filter.\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eThread the oil filter onto the oil filter mount and hand tighten.\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eRemove your Mercruiser’s fill cap and insert your funnel to prepare to add the new oil.\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eFill the engine with the recommended oil with the proper quantity of oil—4.5 liters for a 4.5L sterndrive and 4.7 liters for a 6.2L sterndrive. We recommend using Mercury 25W-40 Synthetic Blend Oil; however, you can use Mercury 25W-40 oil.\u003c\/span\u003e\u003c\/li\u003e \u003cli style=\"font-weight: 400;\" aria-level=\"1\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eIt’s a good idea to run the engine with the proper water supply to check for any leaks and make sure that the proper oil level is maintained.\u003c\/span\u003e\u003c\/li\u003e \u003c\/ol\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eTo avoid a big mess, use one of our MerCruiser service kits to perform a quick and easy \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercruiser-oil-change-in-8-easy-steps\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMerCruiser oil change\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eFor more info, refer to our \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/mercruiser-oil-change-in-8-easy-steps\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMercruiser Oil Change In 8 Easy Steps\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e article and to verify any details that may pertain to your specific engine model, please refer to your Mercury Mercruiser owner’s manual.\u003c\/span\u003e\u003c\/p\u003e \u003ch3\u003e\u003cstrong\u003eHow do I use MerCruiser schematics?\u003c\/strong\u003e\u003c\/h3\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eIf you’re looking for in-depth information for maintaining and repairing the drive system of your MerCruiser engine, PartsVu offers \u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/pages\/vu-schematic?amp%3Bitm_campaign=yamaha-schematic\u0026amp;amp%3Bitm_medium=in-text\u0026amp;itm_source=blog-how-to-select-the-right-yamaha-outboards-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eMerCruisers Engine Schematics\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e and our helpful article, “\u003c\/span\u003e\u003ca href=\"https:\/\/partsvu.com\/blogs\/boating-resources\/how-to-select-the-right-mercruiser-parts\"\u003e\u003cspan style=\"font-weight: 400;\"\u003eHow to Select the Right MerCruiser Parts\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e”. \u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eAfter you’ve read our article and have the schematics on hand, start browsing the\u003c\/span\u003e\u003ca href=\"https:\/\/www.mercurymarine.com\/en\/us\/parts-and-accessories\/parts-catalog\"\u003e\u003cspan style=\"font-weight: 400;\"\u003e Mercury MerCruiser schematics page\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"font-weight: 400;\"\u003e. Once there, you will choose the right parts for your MerCruiser by searching either by your outboard’s Primary Identification Number (PID) located at the top of this page or look up your model using a series of dropdown menus on the left side of the page.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003eThere are also a wealth of helpful videos on Youtube and other video platforms. While you may not be able to find your exact engine model, you can gain real insight into what work is involved to resolve your issues, plus great tips that you would only learn from experienced Mercury marine mechanics.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-weight: 400;\"\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003ePartsVu offers genuine OEM Mercury MerCruiser parts and replacements for MerCruiser sterndrives. Engineered with the highest-quality components and top-performing specifications, Mercury MerCruiser engines are engineered for the rigorous demands of marine duty and modern design specifications. Find the MerCruiser drive system parts you need today by shopping with PartsVu!\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"mercury-mercruiser-bearing-carrier-seal-1-188-shaft-size-1-687-o-d-0-250-width-fits-o-b-mcm-propshaft-26-76868","title":"Mercury Mercruiser - Bearing Carrier Seal - 1.188\" Shaft Size\/ 1.687\" O.D.\/ 0.250\" Width - Fits O\/B \u0026 MCM Propshaft - 26-76868","description":"\u003cp\u003e1.188\" Shaft Size\/ 1.687\" O.D.\/ 0.250\" Width\u003c\/p\u003e \u003cp\u003eFits O\/B \u0026amp; MCM propshaft\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626528563491,"sku":"26-76868","price":13.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV742243.jpg?v=1698815115"},{"product_id":"mercury-mercruiser-plug-for-trim-tab-screw-hole-19-47579","title":"Mercury Mercruiser - Plug - For Trim Tab Screw Hole - 19-47579","description":"\u003cp\u003eFor trim tab screw hole\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626566803747,"sku":"19-47579","price":1.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/19-47579_2_copy.jpg?v=1698816586"},{"product_id":"mercury-mercruiser-quad-ring-seal-orange-fits-r-mr-alpha-bravo-drives-26-455771","title":"Mercury Mercruiser - Quad Ring Seal - Orange - Fits R, MR, Alpha \u0026 Bravo Drives - 26-455771","description":"\u003cp\u003eOrange color\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eR\u003c\/li\u003e \u003cli\u003eMR\u003c\/li\u003e \u003cli\u003eAlpha \u0026amp; Bravo drives\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626567295267,"sku":"26-455771","price":3.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/26-45577-1.jpg?v=1698779638"},{"product_id":"mercury-mercruiser-seal-kit-fits-bravo-i-ii-iii-x-xr-xz-26-16709a2","title":"Mercury – Quicksilver Driveshaft Housing Seal Kit | Sterndrive Maintenance Kit | Rubber and Composite | 16709A2","description":"\u003cp data-start=\"0\" data-end=\"117\"\u003e\u003cstrong data-start=\"0\" data-end=\"115\"\u003eMercury – Quicksilver Driveshaft Housing Seal Kit | Sterndrive Maintenance Kit | Rubber and Composite | 16709A2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"119\" data-end=\"122\"\u003e\n\u003ch3 data-start=\"124\" data-end=\"142\"\u003e\u003cstrong data-start=\"128\" data-end=\"140\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"143\" data-end=\"696\"\u003eA sterndrive only performs as well as the seals protecting it. The \u003cstrong data-start=\"210\" data-end=\"276\"\u003eMercury Marine 16709A2 Quicksilver Driveshaft Housing Seal Kit\u003c\/strong\u003e keeps your MerCruiser Bravo drive watertight and running smooth. Designed for \u003cstrong data-start=\"355\" data-end=\"402\"\u003eBravo I, II, III, X, XR, and XZ sterndrives\u003c\/strong\u003e, this OEM kit includes the seals, gaskets, and o-rings you need to restore factory-tight protection in your driveshaft housing. It’s precision-built for durability and fit, so when you finish your service, you can trust your drive to stay sealed and strong through long seasons on the water.\u003c\/p\u003e\n\u003chr data-start=\"698\" data-end=\"701\"\u003e\n\u003ch3 data-start=\"703\" data-end=\"725\"\u003e\u003cstrong data-start=\"707\" data-end=\"723\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"728\" data-end=\"848\"\u003e\n\u003cstrong data-start=\"728\" data-end=\"740\"\u003ePurpose:\u003c\/strong\u003e Replaces worn seals and o-rings to maintain a watertight driveshaft housing and proper gearcase pressure.\u003c\/li\u003e\n\u003cli data-start=\"851\" data-end=\"976\"\u003e\n\u003cstrong data-start=\"851\" data-end=\"864\"\u003eMaterial:\u003c\/strong\u003e Made from \u003cstrong data-start=\"875\" data-end=\"922\"\u003ehigh-quality rubber and composite materials\u003c\/strong\u003e designed to withstand oil, heat, and salt exposure.