{"product_id":"merc-939","title":"Mercury MerCruiser O-Ring 8M0204684","description":"\u003ch1 data-section-id=\"62vp4o\" data-start=\"0\" data-end=\"39\"\u003eMercury MerCruiser O-Ring – 8M0204684\u003c\/h1\u003e\n\u003cp data-start=\"41\" data-end=\"294\"\u003eMaintain a proper seal in your marine engine or drive system with the \u003cstrong data-start=\"111\" data-end=\"150\"\u003eMercury MerCruiser O-Ring 8M0204684\u003c\/strong\u003e. This genuine Mercury OEM sealing ring is used in various engine and sterndrive assemblies to prevent fluid leaks and maintain system pressure.\u003c\/p\u003e\n\u003cp data-start=\"296\" data-end=\"653\"\u003eManufactured to Mercury Marine specifications, this O-ring provides reliable sealing performance in demanding marine environments where exposure to oil, water, and temperature changes can cause seals to wear over time. Replacing worn O-rings during routine service helps maintain engine reliability and prevent leaks. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"655\" data-end=\"658\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"660\" data-end=\"675\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"677\" data-end=\"980\"\u003e\n\u003cli data-section-id=\"f30yf3\" data-start=\"677\" data-end=\"716\"\u003e\n\u003cp data-start=\"679\" data-end=\"716\"\u003eGenuine \u003cstrong data-start=\"687\" data-end=\"716\"\u003eMercury Marine OEM O-ring\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1v5yez2\" data-start=\"717\" data-end=\"792\"\u003e\n\u003cp data-start=\"719\" data-end=\"792\"\u003eDesigned to maintain \u003cstrong data-start=\"740\" data-end=\"792\"\u003eleak-free sealing in engine and drive assemblies\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qf0ajb\" data-start=\"793\" data-end=\"851\"\u003e\n\u003cp data-start=\"795\" data-end=\"851\"\u003eResistant to oil, water, and marine operating conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ngw8m1\" data-start=\"852\" data-end=\"912\"\u003e\n\u003cp data-start=\"854\" data-end=\"912\"\u003eDirect replacement for original Mercury sealing components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mf8dad\" data-start=\"913\" data-end=\"980\"\u003e\n\u003cp data-start=\"915\" data-end=\"980\"\u003eIdeal for routine maintenance and seal replacement during service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"982\" data-end=\"985\"\u003e\n\u003ch2 data-section-id=\"dtxecw\" data-start=\"987\" data-end=\"1002\"\u003ePart Details\u003c\/h2\u003e\n\u003cp data-start=\"1004\" data-end=\"1223\"\u003e\u003cstrong data-start=\"1004\" data-end=\"1024\"\u003eOEM Part Number:\u003c\/strong\u003e 8M0204684\u003cbr data-start=\"1034\" data-end=\"1037\"\u003e\u003cstrong data-start=\"1037\" data-end=\"1060\"\u003eAlso Referenced As:\u003c\/strong\u003e 25-8M0204684\u003cbr data-start=\"1073\" data-end=\"1076\"\u003e\u003cstrong data-start=\"1076\" data-end=\"1091\"\u003eSupersedes:\u003c\/strong\u003e 805726\u003cbr data-start=\"1098\" data-end=\"1101\"\u003e\u003cstrong data-start=\"1101\" data-end=\"1118\"\u003eProduct Type:\u003c\/strong\u003e O-ring seal\u003cbr data-start=\"1130\" data-end=\"1133\"\u003e\u003cstrong data-start=\"1133\" data-end=\"1146\"\u003eMaterial:\u003c\/strong\u003e Marine-grade rubber sealing compound \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1225\" data-end=\"1228\"\u003e\n\u003ch2 data-section-id=\"ydg5cc\" data-start=\"1230\" data-end=\"1272\"\u003eCompatible Mercury \u0026amp; MerCruiser Engines\u003c\/h2\u003e\n\u003cp data-start=\"1274\" data-end=\"1461\"\u003eThis O-ring is used in various \u003cstrong data-start=\"1305\" data-end=\"1359\"\u003eMercury and MerCruiser engine and drive assemblies\u003c\/strong\u003e, including components such as seawater pumps, gear housings, and drive systems. Applications include:\u003c\/p\u003e\n\u003ch3 data-section-id=\"yztthw\" data-start=\"1463\" data-end=\"1489\"\u003eMerCruiser