{"product_id":"mercury-quicksilver-intake-gasket-set-fits-mcm-350-mag-5-0l-5-7l-lx-27-807473a1","title":"Mercury – Quicksilver Manifold Gasket Set | For V8 MerCruiser 350 Mag, 5.0L \u0026 5.7L\/LX Engines | 807473A1","description":"\u003cp data-start=\"0\" data-end=\"110\"\u003e\u003cstrong data-start=\"0\" data-end=\"108\"\u003eMercury – Quicksilver Manifold Gasket Set | For V8 MerCruiser 350 Mag, 5.0L \u0026amp; 5.7L\/LX Engines | 807473A1\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"112\" data-end=\"115\"\u003e\n\u003ch3 data-start=\"117\" data-end=\"135\"\u003e\u003cstrong data-start=\"121\" data-end=\"133\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"136\" data-end=\"742\"\u003eKeep your MerCruiser’s exhaust system sealed and running efficiently with the \u003cstrong data-start=\"214\" data-end=\"273\"\u003eMercury Marine 807473A1 Quicksilver Manifold Gasket Set\u003c\/strong\u003e. Designed specifically for \u003cstrong data-start=\"301\" data-end=\"383\"\u003eV8 MerCruiser 350 Mag, 5.0L, and 5.7L\/LX (Gen+) sterndrive and inboard engines\u003c\/strong\u003e made by \u003cstrong data-start=\"392\" data-end=\"427\"\u003eGeneral Motors (1996 and newer)\u003c\/strong\u003e, this OEM three-piece set provides a perfect seal between your manifold and cylinder head. A tight seal means fewer leaks, better performance, and longer life for your engine. Built with high-quality materials and Mercury’s proven engineering, it’s the kind of reliability that boaters depend on year after year.\u003c\/p\u003e\n\u003chr data-start=\"744\" data-end=\"747\"\u003e\n\u003ch3 data-start=\"749\" data-end=\"771\"\u003e\u003cstrong data-start=\"753\" data-end=\"769\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"774\" data-end=\"895\"\u003e\n\u003cstrong data-start=\"774\" data-end=\"786\"\u003ePurpose:\u003c\/strong\u003e Provides a secure seal between the exhaust manifold and cylinder head to prevent exhaust or coolant leaks.\u003c\/li\u003e\n\u003cli data-start=\"898\" data-end=\"996\"\u003e\n\u003cstrong data-start=\"898\" data-end=\"916\"\u003eCompatibility:\u003c\/strong\u003e Fits \u003cstrong data-start=\"922\" data-end=\"993\"\u003eV8 MerCruiser 350 Mag, 5.0L \u0026amp; 5.7L\/LX (Gen+) engines (1996 \u0026amp; newer)\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"999\" data-end=\"1111\"\u003e\n\u003cstrong data-start=\"999\" data-end=\"1016\"\u003eComplete Kit:\u003c\/strong\u003e Includes \u003cstrong data-start=\"1026\" data-end=\"1042\"\u003ethree pieces\u003c\/strong\u003e — port and starboard gaskets, plus a star washer for installation.\u003c\/li\u003e\n\u003cli data-start=\"1114\" data-end=\"1224\"\u003e\n\u003cstrong data-start=\"1114\" data-end=\"1131\"\u003eConstruction:\u003c\/strong\u003e Built with \u003cstrong data-start=\"1143\" data-end=\"1183\"\u003ehigh-grade, heat-resistant materials\u003c\/strong\u003e to handle marine exhaust temperatures.\u003c\/li\u003e\n\u003cli data-start=\"1227\" data-end=\"1347\"\u003e\n\u003cstrong data-start=\"1227\" data-end=\"1252\"\u003eEase of Installation:\u003c\/strong\u003e Designed as a \u003cstrong data-start=\"1267\" data-end=\"1293\"\u003edirect OEM replacement\u003c\/strong\u003e, ensuring precise fit and long-lasting performance.\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=\"1498\"\u003e\n\u003cstrong data-start=\"1394\" data-end=\"1457\"\u003eV8 MerCruiser sterndrive and inboard engines (1996 \u0026amp; newer)\u003c\/strong\u003e made by \u003cstrong data-start=\"1466\" data-end=\"1484\"\u003eGeneral Motors\u003c\/strong\u003e, including:\u003c\/li\u003e\n\u003cli data-start=\"1503\" data-end=\"1512\"\u003e350 Mag\u003c\/li\u003e\n\u003cli data-start=\"1517\" data-end=\"1523\"\u003e5.0L\u003c\/li\u003e\n\u003cli data-start=\"1528\" data-end=\"1544\"\u003e5.7L\/LX (Gen+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1546\" data-end=\"1549\"\u003e\n\u003ch3 data-start=\"1551\" data-end=\"1594\"\u003e\u003cstrong data-start=\"1555\" data-end=\"1592\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1595\" data-end=\"1845\"\u003eThe \u003cstrong data-start=\"1599\" data-end=\"1631\"\u003e807473A1 manifold gasket set\u003c\/strong\u003e plays a crucial role in maintaining proper exhaust flow and cooling. A compromised seal can lead to exhaust leaks, overheating, or water intrusion into the cylinders — all of which can cause major engine damage.