\u003c\/li\u003e\n\u003cli data-start=\"979\" data-end=\"1095\"\u003e\n\u003cstrong data-start=\"979\" data-end=\"997\"\u003eDesign Detail:\u003c\/strong\u003e Precision-molded to \u003cstrong data-start=\"1018\" data-end=\"1055\"\u003eMercury Marine OEM specifications\u003c\/strong\u003e for exact fit and consistent sealing.\u003c\/li\u003e\n\u003cli data-start=\"1098\" data-end=\"1206\"\u003e\n\u003cstrong data-start=\"1098\" data-end=\"1111\"\u003eContents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1121\" data-end=\"1166\"\u003eall necessary seals, gaskets, and o-rings\u003c\/strong\u003e for a full driveshaft housing reseal.\u003c\/li\u003e\n\u003cli data-start=\"1209\" data-end=\"1307\"\u003e\n\u003cstrong data-start=\"1209\" data-end=\"1225\"\u003ePerformance:\u003c\/strong\u003e Keeps water out, gear lube in, and your Bravo drive running at peak efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1397\" data-end=\"1400\"\u003e\n\u003ch3 data-start=\"1402\" data-end=\"1439\"\u003e\u003cstrong data-start=\"1406\" data-end=\"1437\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1442\" data-end=\"1520\"\u003e\n\u003cstrong data-start=\"1447\" data-end=\"1517\"\u003eMerCruiser Bravo I, Bravo II, Bravo III, X, XR, and XZ sterndrives\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1523\" data-end=\"1623\"\u003eCommonly found on \u003cstrong data-start=\"1541\" data-end=\"1599\"\u003ecruisers, performance boats, and sport-fishing vessels\u003c\/strong\u003e running Bravo drives.\u003c\/li\u003e\n\u003cli data-start=\"1626\" data-end=\"1679\"\u003eSuitable for both \u003cstrong data-start=\"1644\" data-end=\"1672\"\u003efreshwater and saltwater\u003c\/strong\u003e use.\u003c\/li\u003e\n\u003cli data-start=\"1682\" data-end=\"1754\"\u003eRecommended anytime the \u003cstrong data-start=\"1706\" data-end=\"1751\"\u003edriveshaft housing is serviced or removed\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1756\" data-end=\"1759\"\u003e\n\u003ch3 data-start=\"1761\" data-end=\"1803\"\u003e\u003cstrong data-start=\"1765\" data-end=\"1801\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1804\" data-end=\"2145\"\u003eThis kit does more than just seal the housing — it protects your entire drive from water intrusion and gear lube leaks. The seals are built from oil- and heat-resistant materials that hold their shape under load and temperature changes. Each gasket and o-ring is sized to Mercury’s exact tolerances for a leak-free installation every time.\u003c\/p\u003e\n\u003cp data-start=\"2147\" data-end=\"2360\"\u003eBy replacing these seals during maintenance, you prevent costly corrosion and gear damage. Once installed, you’ll have confidence that your Bravo drive is tight, protected, and ready for long runs without worry.\u003c\/p\u003e\n\u003chr data-start=\"2362\" data-end=\"2365\"\u003e\n\u003ch3 data-start=\"2367\" data-end=\"2388\"\u003e\u003cstrong data-start=\"2371\" data-end=\"2386\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2389\" data-end=\"2666\"\u003eSeals and o-rings might look alike across brands, but fit and material quality are what make the difference. The \u003cstrong data-start=\"2502\" data-end=\"2525\"\u003eQuicksilver 16709A2\u003c\/strong\u003e is a \u003cstrong data-start=\"2531\" data-end=\"2562\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, molded and tested to withstand the torque, vibration, and salt exposure of real marine environments.\u003c\/p\u003e\n\u003cp data-start=\"2668\" data-end=\"2993\"\u003eWith OEM parts, you know you’re getting the correct dimensions, material hardness, and performance standards. It’s the same quality Mercury uses in their factory assemblies, giving you reliability that aftermarket kits simply can’t guarantee. When it comes to sealing your drive, precision isn’t optional — it’s protection.\u003c\/p\u003e\n\u003chr data-start=\"2995\" data-end=\"2998\"\u003e\n\u003ch3 data-start=\"3000\" data-end=\"3013\"\u003e\u003cstrong data-start=\"3004\" data-end=\"3011\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3015\" data-end=\"3156\"\u003e\u003cstrong data-start=\"3015\" data-end=\"3065\"\u003eQ1: Which MerCruiser drives does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"3065\" data-end=\"3068\"\u003eIt fits \u003cstrong data-start=\"3076\" data-end=\"3153\"\u003eBravo I, Bravo II, Bravo III, Bravo X, Bravo XR, and Bravo XZ sterndrives\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3158\" data-end=\"3286\"\u003e\u003cstrong data-start=\"3158\" data-end=\"3193\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"3193\" data-end=\"3196\"\u003eIt includes all \u003cstrong data-start=\"3212\" data-end=\"3243\"\u003eseals, o-rings, and gaskets\u003c\/strong\u003e needed to reseal the driveshaft housing.\u003c\/p\u003e\n\u003cp data-start=\"3288\" data-end=\"3477\"\u003e\u003cstrong data-start=\"3288\" data-end=\"3348\"\u003eQ3: What makes this kit better than aftermarket options?\u003c\/strong\u003e\u003cbr data-start=\"3348\" data-end=\"3351\"\u003eIt’s built to \u003cstrong data-start=\"3365\" data-end=\"3388\"\u003eMercury’s OEM specs\u003c\/strong\u003e, ensuring perfect fit, correct material composition, and reliable sealing performance.\u003c\/p\u003e\n\u003cp data-start=\"3479\" data-end=\"3615\"\u003e\u003cstrong data-start=\"3479\" data-end=\"3528\"\u003eQ4: Can it be used in saltwater environments?\u003c\/strong\u003e\u003cbr data-start=\"3528\" data-end=\"3531\"\u003eYes — the rubber and composite materials resist salt, oil, and temperature damage.\u003c\/p\u003e\n\u003cp data-start=\"3617\" data-end=\"3778\"\u003e\u003cstrong data-start=\"3617\" data-end=\"3659\"\u003eQ5: When should I replace these seals?\u003c\/strong\u003e\u003cbr data-start=\"3659\" data-end=\"3662\"\u003eAnytime the \u003cstrong data-start=\"3674\" data-end=\"3719\"\u003edriveshaft housing is removed or serviced\u003c\/strong\u003e, or if you notice water contamination in your gear lube.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626568769827,"sku":"26-16709A2","price":119.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/16709a2_main.jpg?v=1760631147"},{"product_id":"mercury-o-ring-1-046-i-d-x-139-width-fits-alpha-bravo-u-joint-yoke-25-35027","title":"Mercury - O-Ring - 1.046\" I.D. x .139\" Width - Fits Alpha \u0026 Bravo U-Joint Yoke - 25-35027","description":"\u003cp\u003e1.046\" I.D. x .139\" width\u003c\/p\u003e \u003cp\u003eFits Alpha \u0026amp; Bravo u\"‘joint yoke\u003c\/p\u003e \u003cp\u003ePriced individually\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626568802595,"sku":"25-35027","price":1.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/25-35027.jpg?v=1698815487"},{"product_id":"mercury-mercruiser-bearing-carrier-seal-26-815565","title":"Mercury – Quicksilver 815565 Bearing Carrier Oil Seal | Mercury \u0026 Mariner 150–300HP Outboards | Bravo I XR\/XZ Sterndrives | 815565","description":"\u003cp data-start=\"0\" data-end=\"136\"\u003e\u003cstrong data-start=\"0\" data-end=\"134\"\u003eMercury – Quicksilver 815565 Bearing Carrier Oil Seal | Mercury \u0026amp; Mariner 150–300HP Outboards | Bravo I XR\/XZ Sterndrives | 815565\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"138\" data-end=\"141\"\u003e\n\u003ch3 data-start=\"143\" data-end=\"161\"\u003e\u003cstrong data-start=\"147\" data-end=\"159\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"162\" data-end=\"516\"\u003eKeeping water out and oil in — that’s the quiet job of the \u003cstrong data-start=\"221\" data-end=\"268\"\u003eQuicksilver 815565 Bearing Carrier Oil Seal\u003c\/strong\u003e, and it’s one that makes a big difference in how long your outboard or sterndrive lasts. This OEM seal fits \u003cstrong data-start=\"377\" data-end=\"456\"\u003eMercury and Mariner 2-stroke and 4-stroke outboards from 150–300 horsepower\u003c\/strong\u003e, as well as \u003cstrong data-start=\"469\" data-end=\"513\"\u003eMerCruiser Bravo I XR and XZ sterndrives\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"518\" data-end=\"795\"\u003eIt’s built for the harshest marine environments, sealing critical driveline components from water intrusion while holding oil pressure steady. When it comes to protecting your lower unit from corrosion and wear, this little part is one of the most important lines of defense.