{"product_id":"mercury-mercruiser-seal-kit-fits-alpha-one-gen-ii-26-816575a3","title":"Mercury – Quicksilver 816575A3 Gear Case Seal Kit | MerCruiser Alpha One Gen II Sterndrives | 816575A3","description":"\u003cp data-start=\"0\" data-end=\"108\"\u003e\u003cstrong data-start=\"0\" data-end=\"106\"\u003eMercury – Quicksilver 816575A3 Gear Case Seal Kit | MerCruiser Alpha One Gen II Sterndrives | 816575A3\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"110\" data-end=\"113\"\u003e\n\u003ch3 data-start=\"115\" data-end=\"133\"\u003e\u003cstrong data-start=\"119\" data-end=\"131\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"134\" data-end=\"468\"\u003eLeaks and water intrusion can do real damage to your drive, but the \u003cstrong data-start=\"202\" data-end=\"245\"\u003eQuicksilver 816575A3 Gear Case Seal Kit\u003c\/strong\u003e helps keep that from happening. Designed for \u003cstrong data-start=\"291\" data-end=\"334\"\u003eMerCruiser Alpha One Gen II sterndrives\u003c\/strong\u003e, this OEM kit includes every seal, O-ring, and gasket needed to restore a watertight fit and protect your gears from contamination.\u003c\/p\u003e\n\u003cp data-start=\"470\" data-end=\"740\"\u003eEach piece is built to Mercury’s tight tolerances using marine-grade materials that handle constant pressure, vibration, and exposure to oil and saltwater. If you’re servicing or rebuilding your gearcase, this is the right kit to finish the job with factory precision.\u003c\/p\u003e\n\u003chr data-start=\"742\" data-end=\"745\"\u003e\n\u003ch3 data-start=\"747\" data-end=\"769\"\u003e\u003cstrong data-start=\"751\" data-end=\"767\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"772\" data-end=\"876\"\u003e\n\u003cstrong data-start=\"772\" data-end=\"784\"\u003ePurpose:\u003c\/strong\u003e Replaces worn seals, gaskets, and O-rings to stop leaks and maintain proper oil pressure.\u003c\/li\u003e\n\u003cli data-start=\"879\" data-end=\"942\"\u003e\n\u003cstrong data-start=\"879\" data-end=\"891\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"896\" data-end=\"939\"\u003eMerCruiser Alpha One Gen II sterndrives\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"945\" data-end=\"1050\"\u003e\n\u003cstrong data-start=\"945\" data-end=\"962\"\u003eKit Contents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"972\" data-end=\"1016\"\u003eall critical seals, O-rings, and gaskets\u003c\/strong\u003e for a complete gearcase reseal.\u003c\/li\u003e\n\u003cli data-start=\"1053\" data-end=\"1166\"\u003e\n\u003cstrong data-start=\"1053\" data-end=\"1068\"\u003eDurability:\u003c\/strong\u003e Made from \u003cstrong data-start=\"1079\" data-end=\"1126\"\u003emarine-grade rubber and composite materials\u003c\/strong\u003e designed for heat and oil resistance.\u003c\/li\u003e\n\u003cli data-start=\"1169\" data-end=\"1281\"\u003e\n\u003cstrong data-start=\"1169\" data-end=\"1185\"\u003eOEM Quality:\u003c\/strong\u003e Manufactured to \u003cstrong data-start=\"1202\" data-end=\"1235\"\u003eMercury Marine specifications\u003c\/strong\u003e for exact fit and long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1283\" data-end=\"1286\"\u003e\n\u003ch3 data-start=\"1288\" data-end=\"1325\"\u003e\u003cstrong data-start=\"1292\" data-end=\"1323\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1328\" data-end=\"1378\"\u003eFits \u003cstrong data-start=\"1333\" data-end=\"1376\"\u003eMerCruiser Alpha One Gen II sterndrives\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1381\" data-end=\"1470\"\u003eCommon on mid-size runabouts, cruisers, and fishing boats powered by MerCruiser engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1472\" data-end=\"1475\"\u003e\n\u003ch3 data-start=\"1477\" data-end=\"1519\"\u003e\u003cstrong data-start=\"1481\" data-end=\"1517\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1520\" data-end=\"1871\"\u003eThe \u003cstrong data-start=\"1524\" data-end=\"1545\"\u003e816575A3 seal kit\u003c\/strong\u003e keeps your lower unit protected from water intrusion while maintaining the correct internal oil pressure. Old seals can dry out or crack, leading to leaks that let water in or gear lube out — both of which shorten drive life. Replacing them with OEM parts restores full protection and ensures smooth operation at every RPM.