\u003c\/p\u003e\n\u003cp data-start=\"1847\" data-end=\"2233\"\u003eThis Mercury OEM set is made from durable materials that resist compression, heat, and corrosion. The gaskets conform perfectly to your engine’s machined surfaces, creating a lasting seal that helps maintain exhaust efficiency and prevent leaks under heavy load. Whether you’re doing routine maintenance or a complete manifold replacement, this kit restores factory-level reliability.\u003c\/p\u003e\n\u003chr data-start=\"2235\" data-end=\"2238\"\u003e\n\u003ch3 data-start=\"2240\" data-end=\"2272\"\u003e\u003cstrong data-start=\"2244\" data-end=\"2270\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2273\" data-end=\"2548\"\u003eThe \u003cstrong data-start=\"2277\" data-end=\"2301\"\u003eQuicksilver 807473A1\u003c\/strong\u003e is a \u003cstrong data-start=\"2307\" data-end=\"2338\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, engineered and tested to withstand the harsh marine environment. Aftermarket gasket sets may look similar but often use materials that degrade under heat and moisture, leading to premature leaks or failure.\u003c\/p\u003e\n\u003cp data-start=\"2550\" data-end=\"2759\"\u003eMercury OEM gaskets are built to handle constant temperature swings, vibration, and water exposure — the same parts used on new MerCruiser builds. It’s quality you can trust every time you start your engine.\u003c\/p\u003e\n\u003chr data-start=\"2761\" data-end=\"2764\"\u003e\n\u003ch3 data-start=\"2766\" data-end=\"2779\"\u003e\u003cstrong data-start=\"2770\" data-end=\"2777\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2781\" data-end=\"2940\"\u003e\u003cstrong data-start=\"2781\" data-end=\"2827\"\u003eQ1: What engines does this gasket set fit?\u003c\/strong\u003e\u003cbr data-start=\"2827\" data-end=\"2830\"\u003eIt fits \u003cstrong data-start=\"2838\" data-end=\"2894\"\u003eV8 MerCruiser 350 Mag, 5.0L \u0026amp; 5.7L\/LX (Gen+) engines\u003c\/strong\u003e made by \u003cstrong data-start=\"2903\" data-end=\"2921\"\u003eGeneral Motors\u003c\/strong\u003e, 1996 and newer.\u003c\/p\u003e\n\u003cp data-start=\"2942\" data-end=\"3082\"\u003e\u003cstrong data-start=\"2942\" data-end=\"2981\"\u003eQ2: How many pieces are in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2981\" data-end=\"2984\"\u003eThe kit includes \u003cstrong data-start=\"3001\" data-end=\"3017\"\u003ethree pieces\u003c\/strong\u003e — two manifold gaskets (port and starboard) and a star washer.\u003c\/p\u003e\n\u003cp data-start=\"3084\" data-end=\"3211\"\u003e\u003cstrong data-start=\"3084\" data-end=\"3110\"\u003eQ3: What does it seal?\u003c\/strong\u003e\u003cbr data-start=\"3110\" data-end=\"3113\"\u003eIt seals the \u003cstrong data-start=\"3126\" data-end=\"3167\"\u003eexhaust manifold to the cylinder head\u003c\/strong\u003e, preventing exhaust gas or coolant leaks.\u003c\/p\u003e\n\u003cp data-start=\"3213\" data-end=\"3357\"\u003e\u003cstrong data-start=\"3213\" data-end=\"3246\"\u003eQ4: When should I replace it?\u003c\/strong\u003e\u003cbr data-start=\"3246\" data-end=\"3249\"\u003eReplace whenever you remove the manifolds or notice signs of \u003cstrong data-start=\"3310\" data-end=\"3354\"\u003eexhaust leaks, corrosion, or gasket wear\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3359\" data-end=\"3544\"\u003e\u003cstrong data-start=\"3359\" data-end=\"3398\"\u003eQ5: Why OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3398\" data-end=\"3401\"\u003e\u003cstrong data-start=\"3401\" data-end=\"3424\"\u003eMercury OEM gaskets\u003c\/strong\u003e are made with superior heat-resistant materials and exact fitment, ensuring a perfect seal and long-term reliability.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940835807523,"sku":"27-807473A1","price":63.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/807473a1_main.jpg?v=1760631196","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-quicksilver-intake-gasket-set-fits-mcm-350-mag-5-0l-5-7l-lx-27-807473a1","provider":"PartsVu","version":"1.0","type":"link"}