\u003c\/p\u003e\n\u003chr data-start=\"797\" data-end=\"800\"\u003e\n\u003ch3 data-start=\"802\" data-end=\"824\"\u003e\u003cstrong data-start=\"806\" data-end=\"822\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"827\" data-end=\"934\"\u003e\n\u003cstrong data-start=\"827\" data-end=\"839\"\u003ePurpose:\u003c\/strong\u003e Prevents water intrusion and oil leakage around the bearing carrier to protect the gearcase.\u003c\/li\u003e\n\u003cli data-start=\"937\" data-end=\"1077\"\u003e\n\u003cstrong data-start=\"937\" data-end=\"949\"\u003eFitment:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"963\" data-end=\"1028\"\u003eMercury and Mariner 150–300HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e, and \u003cstrong data-start=\"1034\" data-end=\"1074\"\u003eMerCruiser Bravo I XR\/XZ sterndrives\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1080\" data-end=\"1202\"\u003e\n\u003cstrong data-start=\"1080\" data-end=\"1097\"\u003eConstruction:\u003c\/strong\u003e Made from \u003cstrong data-start=\"1108\" data-end=\"1134\"\u003emarine-grade elastomer\u003c\/strong\u003e with a precision-ground sealing lip for long-lasting performance.\u003c\/li\u003e\n\u003cli data-start=\"1205\" data-end=\"1309\"\u003e\n\u003cstrong data-start=\"1205\" data-end=\"1221\"\u003eOEM Quality:\u003c\/strong\u003e Meets \u003cstrong data-start=\"1228\" data-end=\"1260\"\u003eMercury Marine factory specs\u003c\/strong\u003e for sealing pressure, fitment, and durability.\u003c\/li\u003e\n\u003cli data-start=\"1312\" data-end=\"1425\"\u003e\n\u003cstrong data-start=\"1312\" data-end=\"1335\"\u003ePerformance Proven:\u003c\/strong\u003e Tested to maintain seal integrity under high load, temperature, and saltwater exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1427\" data-end=\"1430\"\u003e\n\u003ch3 data-start=\"1432\" data-end=\"1469\"\u003e\u003cstrong data-start=\"1436\" data-end=\"1467\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1472\" data-end=\"1535\"\u003eMercury and Mariner 150–300HP outboards (2-stroke \u0026amp; 4-stroke)\u003c\/li\u003e\n\u003cli data-start=\"1538\" data-end=\"1588\"\u003eMerCruiser Bravo I XR and Bravo I XZ sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1591\" data-end=\"1671\"\u003eUsed across offshore fishing boats, center consoles, and high-performance rigs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1673\" data-end=\"1676\"\u003e\n\u003ch3 data-start=\"1678\" data-end=\"1720\"\u003e\u003cstrong data-start=\"1682\" data-end=\"1718\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1721\" data-end=\"2036\"\u003eA healthy lower unit depends on good seals. The \u003cstrong data-start=\"1769\" data-end=\"1804\"\u003e815565 Bearing Carrier Oil Seal\u003c\/strong\u003e keeps the gear oil where it belongs — inside — while blocking out the saltwater and debris that can cause internal damage. A worn or leaking seal can lead to gear wear, corrosion, or even total gearcase failure if left unchecked.\u003c\/p\u003e\n\u003cp data-start=\"2038\" data-end=\"2441\"\u003eThis OEM replacement is engineered for tight tolerances and consistent sealing pressure, even when the housing flexes under load. It’s made from high-quality rubber that stays pliable through extreme temperature swings, helping your lower unit stay lubricated, cool, and protected. Replace it as part of regular maintenance and you’ll save yourself a lot of headaches (and repair bills) down the line.\u003c\/p\u003e\n\u003chr data-start=\"2443\" data-end=\"2446\"\u003e\n\u003ch3 data-start=\"2448\" data-end=\"2469\"\u003e\u003cstrong data-start=\"2452\" data-end=\"2467\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2470\" data-end=\"2711\"\u003eMercury’s OEM seals are designed specifically for the company’s gearcases — not just “close enough” like some aftermarket alternatives. Each seal is tested for perfect fit, resistance to oil breakdown, and long-term sealing under pressure.\u003c\/p\u003e\n\u003cp data-start=\"2713\" data-end=\"2983\"\u003eAftermarket options often use cheaper rubber compounds that can harden or shrink, leading to leaks. A genuine Quicksilver seal fits right the first time and holds up season after season. It’s a small, inexpensive part that protects some of your most valuable hardware.\u003c\/p\u003e\n\u003chr data-start=\"2985\" data-end=\"2988\"\u003e\n\u003ch3 data-start=\"2990\" data-end=\"3003\"\u003e\u003cstrong data-start=\"2994\" data-end=\"3001\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3004\" data-end=\"3184\"\u003e\u003cstrong data-start=\"3004\" data-end=\"3057\"\u003eQ1: What engines use the Quicksilver 815565 seal?\u003c\/strong\u003e\u003cbr data-start=\"3057\" data-end=\"3060\"\u003eA: It fits \u003cstrong data-start=\"3071\" data-end=\"3136\"\u003eMercury and Mariner 150–300HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e and \u003cstrong data-start=\"3141\" data-end=\"3181\"\u003eMerCruiser Bravo I XR\/XZ sterndrives\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3186\" data-end=\"3330\"\u003e\u003cstrong data-start=\"3186\" data-end=\"3217\"\u003eQ2: What does this seal do?\u003c\/strong\u003e\u003cbr data-start=\"3217\" data-end=\"3220\"\u003eA: It prevents water from entering and gear oil from escaping the lower unit, protecting gears and bearings.\u003c\/p\u003e\n\u003cp data-start=\"3332\" data-end=\"3511\"\u003e\u003cstrong data-start=\"3332\" data-end=\"3362\"\u003eQ3: Is it hard to replace?\u003c\/strong\u003e\u003cbr data-start=\"3362\" data-end=\"3365\"\u003eA: It requires some mechanical skill and proper tools — most owners have a Mercury technician perform the service during lower unit maintenance.\u003c\/p\u003e\n\u003cp data-start=\"3513\" data-end=\"3669\"\u003e\u003cstrong data-start=\"3513\" data-end=\"3554\"\u003eQ4: How often should it be inspected?\u003c\/strong\u003e\u003cbr data-start=\"3554\" data-end=\"3557\"\u003eA: Check during every gear oil change; replace it if you see oil weeping, water in the lube, or a damaged lip.\u003c\/p\u003e\n\u003cp data-start=\"3671\" data-end=\"3826\"\u003e\u003cstrong data-start=\"3671\" data-end=\"3707\"\u003eQ5: Can I use aftermarket seals?\u003c\/strong\u003e\u003cbr data-start=\"3707\" data-end=\"3710\"\u003eA: You can, but OEM seals are built to Mercury’s specifications and provide the best protection for your gearcase.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626575290659,"sku":"26-815565","price":30.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/815565.jpg?v=1761162485"},{"product_id":"mercury-mercruiser-u-joint-yoke-nut-11-22339","title":"Mercury Mercruiser - U-Joint Yoke Nut - 11-22339","description":"\u003cp\u003eNUT Priced Individually                      ZZ\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626577289507,"sku":"11-22339","price":8.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/11-22339_1_1.jpg?v=1698819323"},{"product_id":"mercury-mercruiser-wear-pad-kit-fits-bravo-805261a1","title":"Mercury Mercruiser - Wear Pad Kit - Fits Bravo - 805261A1","description":"\u003cp\u003eFits Bravo drives\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626578698531,"sku":"805261A1","price":26.