{"product_id":"mercury-gasket-exhaust-manifold-fits-mcm-mie-gm-v-8-engines-27-46820","title":"Mercury – Quicksilver Exhaust Manifold Gasket | Exhaust System Seal | Marine-Grade Composite | 46820","description":"\u003cp data-start=\"0\" data-end=\"106\"\u003e\u003cstrong data-start=\"0\" data-end=\"104\"\u003eMercury – Quicksilver Exhaust Manifold Gasket | Exhaust System Seal | Marine-Grade Composite | 46820\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"108\" data-end=\"111\"\u003e\n\u003ch3 data-start=\"113\" data-end=\"131\"\u003e\u003cstrong data-start=\"117\" data-end=\"129\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"132\" data-end=\"647\"\u003eWhen you’re dealing with a high-performance marine V8, a tight exhaust seal isn’t optional — it’s essential. The \u003cstrong data-start=\"245\" data-end=\"305\"\u003eMercury Marine 46820 Quicksilver Exhaust Manifold Gasket\u003c\/strong\u003e is built for \u003cstrong data-start=\"319\" data-end=\"354\"\u003eGeneral Motors–based V8 engines\u003c\/strong\u003e used in \u003cstrong data-start=\"363\" data-end=\"414\"\u003eMerCruiser sterndrives and inboard applications\u003c\/strong\u003e. It’s also compatible with similar CID engines from \u003cstrong data-start=\"467\" data-end=\"474\"\u003eOMC\u003c\/strong\u003e and \u003cstrong data-start=\"479\" data-end=\"494\"\u003eVolvo Penta\u003c\/strong\u003e. Made from durable, marine-tested composite material, it keeps exhaust gases sealed and prevents leaks that can rob power or damage nearby components.\u003c\/p\u003e\n\u003chr data-start=\"649\" data-end=\"652\"\u003e\n\u003ch3 data-start=\"654\" data-end=\"676\"\u003e\u003cstrong data-start=\"658\" data-end=\"674\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"679\" data-end=\"775\"\u003e\n\u003cstrong data-start=\"679\" data-end=\"691\"\u003ePurpose:\u003c\/strong\u003e Seals the exhaust manifold to prevent gas leaks and maintain proper backpressure.\u003c\/li\u003e\n\u003cli data-start=\"778\" data-end=\"884\"\u003e\n\u003cstrong data-start=\"778\" data-end=\"791\"\u003eMaterial:\u003c\/strong\u003e Constructed from \u003cstrong data-start=\"809\" data-end=\"835\"\u003emarine-grade composite\u003c\/strong\u003e that withstands heat, pressure, and vibration.\u003c\/li\u003e\n\u003cli data-start=\"887\" data-end=\"984\"\u003e\n\u003cstrong data-start=\"887\" data-end=\"903\"\u003ePerformance:\u003c\/strong\u003e Maintains a leak-free seal, protecting your engine and improving exhaust flow.\u003c\/li\u003e\n\u003cli data-start=\"987\" data-end=\"1080\"\u003e\n\u003cstrong data-start=\"987\" data-end=\"1002\"\u003eDurability:\u003c\/strong\u003e Resists warping, cracking, and corrosion even in harsh marine environments.\u003c\/li\u003e\n\u003cli data-start=\"1083\" data-end=\"1245\"\u003e\n\u003cstrong data-start=\"1083\" data-end=\"1101\"\u003eCompatibility:\u003c\/strong\u003e Designed for \u003cstrong data-start=\"1115\" data-end=\"1172\"\u003eV8 GM-based engines (454, 482, 496, 502, and 540 CID)\u003c\/strong\u003e used in \u003cstrong data-start=\"1181\" data-end=\"1217\"\u003eMerCruiser, OMC, and Volvo Penta\u003c\/strong\u003e sterndrives and inboards.\u003c\/li\u003e\n\u003cli data-start=\"1248\" data-end=\"1347\"\u003e\n\u003cstrong data-start=\"1248\" data-end=\"1260\"\u003eFitment:\u003c\/strong\u003e Built to \u003cstrong data-start=\"1270\" data-end=\"1300\"\u003eMercury OEM specifications\u003c\/strong\u003e for perfect alignment and easy installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1349\" data-end=\"1352\"\u003e\n\u003ch3 data-start=\"1354\" data-end=\"1391\"\u003e\u003cstrong data-start=\"1358\" data-end=\"1389\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1394\" data-end=\"1474\"\u003eV8 MerCruiser sterndrive and inboard engines (454, 482, 496, 502, and 540 CID)\u003c\/li\u003e\n\u003cli data-start=\"1477\" data-end=\"1542\"\u003eOMC sterndrives and inboards using similar CID GM-based engines\u003c\/li\u003e\n\u003cli data-start=\"1545\" data-end=\"1612\"\u003eVolvo Penta sterndrives and inboards with compatible GM V8 blocks\u003c\/li\u003e\n\u003cli data-start=\"1615\" data-end=\"1694\"\u003eCommonly found on \u003cstrong data-start=\"1633\" data-end=\"1692\"\u003eoffshore boats, cruisers, and high-performance inboards\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1696\" data-end=\"1699\"\u003e\n\u003ch3 data-start=\"1701\" data-end=\"1744\"\u003e\u003cstrong data-start=\"1705\" data-end=\"1742\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1745\" data-end=\"2064\"\u003eThe \u003cstrong data-start=\"1749\" data-end=\"1773\"\u003e46820 exhaust gasket\u003c\/strong\u003e ensures a clean, tight seal between the manifold and cylinder head, preventing hot gases from escaping and keeping exhaust flow efficient. A proper seal helps your engine maintain backpressure, reduces noise, and protects against corrosive gas leaks that can damage the manifold or block.