\u003c\/p\u003e\n\u003cp data-start=\"1873\" data-end=\"2131\"\u003eMercury’s sealing materials are designed specifically for marine conditions, resisting salt, oil, and temperature swings. With fresh seals in place, your drive stays clean inside, your gears stay lubricated, and your maintenance schedule stays predictable.\u003c\/p\u003e\n\u003chr data-start=\"2133\" data-end=\"2136\"\u003e\n\u003ch3 data-start=\"2138\" data-end=\"2159\"\u003e\u003cstrong data-start=\"2142\" data-end=\"2157\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2160\" data-end=\"2386\"\u003eGearcase sealing is not the place to take chances. Mercury’s OEM kits are made with exact fitment in mind — something aftermarket versions often miss. Even a slight size mismatch can cause leaks or improper pressure balance.\u003c\/p\u003e\n\u003cp data-start=\"2388\" data-end=\"2644\"\u003eA \u003cstrong data-start=\"2390\" data-end=\"2417\"\u003egenuine Quicksilver kit\u003c\/strong\u003e ensures each gasket and O-ring is the correct shape, thickness, and material for your specific drive. It’s the only way to guarantee the kind of performance and reliability Mercury designed into your sterndrive from day one.\u003c\/p\u003e\n\u003chr data-start=\"2646\" data-end=\"2649\"\u003e\n\u003ch3 data-start=\"2651\" data-end=\"2664\"\u003e\u003cstrong data-start=\"2655\" data-end=\"2662\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2665\" data-end=\"2773\"\u003e\u003cstrong data-start=\"2665\" data-end=\"2703\"\u003eQ1: What drives does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2703\" data-end=\"2706\"\u003eA: It’s designed for \u003cstrong data-start=\"2727\" data-end=\"2770\"\u003eMerCruiser Alpha One Gen II sterndrives\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2775\" data-end=\"2899\"\u003e\u003cstrong data-start=\"2775\" data-end=\"2810\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2810\" data-end=\"2813\"\u003eA: A full set of \u003cstrong data-start=\"2830\" data-end=\"2861\"\u003eseals, O-rings, and gaskets\u003c\/strong\u003e for resealing the gearcase housing.\u003c\/p\u003e\n\u003cp data-start=\"2901\" data-end=\"3064\"\u003e\u003cstrong data-start=\"2901\" data-end=\"2933\"\u003eQ3: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"2933\" data-end=\"2936\"\u003eA: Yes, if you’re comfortable servicing lower units. Otherwise, a marine technician can install it quickly during maintenance.\u003c\/p\u003e\n\u003cp data-start=\"3066\" data-end=\"3203\"\u003e\u003cstrong data-start=\"3066\" data-end=\"3107\"\u003eQ4: How often should I replace seals?\u003c\/strong\u003e\u003cbr data-start=\"3107\" data-end=\"3110\"\u003eA: Replace them whenever you rebuild the lower unit or if you notice water in the gear oil.\u003c\/p\u003e\n\u003cp data-start=\"3205\" data-end=\"3369\"\u003e\u003cstrong data-start=\"3205\" data-end=\"3244\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3244\" data-end=\"3247\"\u003eA: OEM seals are made for your specific drive and last longer, ensuring leak-free performance and correct oil retention.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940889153827,"sku":"26-816575A3","price":95.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/816575a3_main.jpg?v=1760631219","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-mercruiser-seal-kit-fits-alpha-one-gen-ii-26-816575a3","provider":"PartsVu","version":"1.0","type":"link"}