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/805261a1.jpg?v=1698796681"},{"product_id":"mercury-mercruiser-seal-kit-fits-bravo-i-ii-iii-x-26-76868a04","title":"Mercury – Quicksilver Gear Case Seal Kit | Bravo Sterndrives | 76868A04","description":"\u003cp data-start=\"0\" data-end=\"77\"\u003e\u003cstrong data-start=\"0\" data-end=\"75\"\u003eMercury – Quicksilver Gear Case Seal Kit | Bravo Sterndrives | 76868A04\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"79\" data-end=\"82\"\u003e\n\u003ch3 data-start=\"84\" data-end=\"102\"\u003e\u003cstrong data-start=\"88\" data-end=\"100\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"103\" data-end=\"591\"\u003eA small leak in your drive can turn into a big problem if left unchecked. The \u003cstrong data-start=\"181\" data-end=\"239\"\u003eMercury Marine 76868A04 Quicksilver Gear Case Seal Kit\u003c\/strong\u003e gives you everything you need to reseal the \u003cstrong data-start=\"284\" data-end=\"306\"\u003edriveshaft housing\u003c\/strong\u003e on your \u003cstrong data-start=\"315\" data-end=\"363\"\u003eMerCruiser Bravo I, II, III, or X sterndrive\u003c\/strong\u003e. Each seal, O-ring, and gasket in this kit is built to the same specs as your original parts, so everything fits tight and stays that way. Once installed, it keeps the gear oil in and the water out — exactly how it should be.\u003c\/p\u003e\n\u003chr data-start=\"593\" data-end=\"596\"\u003e\n\u003ch3 data-start=\"598\" data-end=\"620\"\u003e\u003cstrong data-start=\"602\" data-end=\"618\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"623\" data-end=\"698\"\u003e\n\u003cstrong data-start=\"623\" data-end=\"635\"\u003ePurpose:\u003c\/strong\u003e Reseals your drive to stop leaks and protect internal gears.\u003c\/li\u003e\n\u003cli data-start=\"701\" data-end=\"796\"\u003e\n\u003cstrong data-start=\"701\" data-end=\"714\"\u003eContents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"724\" data-end=\"759\"\u003eall seals, O-rings, and gaskets\u003c\/strong\u003e needed for the driveshaft housing.\u003c\/li\u003e\n\u003cli data-start=\"799\" data-end=\"913\"\u003e\n\u003cstrong data-start=\"799\" data-end=\"812\"\u003eMaterial:\u003c\/strong\u003e Built from \u003cstrong data-start=\"824\" data-end=\"871\"\u003emarine-grade rubber and composite materials\u003c\/strong\u003e made to handle oil, heat, and pressure.\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"996\"\u003e\n\u003cstrong data-start=\"916\" data-end=\"932\"\u003ePerformance:\u003c\/strong\u003e Keeps your gear oil clean and maintains proper case pressure.\u003c\/li\u003e\n\u003cli data-start=\"999\" data-end=\"1076\"\u003e\n\u003cstrong data-start=\"999\" data-end=\"1014\"\u003eDurability:\u003c\/strong\u003e Holds up to vibration, high load, and repeated heat cycles.\u003c\/li\u003e\n\u003cli data-start=\"1079\" data-end=\"1163\"\u003e\n\u003cstrong data-start=\"1079\" data-end=\"1095\"\u003eEase of Use:\u003c\/strong\u003e Designed for a perfect OEM fit with straightforward installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1165\" data-end=\"1168\"\u003e\n\u003ch3 data-start=\"1170\" data-end=\"1207\"\u003e\u003cstrong data-start=\"1174\" data-end=\"1205\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1210\" data-end=\"1242\"\u003eMerCruiser Bravo I sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1245\" data-end=\"1278\"\u003eMerCruiser Bravo II sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1281\" data-end=\"1315\"\u003eMerCruiser Bravo III sterndrives\u003c\/li\u003e\n\u003cli data-start=\"1318\" data-end=\"1350\"\u003eMerCruiser Bravo X sterndrives\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1352\" data-end=\"1355\"\u003e\n\u003ch3 data-start=\"1357\" data-end=\"1400\"\u003e\u003cstrong data-start=\"1361\" data-end=\"1398\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1401\" data-end=\"1761\"\u003eWhen you’re running a Bravo drive, you rely on a sealed gear case to keep everything running smoothly. The \u003cstrong data-start=\"1508\" data-end=\"1524\"\u003e76868A04 kit\u003c\/strong\u003e restores that seal. Over time, old gaskets and O-rings can dry out or flatten, letting water seep in and contaminate the gear oil. This simple kit solves that — restoring a clean, tight seal that keeps moisture out and lubrication in.\u003c\/p\u003e\n\u003cp data-start=\"1763\" data-end=\"1952\"\u003eIt’s a smart bit of maintenance that saves you from much bigger headaches later. A clean, sealed drive runs quieter, lasts longer, and keeps you on the water instead of stuck in the shop.\u003c\/p\u003e\n\u003chr data-start=\"1954\" data-end=\"1957\"\u003e\n\u003ch3 data-start=\"1959\" data-end=\"1991\"\u003e\u003cstrong data-start=\"1963\" data-end=\"1989\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1992\" data-end=\"2221\"\u003eThe \u003cstrong data-start=\"1996\" data-end=\"2020\"\u003eQuicksilver 76868A04\u003c\/strong\u003e is a \u003cstrong data-start=\"2026\" data-end=\"2054\"\u003efactory-made Mercury kit\u003c\/strong\u003e, tested and approved for real marine use. Aftermarket seal kits might not fit perfectly or use the right rubber compounds, which can lead to early leaks or failure.\u003c\/p\u003e\n\u003cp data-start=\"2223\" data-end=\"2453\"\u003eMercury OEM seals are designed to match exact tolerances and materials, ensuring long-term reliability. You get the same precision and protection built into new Mercury drives — tested, proven, and trusted by boaters everywhere.\u003c\/p\u003e\n\u003chr data-start=\"2455\" data-end=\"2458\"\u003e\n\u003ch3 data-start=\"2460\" data-end=\"2473\"\u003e\u003cstrong data-start=\"2464\" data-end=\"2471\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2475\" data-end=\"2577\"\u003e\u003cstrong data-start=\"2475\" data-end=\"2513\"\u003eQ1: What drives does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2513\" data-end=\"2516\"\u003eIt fits \u003cstrong data-start=\"2524\" data-end=\"2574\"\u003eMerCruiser Bravo I, II, III, and X sterndrives\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2579\" data-end=\"2696\"\u003e\u003cstrong data-start=\"2579\" data-end=\"2609\"\u003eQ2: What comes in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2609\" data-end=\"2612\"\u003eAll the \u003cstrong data-start=\"2620\" data-end=\"2651\"\u003egaskets, O-rings, and seals\u003c\/strong\u003e you need to reseal the driveshaft housing.\u003c\/p\u003e\n\u003cp data-start=\"2698\" data-end=\"2832\"\u003e\u003cstrong data-start=\"2698\" data-end=\"2723\"\u003eQ3: Why replace them?\u003c\/strong\u003e\u003cbr data-start=\"2723\" data-end=\"2726\"\u003eOld seals can harden or crack, letting water contaminate your gear oil — which leads to wear and damage.\u003c\/p\u003e\n\u003cp data-start=\"2834\" data-end=\"2962\"\u003e\u003cstrong data-start=\"2834\" data-end=\"2868\"\u003eQ4: How hard is it to install?\u003c\/strong\u003e\u003cbr data-start=\"2868\" data-end=\"2871\"\u003eIt’s a straightforward job if you have your service manual and a good afternoon to spare.\u003c\/p\u003e\n\u003cp data-start=\"2964\" data-end=\"3114\"\u003e\u003cstrong data-start=\"2964\" data-end=\"2997\"\u003eQ5: Why OEM over aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"2997\" data-end=\"3000\"\u003eMercury OEM seals fit exactly right and are made from compounds tested to survive years in a marine environment.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626579321123,"sku":"26-76868A04","price":137.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/76868a04_main.jpg?v=1760631174"},{"product_id":"mercury-mercruiser-bearing-carrier-seal-1-187-shaft-size-1-693-o-d-0-250-width-26-14077","title":"Mercury Mercruiser - Bearing Carrier Seal - 1.187\" Shaft Size\/ 1.693\" O.D.\/ 0.250\" Width - 26-14077","description":"\u003cp\u003e1.187\" Shaft Size\/ 1.693\" O.D.\/ 0.250\" Width\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"495\"\u003eKeeping water where it belongs is critical to maintaining a smooth-running propulsion system, and the \u003cstrong data-start=\"102\" data-end=\"156\"\u003eMercury MerCruiser Bearing Carrier Seal (26-14077)\u003c\/strong\u003e is built to do just that. Designed to form a tight seal around the bearing carrier, this OEM part helps prevent water intrusion and keeps essential components protected from corrosion and wear. If you’re noticing excess moisture in your lower unit or signs of seal deterioration, replacing it before major damage occurs is a smart move.