\u003c\/p\u003e\n\u003cp data-start=\"2066\" data-end=\"2333\"\u003eMade to handle the extreme temperatures and vibration of marine engines, this gasket stays intact where ordinary automotive gaskets fail. Whether you’re cruising or running at wide open throttle, it keeps your exhaust system sealed and performing the way it should.\u003c\/p\u003e\n\u003chr data-start=\"2335\" data-end=\"2338\"\u003e\n\u003ch3 data-start=\"2340\" data-end=\"2372\"\u003e\u003cstrong data-start=\"2344\" data-end=\"2370\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2373\" data-end=\"2582\"\u003eThe \u003cstrong data-start=\"2377\" data-end=\"2398\"\u003eQuicksilver 46820\u003c\/strong\u003e is a \u003cstrong data-start=\"2404\" data-end=\"2437\"\u003egenuine Mercury Marine gasket\u003c\/strong\u003e, engineered specifically for marine-grade performance. Generic gaskets often use weaker materials that break down under heat or salt exposure.\u003c\/p\u003e\n\u003cp data-start=\"2584\" data-end=\"2822\"\u003eMercury’s OEM gaskets are precision-cut, pressure-tested, and proven to hold up to years of use in demanding conditions. Installing OEM ensures the perfect fit and seal, protecting your investment and keeping your engine running strong.\u003c\/p\u003e\n\u003chr data-start=\"2824\" data-end=\"2827\"\u003e\n\u003ch3 data-start=\"2829\" data-end=\"2842\"\u003e\u003cstrong data-start=\"2833\" data-end=\"2840\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2844\" data-end=\"3042\"\u003e\u003cstrong data-start=\"2844\" data-end=\"2887\"\u003eQ1: Which engines does this gasket fit?\u003c\/strong\u003e\u003cbr data-start=\"2887\" data-end=\"2890\"\u003eIt fits \u003cstrong data-start=\"2898\" data-end=\"2974\"\u003eV8 MerCruiser sterndrives and inboards (454, 482, 496, 502, and 540 CID)\u003c\/strong\u003e and compatible GM-based engines from \u003cstrong data-start=\"3012\" data-end=\"3019\"\u003eOMC\u003c\/strong\u003e and \u003cstrong data-start=\"3024\" data-end=\"3039\"\u003eVolvo Penta\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3044\" data-end=\"3157\"\u003e\u003cstrong data-start=\"3044\" data-end=\"3072\"\u003eQ2: What’s it made from?\u003c\/strong\u003e\u003cbr data-start=\"3072\" data-end=\"3075\"\u003eA \u003cstrong data-start=\"3077\" data-end=\"3103\"\u003emarine-grade composite\u003c\/strong\u003e engineered to resist heat, pressure, and corrosion.\u003c\/p\u003e\n\u003cp data-start=\"3159\" data-end=\"3323\"\u003e\u003cstrong data-start=\"3159\" data-end=\"3208\"\u003eQ3: When should I replace the exhaust gasket?\u003c\/strong\u003e\u003cbr data-start=\"3208\" data-end=\"3211\"\u003eReplace it any time you remove the manifold or notice exhaust noise, leaks, or discoloration around the joint.\u003c\/p\u003e\n\u003cp data-start=\"3325\" data-end=\"3464\"\u003e\u003cstrong data-start=\"3325\" data-end=\"3370\"\u003eQ4: Can it handle saltwater environments?\u003c\/strong\u003e\u003cbr data-start=\"3370\" data-end=\"3373\"\u003eYes — it’s made for long-term durability in both \u003cstrong data-start=\"3422\" data-end=\"3450\"\u003esaltwater and freshwater\u003c\/strong\u003e conditions.\u003c\/p\u003e\n\u003cp data-start=\"3466\" data-end=\"3640\"\u003e\u003cstrong data-start=\"3466\" data-end=\"3527\"\u003eQ5: Why use Mercury OEM instead of an aftermarket gasket?\u003c\/strong\u003e\u003cbr data-start=\"3527\" data-end=\"3530\"\u003eOEM gaskets ensure exact fit, even sealing, and materials that won’t degrade under marine heat and pressure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940850192675,"sku":"27-46820","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/46820_main.jpg?v=1760631165","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-gasket-exhaust-manifold-fits-mcm-mie-gm-v-8-engines-27-46820","provider":"PartsVu","version":"1.0","type":"link"}