{"product_id":"mercury-mercruiser-quicksilver-o-ring-8m0204645","title":"Mercury MerCruiser Quicksilver O-Ring 8M0204645","description":"\u003ch2\u003eGenuine Quicksilver O-Ring — Part #8M0204645\u003c\/h2\u003e\u003cp\u003eKeep your Mercury or MerCruiser engine sealed and running right with this genuine Quicksilver O-Ring. Designed to OEM specification, this small but critical seal prevents fluid leaks at the assembly points where it's called out in the Mercury parts diagram. Using the correct factory O-ring — not a generic substitute — ensures a proper fit and long-lasting seal in demanding marine environments.\u003c\/p\u003e\u003ch2\u003eFits Where the Diagram Calls It Out\u003c\/h2\u003e\u003cp\u003eThis O-ring is used across a range of Mercury and MerCruiser assemblies. Always verify fitment by matching part number \u003cstrong\u003e8M0204645\u003c\/strong\u003e to your engine's current parts diagram using your model number and serial number before ordering.\u003c\/p\u003e\u003ch2\u003eFrequently Ordered With\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-mercruiser-quicksilver-gasket-inlet-seat-25033\"\u003eMercury MerCruiser Quicksilver Gasket, Inlet Seat 25033\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercury-mercruiser-quicksilver-lockwasher-8m0204647\"\u003eMercury MerCruiser Quicksilver Lockwasher 8M0204647\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eParts Desk Insights\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e This O-ring is the right choice when servicing a Mercury or MerCruiser assembly that specifically calls for part number 8M0204645 in the factory parts diagram. It's commonly needed during carburetor rebuilds, fuel system service, or cooling system work where O-ring seals are replaced as part of a complete service. Always replace O-rings in sets when disassembling an assembly — pairing this part with the \u003ca href=\"\/products\/mercury-mercruiser-quicksilver-gasket-inlet-seat-25033\"\u003einlet seat gasket\u003c\/a\u003e and \u003ca href=\"\/products\/mercury-mercruiser-quicksilver-lockwasher-8m0204647\"\u003elockwasher\u003c\/a\u003e is common practice. Confirm the part number against your current Mercury parts diagram — similar O-rings vary by production range and assembly location.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563840864292,"sku":"21836","price":3.12,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/74f13878-2373-45c3-849e-5a511884a784.png?v=1786488365","url":"https:\/\/marisolmarine.com\/products\/mercury-mercruiser-quicksilver-o-ring-8m0204645","provider":"Marisol Marine Company","version":"1.0","type":"link"}