\u003c\/p\u003e\n\u003ch3 data-start=\"497\" data-end=\"525\"\u003eWhy This Seal Matters:\u003c\/h3\u003e\n\u003cul data-start=\"526\" data-end=\"896\"\u003e\n\u003cli data-start=\"526\" data-end=\"647\"\u003e\n\u003cstrong data-start=\"528\" data-end=\"557\"\u003eReliable Water Protection\u003c\/strong\u003e – Blocks water and debris from entering the bearing carrier, preventing premature wear.\u003c\/li\u003e\n\u003cli data-start=\"648\" data-end=\"763\"\u003e\n\u003cstrong data-start=\"650\" data-end=\"674\"\u003eDurable Construction\u003c\/strong\u003e – Built from high-quality materials to withstand the rigors of the marine environment.\u003c\/li\u003e\n\u003cli data-start=\"764\" data-end=\"896\"\u003e\n\u003cstrong data-start=\"766\" data-end=\"787\"\u003eOEM Precision Fit\u003c\/strong\u003e – Specifically designed for \u003cstrong data-start=\"816\" data-end=\"880\"\u003eMerCruiser MR, Alpha One, Alpha One SS, and Alpha One Gen II\u003c\/strong\u003e stern drives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"898\" data-end=\"920\"\u003eTechnical Specs:\u003c\/h3\u003e\n\u003cul data-start=\"921\" data-end=\"1045\"\u003e\n\u003cli data-start=\"921\" data-end=\"963\"\u003e\n\u003cstrong data-start=\"923\" data-end=\"938\"\u003eShaft Size:\u003c\/strong\u003e 1.187 inches (30.2 mm)\u003c\/li\u003e\n\u003cli data-start=\"964\" data-end=\"1008\"\u003e\n\u003cstrong data-start=\"966\" data-end=\"985\"\u003eOuter Diameter:\u003c\/strong\u003e 1.693 inches (43 mm)\u003c\/li\u003e\n\u003cli data-start=\"1009\" data-end=\"1045\"\u003e\n\u003cstrong data-start=\"1011\" data-end=\"1021\"\u003eWidth:\u003c\/strong\u003e 0.250 inches (6.3 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1047\" data-end=\"1309\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA worn seal can lead to bigger problems down the line, making routine replacement a small investment in long-term reliability. The \u003cstrong data-start=\"1178\" data-end=\"1230\"\u003eMercury MerCruiser Bearing Carrier Seal 26-14077\u003c\/strong\u003e is an essential component for keeping your stern drive performing at its best.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626586104099,"sku":"26-14077","price":16.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/14077_main.jpg?v=1760631169"},{"product_id":"mercury-mercruiser-seal-outdrive-fits-bravo-12708","title":"Mercury – Quicksilver Upper Driveshaft Housing Seal | Sterndrive Component | Marine-Grade Rubber | 12708","description":"\u003cp data-end=\"110\" data-start=\"0\"\u003e\u003cstrong data-end=\"108\" data-start=\"0\"\u003eMercury – Quicksilver Upper Driveshaft Housing Seal | Sterndrive Component | Marine-Grade Rubber | 12708\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-end=\"115\" data-start=\"112\"\u003e\n\u003ch3 data-end=\"135\" data-start=\"117\"\u003e\u003cstrong data-end=\"133\" data-start=\"121\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"663\" data-start=\"136\"\u003eEvery boater knows that keeping water out of your drive is half the battle. The \u003cstrong data-end=\"282\" data-start=\"216\"\u003eMercury Marine 12708 Quicksilver Upper Driveshaft Housing Seal\u003c\/strong\u003e is a small part that quietly protects one of the most critical sections of your MerCruiser Bravo drive. It’s made for long, hard use — the kind where salt, pressure, and vibration are constant. Swap this seal any time you open up the upper housing, and you’ll be locking in smooth operation, clean gear lube, and the peace of mind that your drive’s protected for another season.\u003c\/p\u003e\n\u003chr data-end=\"668\" data-start=\"665\"\u003e\n\u003ch3 data-end=\"692\" data-start=\"670\"\u003e\u003cstrong data-end=\"690\" data-start=\"674\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"791\" data-start=\"695\"\u003e\n\u003cstrong data-end=\"707\" data-start=\"695\"\u003ePurpose:\u003c\/strong\u003e Seals the upper driveshaft housing to prevent water intrusion and gear oil leaks.\u003c\/li\u003e\n\u003cli data-end=\"908\" data-start=\"794\"\u003e\n\u003cstrong data-end=\"811\" data-start=\"794\"\u003eConstruction:\u003c\/strong\u003e Crafted from \u003cstrong data-end=\"857\" data-start=\"825\"\u003eflexible marine-grade rubber\u003c\/strong\u003e that maintains its seal under pressure and heat.\u003c\/li\u003e\n\u003cli data-end=\"1012\" data-start=\"911\"\u003e\n\u003cstrong data-end=\"929\" data-start=\"911\"\u003eDesign Detail:\u003c\/strong\u003e Cut and molded to \u003cstrong data-end=\"981\" data-start=\"948\"\u003eOEM Mercury Marine tolerances\u003c\/strong\u003e for a perfect, reliable fit.\u003c\/li\u003e\n\u003cli data-end=\"1124\" data-start=\"1015\"\u003e\n\u003cstrong data-end=\"1030\" data-start=\"1015\"\u003eDurability:\u003c\/strong\u003e Resistant to oil, saltwater, and temperature swings that can break down standard materials.\u003c\/li\u003e\n\u003cli data-end=\"1227\" data-start=\"1127\"\u003e\n\u003cstrong data-end=\"1143\" data-start=\"1127\"\u003ePerformance:\u003c\/strong\u003e Keeps internal gears, bearings, and shafts running clean and properly lubricated.\u003c\/li\u003e\n\u003cli data-end=\"1321\" data-start=\"1230\"\u003e\n\u003cstrong data-end=\"1250\" data-start=\"1230\"\u003eMaintenance Tip:\u003c\/strong\u003e Replace this seal whenever the upper housing is removed or serviced.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1326\" data-start=\"1323\"\u003e\n\u003ch3 data-end=\"1365\" data-start=\"1328\"\u003e\u003cstrong data-end=\"1363\" data-start=\"1332\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1465\" data-start=\"1368\"\u003eFits \u003cstrong data-end=\"1409\" data-start=\"1373\"\u003eall MerCruiser Bravo sterndrives\u003c\/strong\u003e, including \u003cstrong data-end=\"1462\" data-start=\"1421\"\u003eBravo One, Bravo Two, and Bravo Three\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-end=\"1574\" data-start=\"1468\"\u003eCommon on \u003cstrong data-end=\"1552\" data-start=\"1478\"\u003esport cruisers, offshore fishing boats, and high-performance runabouts\u003c\/strong\u003e using Bravo drives.\u003c\/li\u003e\n\u003cli data-end=\"1641\" data-start=\"1577\"\u003eWorks equally well in \u003cstrong data-end=\"1627\" data-start=\"1599\"\u003efreshwater and saltwater\u003c\/strong\u003e conditions.\u003c\/li\u003e\n\u003cli data-end=\"1744\" data-start=\"1644\"\u003eDesigned for \u003cstrong data-end=\"1696\" data-start=\"1657\"\u003emaintenance, rebuilds, or resealing\u003c\/strong\u003e when working on the upper driveshaft housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1749\" data-start=\"1746\"\u003e\n\u003ch3 data-end=\"1793\" data-start=\"1751\"\u003e\u003cstrong data-end=\"1791\" data-start=\"1755\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2155\" data-start=\"1794\"\u003eA good seal is one of those things you never notice — until it fails. The \u003cstrong data-end=\"1907\" data-start=\"1868\"\u003e12708 Upper Driveshaft Housing Seal\u003c\/strong\u003e is built to prevent that headache. Its rubber compound stays flexible even after years of heat cycles, so it won’t dry out or shrink. It holds tight against vibration and pressure changes, keeping your gear oil clean and your bearings protected.\u003c\/p\u003e\n\u003cp data-end=\"2402\" data-start=\"2157\"\u003eOnce installed, it restores that solid, leak-free confidence that keeps you out on the water longer. It’s not the kind of part that shows off, but it’s one of the reasons your MerCruiser feels strong and runs smooth every time you throttle up.\u003c\/p\u003e\n\u003chr data-end=\"2407\" data-start=\"2404\"\u003e\n\u003ch3 data-end=\"2430\" data-start=\"2409\"\u003e\u003cstrong data-end=\"2428\" data-start=\"2413\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"2733\" data-start=\"2431\"\u003eAftermarket seals can look the same, but the difference shows up in the fit. A seal that’s even slightly off can let water in or leak gear lube under pressure. The \u003cstrong data-end=\"2616\" data-start=\"2595\"\u003eQuicksilver 12708\u003c\/strong\u003e is a \u003cstrong data-end=\"2653\" data-start=\"2622\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, built to the same exact specs as the original equipment on your Bravo drive.