{"product_id":"mercury-8m0082880-drain-screw-gasket-fits-metric-gearcase-drain-screw-on-mercury-mariner-outboards-f2-5-3-5-hp-f4-5-6-hp-f8-9-9-hp-f15-20-hp-f25-30-hp","title":"Mercury – Gear Case Seal Kit | Outboard Lower Unit | Marine Polymer Seal | 8M0082880","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Gear Case Seal Kit | Outboard Lower Unit | Marine Polymer Seal | 8M0082880\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’ve spent any time around small outboards, you know how much peace of mind comes from a lower unit that stays seal\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eed tight. It’s one of those simple things you don’t think about often — until a worn washer lets water sneak in or gear lube drip out. The Mercury 8M0082880 Gear Case Seal Kit is the kind of quiet, dependable part that keeps your motor protected trip after trip. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhether you’re running a lightweight\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e5 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehorsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on a tender or a hardworking \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e20 horsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on a fishing skiff, this little seal helps ensure your lower unit stays healthy, dry, and ready every time you launch.\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\"\u003eGear case sealing kit designed to protect the lower unit from water intrusion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade polymer washer engineered for long-term sealing strength\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBlue-colored washer for easy identification during service\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for routine gear lube changes or replacing worn or damaged seals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePrecision fit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edesigned specifically\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for Mercury outboard gear housings\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps maintain proper gear lube pressure and internal lubrication\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFits select Mercury propane-fueled\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e5 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehorsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e outboards (serial number 0R936270 and above)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Mercury 8 and 9.9 horsepower FourStroke models (serial number 0R008146 and above)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with 15–20 horsepower Mercury EFI FourStroke and Mercury SeaPro outboards (serial number 0R833820 and above)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommonly used on dinghies, jon boats, inflatables, small fishing boats, and portable engine setups\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 good seal is one of those parts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat quietly does a lot of heavy lifting.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When the Mercury 8M0082880 washer is in place, your lower unit stays tight and protected, keeping water where it belongs — outside the gear case. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’ll feel the difference when you drain your gear lube and see clean oil \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003einstead of\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the milky mixture \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat comes\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e from water intrusion.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s the kind of protection that helps your engine’s internal gears stay smooth, steady, and well-lubricated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esimple and clean\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. The washer seats firmly without feeling brittle or loose, and you’ll appreciate how naturally it fits into the drain and vent screw design. When you tighten things down, it gives a satisfying, secure compression — not overly soft, not too rigid. Just right.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOver time, these seals take a beating from pressure, heat, and repeated servicing. Replacing them during regular maintenance gives you a fresh start and helps extend the life of your lower unit. It’s a small step with a big payoff, especially on engines that see heavy use or run in sandy, muddy, or saltwater environments.\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 are plenty of generic washers out there, but this is one of those parts where \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexact\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fit matters. A \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003epoorly made seal can compress unevenly, fail to seat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eproperly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, or break down after a season. The Mercury 8M0082880 Gear Case Seal Kit is engineered specifically for the gear housings on these smaller outboards, ensuring a tight, reliable seal every time. It’s durable, it fits the way it should, and it helps avoid the kind of water damage that leads to expensive repairs. Wh\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003een a component is responsible for keeping water out of your gear case, OEM is absolutely the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmart\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 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 the 8M0082880 Gear Case Seal Kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury 5, 8, 9.9, 15, and 20 horsepower models listed by compatible serial ranges, including SeaPro and propane-fueled versions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this seal better than aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM seals compress evenly, fit precisely, and use marine-grade materials that hold up longer under pressure and heat.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s horsepower, serial number, and owner’s manual. If you service your own gear lube, this is likely the correct Mercury Marine part.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both freshwater and saltwater?\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 long-term use in either environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Very. Most boaters replace it during a routine gear lube change using basic hand tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626522009891,"sku":"8M0082880","price":4.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0082880_Main.jpg?v=1760631342","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-8m0082880-drain-screw-gasket-fits-metric-gearcase-drain-screw-on-mercury-mariner-outboards-f2-5-3-5-hp-f4-5-6-hp-f8-9-9-hp-f15-20-hp-f25-30-hp","provider":"PartsVu","version":"1.0","type":"link"}