Sterndrives\u003c\/h3\u003e\n\u003cul data-start=\"1491\" data-end=\"1628\"\u003e\n\u003cli data-section-id=\"1r8m4sy\" data-start=\"1491\" data-end=\"1545\"\u003e\n\u003cp data-start=\"1493\" data-end=\"1545\"\u003eMerCruiser \u003cstrong data-start=\"1504\" data-end=\"1526\"\u003eAlpha One (Gen II)\u003c\/strong\u003e drive assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1be6ct3\" data-start=\"1546\" data-end=\"1572\"\u003e\n\u003cp data-start=\"1548\" data-end=\"1572\"\u003eMerCruiser \u003cstrong data-start=\"1559\" data-end=\"1572\"\u003eBravo One\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b169hb\" data-start=\"1573\" data-end=\"1599\"\u003e\n\u003cp data-start=\"1575\" data-end=\"1599\"\u003eMerCruiser \u003cstrong data-start=\"1586\" data-end=\"1599\"\u003eBravo Two\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5qufr1\" data-start=\"1600\" data-end=\"1628\"\u003e\n\u003cp data-start=\"1602\" data-end=\"1628\"\u003eMerCruiser \u003cstrong data-start=\"1613\" data-end=\"1628\"\u003eBravo Three\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"tuk7g7\" data-start=\"1630\" data-end=\"1663\"\u003eMerCruiser V-8 Marine Engines\u003c\/h3\u003e\n\u003cul data-start=\"1665\" data-end=\"1773\"\u003e\n\u003cli data-section-id=\"1svt0r2\" data-start=\"1665\" data-end=\"1699\"\u003e\n\u003cp data-start=\"1667\" data-end=\"1699\"\u003eMerCruiser \u003cstrong data-start=\"1678\" data-end=\"1699\"\u003e7.4L (454 CID) V8\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"q4a63p\" data-start=\"1700\" data-end=\"1734\"\u003e\n\u003cp data-start=\"1702\" data-end=\"1734\"\u003eMerCruiser \u003cstrong data-start=\"1713\" data-end=\"1734\"\u003e8.2L (502 CID) V8\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"o1wkbh\" data-start=\"1735\" data-end=\"1773\"\u003e\n\u003cp data-start=\"1737\" data-end=\"1773\"\u003eMerCruiser \u003cstrong data-start=\"1748\" data-end=\"1773\"\u003e454 EFI \/ MAG engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"17pcvby\" data-start=\"1775\" data-end=\"1812\"\u003eMercury Racing Sterndrive Engines\u003c\/h3\u003e\n\u003cul data-start=\"1814\" data-end=\"1956\"\u003e\n\u003cli data-section-id=\"ff9cfw\" data-start=\"1814\" data-end=\"1841\"\u003e\n\u003cp data-start=\"1816\" data-end=\"1841\"\u003eRacing Sterndrive \u003cstrong data-start=\"1834\" data-end=\"1841\"\u003e420\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ff9bjt\" data-start=\"1842\" data-end=\"1869\"\u003e\n\u003cp data-start=\"1844\" data-end=\"1869\"\u003eRacing Sterndrive \u003cstrong data-start=\"1862\" data-end=\"1869\"\u003e425\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ff6fct\" data-start=\"1870\" data-end=\"1897\"\u003e\n\u003cp data-start=\"1872\" data-end=\"1897\"\u003eRacing Sterndrive \u003cstrong data-start=\"1890\" data-end=\"1897\"\u003e465\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fhdn5r\" data-start=\"1898\" data-end=\"1925\"\u003e\n\u003cp data-start=\"1900\" data-end=\"1925\"\u003eRacing Sterndrive \u003cstrong data-start=\"1918\" data-end=\"1925\"\u003e500\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16f9ai0\" data-start=\"1926\" data-end=\"1956\"\u003e\n\u003cp data-start=\"1928\" data-end=\"1956\"\u003eRacing Sterndrive \u003cstrong data-start=\"1946\" data-end=\"1956\"\u003e525 SC\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"37fdhb\" data-start=\"1958\" data-end=\"2017\"\u003eMercury \/ Mariner Outboards (Gear Housing Applications)\u003c\/h3\u003e\n\u003cul data-start=\"2019\" data-end=\"2131\"\u003e\n\u003cli data-section-id=\"fdqfcf\" data-start=\"2019\" data-end=\"2036\"\u003e\n\u003cp data-start=\"2021\" data-end=\"2036\"\u003eMercury \u003cstrong data-start=\"2029\" data-end=\"2036\"\u003e8HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ck0mxi\" data-start=\"2037\" data-end=\"2055\"\u003e\n\u003cp data-start=\"2039\" data-end=\"2055\"\u003eMercury \u003cstrong data-start=\"2047\" data-end=\"2055\"\u003e10HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"czmvqo\" data-start=\"2056\" data-end=\"2074\"\u003e\n\u003cp data-start=\"2058\" data-end=\"2074\"\u003eMercury \u003cstrong data-start=\"2066\" data-end=\"2074\"\u003e25HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1nqumbs\" data-start=\"2075\" data-end=\"2092\"\u003e\n\u003cp data-start=\"2077\" data-end=\"2092\"\u003eMariner \u003cstrong data-start=\"2085\" data-end=\"2092\"\u003e6HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13x0zf4\" data-start=\"2093\" data-end=\"2112\"\u003e\n\u003cp data-start=\"2095\" data-end=\"2112\"\u003eMariner \u003cstrong data-start=\"2103\" data-end=\"2112\"\u003e9.9HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1maz3a2\" data-start=\"2113\" data-end=\"2131\"\u003e\n\u003cp data-start=\"2115\" data-end=\"2131\"\u003eMariner \u003cstrong data-start=\"2123\" data-end=\"2131\"\u003e15HP\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2133\" data-end=\"2312\"\u003eThese engines use the O-ring in \u003cstrong data-start=\"2165\" data-end=\"2230\"\u003egear housing, driveshaft housing, or seawater pump assemblies\u003c\/strong\u003e depending on the model and configuration. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2314\" data-end=\"2317\"\u003e\n\u003ch2 data-section-id=\"z1sj8n\" data-start=\"2319\" data-end=\"2330\"\u003eFunction\u003c\/h2\u003e\n\u003cp data-start=\"2332\" data-end=\"2524\"\u003eO-rings provide a \u003cstrong data-start=\"2350\" data-end=\"2394\"\u003etight seal between two mating components\u003c\/strong\u003e, preventing fluid leaks and maintaining proper pressure in marine systems such as pumps, gear housings, and lubrication passages.\u003c\/p\u003e\n\u003cp data-start=\"2526\" data-end=\"2655\"\u003eOver time, O-rings can harden, crack, or lose elasticity due to heat and exposure to oil or seawater. Replacing worn seals helps:\u003c\/p\u003e\n\u003cul data-start=\"2657\" data-end=\"2817\"\u003e\n\u003cli data-section-id=\"1ihlnf8\" data-start=\"2657\" data-end=\"2687\"\u003e\n\u003cp data-start=\"2659\" data-end=\"2687\"\u003ePrevent oil or water leaks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"511fqz\" data-start=\"2688\" data-end=\"2723\"\u003e\n\u003cp data-start=\"2690\" data-end=\"2723\"\u003eMaintain proper system pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mh3mtc\" data-start=\"2724\" data-end=\"2782\"\u003e\n\u003cp data-start=\"2726\" data-end=\"2782\"\u003eProtect engine and drive components from contamination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"17dce8h\" data-start=\"2783\" data-end=\"2817\"\u003e\n\u003cp data-start=\"2785\" data-end=\"2817\"\u003eEnsure reliable engine operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2819\" data-end=\"2822\"\u003e\n\u003ch2 data-section-id=\"vx4mil\" data-start=\"2824\" data-end=\"2855\"\u003eImportant Compatibility Note\u003c\/h2\u003e\n\u003cp data-start=\"2857\" data-end=\"3122\"\u003eO-rings are used in many different assemblies depending on \u003cstrong data-start=\"2916\" data-end=\"2975\"\u003eengine model, serial number range, and component design\u003c\/strong\u003e. Always verify compatibility using the \u003cstrong data-start=\"3015\" data-end=\"3066\"\u003eengine model and serial number or parts diagram\u003c\/strong\u003e before ordering to ensure the correct replacement seal.\u003c\/p\u003e\n\u003chr data-start=\"3124\" data-end=\"3127\"\u003e\n\u003cp data-start=\"3129\" data-end=\"3198\"\u003e\u003cstrong data-start=\"3129\" data-end=\"3142\"\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43765972697124,"sku":"8M0204684","price":3.74,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/6e3f2a94-4358-4f7c-9bb5-f46a9c6fc702.png?v=1773421927","url":"https:\/\/marisolmarine.com\/products\/merc-939","provider":"Marisol Marine Company","version":"1.0","type":"link"}