\u003c\/p\u003e\n\u003cp data-end=\"3080\" data-start=\"2735\"\u003eWith OEM parts, you know you’re getting materials that were designed to handle marine use — salt, oil, and heat included. It’s the kind of reliability that makes maintenance worth doing right the first time. For most boaters, that’s what Mercury quality is all about: install it once, and get back to boating without second-guessing your gear.\u003c\/p\u003e\n\u003chr data-end=\"3085\" data-start=\"3082\"\u003e\n\u003ch3 data-end=\"3100\" data-start=\"3087\"\u003e\u003cstrong data-end=\"3098\" data-start=\"3091\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"3220\" data-start=\"3102\"\u003e\u003cstrong data-end=\"3153\" data-start=\"3102\"\u003eQ1: Which MerCruiser drives does this seal fit?\u003c\/strong\u003e\u003cbr data-end=\"3156\" data-start=\"3153\"\u003eIt fits \u003cstrong data-end=\"3189\" data-start=\"3164\"\u003eall Bravo sterndrives\u003c\/strong\u003e — Bravo One, Two, and Three.\u003c\/p\u003e\n\u003cp data-end=\"3383\" data-start=\"3222\"\u003e\u003cstrong data-end=\"3260\" data-start=\"3222\"\u003eQ2: Why replace it during service?\u003c\/strong\u003e\u003cbr data-end=\"3263\" data-start=\"3260\"\u003eOnce the housing is removed, the old seal can lose its tension. Installing a new one prevents leaks before they start.\u003c\/p\u003e\n\u003cp data-end=\"3568\" data-start=\"3385\"\u003e\u003cstrong data-end=\"3436\" data-start=\"3385\"\u003eQ3: How is it better than aftermarket versions?\u003c\/strong\u003e\u003cbr data-end=\"3439\" data-start=\"3436\"\u003eMercury’s material quality and fit precision hold up under pressure — literally. It’s designed for the real marine environment.\u003c\/p\u003e\n\u003cp data-end=\"3698\" data-start=\"3570\"\u003e\u003cstrong data-end=\"3606\" data-start=\"3570\"\u003eQ4: Can it handle saltwater use?\u003c\/strong\u003e\u003cbr data-end=\"3609\" data-start=\"3606\"\u003eYes. The marine-grade rubber resists corrosion, salt, and oil for long-term protection.\u003c\/p\u003e\n\u003cp data-end=\"3839\" data-start=\"3700\"\u003e\u003cstrong data-end=\"3730\" data-start=\"3700\"\u003eQ5: Is it easy to install?\u003c\/strong\u003e\u003cbr data-end=\"3733\" data-start=\"3730\"\u003eYes. It’s a straightforward replacement that most owners or marine techs can handle with standard tools.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626592756003,"sku":"12708","price":11.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/12708_main.jpg?v=1760631155"},{"product_id":"mercury-mercruiser-drive-gear-bearing-fits-bravo-i-ii-iii-x-xr-xz-31-8m0103472","title":"Mercury Mercruiser - Drive Gear Bearing - Fits Bravo I, II, III, X, XR \u0026 XZ - 31-8M0103472","description":"\u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo I, II, III, X, XR \u0026amp; XZ (s\/n 0B664190\"‘0W199999)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626594459939,"sku":"31-8M0103472","price":210.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0103472.jpg?v=1698814206"},{"product_id":"mercury-mercruiser-cross-bearing-fits-bravo-x-xr-xz-drives-866136a01","title":"Mercury Mercruiser - Cross \u0026 Bearing - Fits Bravo X, XR, XZ, Drives - 866136A01","description":"\u003cp\u003e1.218 in O.D. caps\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo X\/XR\/XZ drives w\/the GKN U-joint assembly (s\/n 0M750175 and above)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932429373731,"sku":"866136A01","price":320.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/866136a01.jpg?v=1698779557"},{"product_id":"mercury-mercruiser-cross-bearing-fits-alpha-one-gen-ii-bravo-vazer-865496a02","title":"Quicksilver – Cross and Bearing U-Joint Kit | Alpha\/Bravo\/Vazer Series | Hardened Steel | P865496A02","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQuicksilver – Cross and Bearing U-Joint Kit | Alpha\/Bravo\/Vazer Series | Hardened Steel | P865496A02\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a moment every boater knows well — the instant you shift into gear and feel the whole boat engage. It’s smooth, firm, and reassuring when your driveline is healthy. But when a U-joint starts to wear, that feeling changes. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou might hear a clunk, feel a vibration, or notice the drive doesn’t respond as cleanly. This Mercury Marine part brings back that tight, confident engagement. It’s the kind of component that quietly restores the smooth connection between the engine and the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCross and bearing kit for MerCruiser sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for Alpha One Gen II, Bravo, and Vazer drives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes hardened steel U-joint cross and bearings\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Mercury Marine OEM tolerances\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 865496A02\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser Alpha One Gen II sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Bravo One, Bravo Two, Bravo Three drives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Mercury Vazer sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for cruisers, sport boats, offshore hulls, and multi-purpose family boats\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA healthy U-joint makes every shift feel crisp and every change in throttle smooth. This kit restores that feeling by delivering a tight connection that resists the twisting forces of high-torque acceleration and rough water. The hardened steel cross has a substantial feel, with bearings that rotate smoothly and maintain consistent pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnce installed, you’ll feel the improvement immediately. Vibrations fade, shifting feels cleaner, and the whole drive responds with a more confident, stable rhythm. The kit also protects internal driveline components. A worn U-joint can cause damage further up the shaft or into the gimbal bearing — replacing it early saves you from far more expensive repairs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-rated bearing seals help keep grease inside and water out. That’s important in any environment, but especially in saltwater, where moisture intrusion is the fastest way to ruin a U-joint.\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\"\u003ePrecision is everything in a U-joint. Aftermarket kits often cut corners in bearing hardness, seal quality, or machining accuracy. A slight misalignment leads to premature wear, chatter, or catastrophic driveline failure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA Mercury Marine part is engineered for the exact angles and loading of Alpha, Bravo, and Vazer drives. You get the correct bearing preload, the right material hardness, and the peace of mind of a proper OEM fit. On a component this critical, OEM is the only choice experienced boaters trust.\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 drives does this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser Alpha One Gen II, all Bravo drives, and Mercury Vazer sterndrives.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: Why choose OEM instead of aftermarket?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Better machining, stronger bearings, and seals that hold up in real marine conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know it’s the right kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your manual lists U-joint part number 865496A02, this is the correct replacement.\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 — the bearings and seals are designed for both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It requires mechanical skill, but OEM tolerances make the job predictable and secure.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932429635875,"sku":"865496A02","price":237.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/865496a02_main.jpg?v=1760631260"},{"product_id":"mercury-mercruiser-aeu-center-socket-fits-alpha-one-gen-ii-bravo-vazer-865503t","title":"Mercury Mercruiser - Center Socket - Fits Alpha One Gen II, Bravo \u0026 Vazer, - 865503T","description":"\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlpha One Gen II (s\/n 0M400412 and above)\u003c\/li\u003e\n\u003cli\u003eBravo (s\/n 0M111208 and above)\u003c\/li\u003e\n\u003cli\u003eVazer\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932429734179,"sku":"865503T","price":93.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/865503t.jpg?v=1698779559"},{"product_id":"mercury-mercruiser-u-joint-yoke-gear-end-fits-ia-ib-ic-ez-shift-mcaeu-i-r-mr-alpha-one-gen-ii-46020t02","title":"Mercury Mercruiser - U-Joint Yoke - Gear End - Fits IA\/IB\/IC \u0026 EZ Shift, MC-I, R, MR, Alpha One \u0026 Gen II - 46020T02","description":"\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIA\/IB\/IC \u0026amp; EZ Shift\u003c\/li\u003e\n\u003cli\u003eMC-I\u003c\/li\u003e\n\u003cli\u003eR\u003c\/li\u003e\n\u003cli\u003eMR\u003c\/li\u003e\n\u003cli\u003eAlpha One \u0026amp; Gen II (s\/n 0K999999 and below)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438417699,"sku":"46020T02","price":189.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/46020t02.jpg?v=1698779602"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-mcaeu-i-r-mr-alpha-one-ss-43-8m0080756","title":"Mercury Mercruiser - Upper Gear Kit - Fits MC-I, R, MR, Alpha One, SS - 43-8M0080756","description":"\u003cp\u003e20-16 teeth, 1.32 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMC-I\u003c\/li\u003e\n\u003cli\u003eR\u003c\/li\u003e\n\u003cli\u003eMR\u003c\/li\u003e\n\u003cli\u003eAlpha One\u003c\/li\u003e\n\u003cli\u003eSS (1975-1990)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438647075,"sku":"43-8M0080756","price":684.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-8m0080756.jpg?v=1698779604"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-bravo-i-bravo-ii-bravo-iii-43-8m0060005","title":"Mercury Mercruiser - Upper Gear Kit - Fits Bravo I, Bravo II, Bravo III - 43-8M0060005","description":"\u003cp\u003eWARNING: Cancer and Reproductive Harm - \u003ca href=\"https:\/\/partsvu.com\/http:\/\/P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e23\/30 teeth, Low bump\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo I (1.65), II (2.20) \u0026amp; III (2.20 \u0026amp; 2.43) (0W250000 and up)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438679843,"sku":"43-8M0060005","price":1655.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-883476a2_5.jpg?v=1698779604"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-bravo-i-x-bravo-ii-x-bravo-iii-x-43-887909a1","title":"Mercury Mercruiser - Upper Gear Kit - Fits Bravo I X, Bravo II X, Bravo III X - 43-887909A1","description":"\u003cp\u003eWARNING: Cancer and Reproductive Harm - \u003ca href=\"https:\/\/partsvu.com\/http:\/\/P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e23\/30 teeth\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo I X (1.65)\u003c\/li\u003e \u003cli\u003eBravo II X (2.20)\u003c\/li\u003e \u003cli\u003eBravo III X (2.20 \u0026amp; 2.43) (2000 \u0026amp; newer)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438712611,"sku":"43-887909A1","price":2311.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-887906a1_1_1.jpg?v=1698779603"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-bravo-i-x-xz-bravo-ii-x-bravo-iii-x-43-887906a1","title":"Mercury Mercruiser - Upper Gear Kit - Fits Bravo I X \u0026 XZ, Bravo II X, Bravo III X - 43-887906A1","description":"\u003cp\u003e27\/29 teeth\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo I X \u0026amp; XZ (1.36), II X (1.50 \u0026amp; 1.81) \u0026amp; III X (1.36 \u0026amp; 1.81) (2000 \u0026amp; newer)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438778147,"sku":"43-887906A1","price":1827.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-887906a1.jpg?v=1698779604"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-bravo-i-x-xz-bravo-ii-x-bravo-iii-x-43-887903a1","title":"Mercury Mercruiser - Upper Gear Kit - Fits Bravo I X \u0026 XZ, Bravo II X, Bravo III X - 43-887903A1","description":"\u003cp\u003eGEAR SET (32\/27)\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438843683,"sku":"43-887903A1","price":1937.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-887906a1_1.jpg?v=1698779604"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-bravo-i-bravo-ii-bravo-iii-43-8m0060003","title":"Mercury Mercruiser - Upper Gear Kit - Fits Bravo I, Bravo II, Bravo III - 43-8M0060003","description":"\u003cp\u003eWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov\u003c\/p\u003e \u003cp\u003e27\/32 teeth, Low Bump\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo I (1.50)\u003c\/li\u003e \u003cli\u003eBravo II (1.65 \u0026amp; 2.00)\u003c\/li\u003e \u003cli\u003eBravo III (1.65 \u0026amp; 2.00) (0W250000 and up)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438876451,"sku":"43-8M0060003","price":1626.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-883476a2_3.jpg?v=1698779604"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-bravo-ii-bravo-iii-43-8m0060004","title":"Mercury Mercruiser - Upper Gear Kit - Fits Bravo II, Bravo III - 43-8M0060004","description":"\u003cp\u003eWARNING: Cancer and Reproductive Harm - \u003ca href=\"https:\/\/partsvu.com\/http:\/\/P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e27\/29 teeth, Low bump\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo II (1.81)\u003c\/li\u003e \u003cli\u003eBravo III (1.81) (0W250000 and up)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932438909219,"sku":"43-8M0060004","price":1626.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-883476a2_4.jpg?v=1698779604"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-bravo-i-perf-bravo-ii-bravo-iii-43-883479a3","title":"Mercury Mercruiser - Upper Gear Kit - Fits Bravo I \u0026 Perf., Bravo II, Bravo III - 43-883479A3","description":"\u003cp\u003e WARNING: Cancer and Reproductive Harm - \u003ca href=\"https:\/\/partsvu.com\/http:\/\/P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e \u003cp\u003e23\"‘30 teeth, Gas \u0026amp; Diesel applications\u003c\/p\u003e \u003cp\u003eNote: May require new replacement shims to be ordered separately, see MCM Service Bulletin 2001\"‘17\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBravo I \u0026amp; Perf. 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The HD 1.50 drive gear has a stepped bearing surface requiring the use of a special bearing kit having 2 different I.D. bearings.\u003c\/p\u003e \u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMR\u003c\/li\u003e \u003cli\u003eAlpha One \u0026amp; SS (1984\"‘1990)\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932443398435,"sku":"43-18411A4","price":911.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-18411a4.jpg?v=1698779609"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-mcaeu-i-r-mr-alpha-one-gen-ii-43-55778a3","title":"Mercury Mercruiser - Upper Gear Kit - Fits MC-I, R, MR, Alpha One \u0026 Gen II - 43-55778A3","description":"\u003cp\u003e20-24 teeth, 1.98\/1.94 \u0026amp; 2.40 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMC-I\u003c\/li\u003e\n\u003cli\u003eR\u003c\/li\u003e\n\u003cli\u003eMR\u003c\/li\u003e\n\u003cli\u003eAlpha One \u0026amp; Gen II (s\/n 0K999999 and below) (1970-1997)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932444086563,"sku":"43-55778A3","price":477.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-55778a3.jpg?v=1698779609"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-mcaeu-i-r-mr-alpha-one-gen-ii-43-45814a5","title":"Mercury Mercruiser - Upper Gear Kit - Fits MC-I, R, MR, Alpha One \u0026 Gen II - 43-45814A5","description":"\u003cp\u003e24-24 teeth, 1.65\/1.62 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMC-I\u003c\/li\u003e\n\u003cli\u003eR\u003c\/li\u003e\n\u003cli\u003eMR\u003c\/li\u003e\n\u003cli\u003eAlpha One \u0026amp; Gen II (s\/n 0K999999 and below) (1970-1997)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932444840227,"sku":"43-45814A5","price":469.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-45814a5.jpg?v=1698779611"},{"product_id":"mercury-mercruiser-upper-gear-kit-fits-mcaeu-i-r-mr-alpha-one-gen-ii-43-18411a2","title":"Mercury Mercruiser - Upper Gear Kit - Fits MC-I, R, MR, Alpha One \u0026 Gen II - 43-18411A2","description":"\u003cp\u003e22-20 teeth, 1.50\/1.47 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMC-I, R, MR, Alpha One \u0026amp; Gen II (s\/n 0K999999 and below) (1971-1997)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932445692195,"sku":"43-18411A2","price":620.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/43-18411a2.jpg?v=1698779611"},{"product_id":"mercury-mercruiser-upper-driveshaft-bearing-fits-ia-ib-ic-ez-shift-120-140-160-mr-alpha-one-gen-ii-31-8m0146566","title":"Mercury – Upper Driveshaft Bearing Cup Cone | Multi-Series Drivetrain Component | Marine Alloy | 8M0146566","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Upper Driveshaft Bearing Cup Cone | Multi-Series Drivetrain Component | Marine Alloy | 8M0146566\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Anyone who has spent enough time on the water knows that the smoothness of an outboard is something you can feel through the entire boat. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen the drivetrain is healthy, everything \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e responds the way it should — clean shifts, steady thrust, no surprises.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The Quicksilver 8M0146566 Upper Driveshaft Bearing Cup Cone is one of those hidden-but-critical parts that keeps that feeling alive. It supports the heart of the gearcase, helping the driveshaft stay aligned and running true, so you can focus on the water ahead instead of worrying about what is happening below the surface.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhether you are easing away from the dock or punching the throttle on open water, this is the kind of part that gives you confidence every single outing.\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\"\u003eSupports the upper driveshaft for smooth, stable gearcase operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt from durable marine-grade alloy to withstand heat, load, and constant motion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for precise, factory-spec fitment in a wide range of Mercury outboards and sterndrive systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps maintain proper alignment and reduces wear in the drivetrain\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStraightforward installation using standard shop tools\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits select Mercury 115-450hp FourStroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with Mercury Racing engines, including Sport XS and Pro Max models\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with Verado, Jet, EFI, and Direct Fuel Injection outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlso fits select IA, IB, IC, EZ Shift, 120, 140, 160, MR, Alpha One, and Alpha One Gen II sterndrive platforms (serial No. 0K999999 and below)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for fishing boats, performance hulls, pontoons, and family runabouts needing reliable drivetrain support\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A worn or poorly fitted bearing cup can create all sorts of issues — vibration, sloppy shifting, even premature gear wear. With the 8M0146566 bearing cup cone \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003einstalled properly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, the driveshaft stays tight, centered, and steady inside the gearcase. You will notice the difference the moment you drop into gear: shifts feel more controlled, acceleration feels smoother, and the whole engine runs with that solid, confident tone you want from a Mercury Marine powerplant.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine environments are unforgiving, which is why this part \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with materials that stand up to corrosion, heavy load, and constant rotation. Once it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis installed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, it provides long-lasting stability so you can rely on your engine season after season without second-guessing the drivetrain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e With drivetrain components, precision is everything. The difference between an OEM component and an aftermarket substitute is not just material quality — it is the exactness of the fit. This Mercury Marine part number 8M0146566 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to match original engineering specifications down to the thousandth, which means it installs correctly the first time and performs consistently under real-world loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing OEM also means choosing durability, proper alignment, and long-term reliability. When fellow boaters ask what to use inside the gearcase, this is the kind of part you recommend because you know it has been tested in the same \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etough\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e conditions you run in.\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 does this bearing cup cone fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select 115-450hp Mercury FourStroke outboards and a wide range of Mercury Racing, Verado, Jet, EFI, and DFI engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets this apart from aftermarket parts?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It meets Mercury’s original specifications, ensuring perfect alignment, long-term durability, and smooth drivetrain performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it fits my exact setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s or service manual; compatibility varies by serial number and engine family.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this part handle saltwate\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003er?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — it is made from corrosion-resistant marine alloy and is fully suited for both freshwater and saltwater use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation simple?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMost owners familiar with lower-unit work can install it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eusing\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecommon\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e shop tools, though many prefer a technician \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e drivetrain components.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932449820963,"sku":"31-8M0146566","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0146566_Main.jpg?v=1760631429"},{"product_id":"mercury-mercruiser-reverse-gear-bearing-fits-mr-alpha-one-gen-ii-31-815482","title":"Mercury Mercruiser - Reverse Gear Bearing - Fits MR, Alpha One \u0026 Gen II - 31-815482","description":"\u003cp\u003eFits:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMR\u003c\/li\u003e \u003cli\u003eAlpha One \u0026amp; 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