{"product_id":"mercury-a-exh-man-gskt-2pk-bb-v8-8m0162487","title":"Mercury – Exhaust Manifold Gasket | Engine Sealing Series | Composite Marine Gasket | 8M0162487","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Exhaust Manifold Gasket | Engine Sealing Series | Composite Marine Gasket | 8M0162487\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eRunning a big-block MerCruiser has its own kind of music — that deep, steady rumble you feel more than you hear. But anyone who’s owned one knows that sound only stays strong when the smal\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003el things are taken care of. An exhaust manifold gasket may not look impressive, but it’s one of those parts that quietly \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeeps\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e everything working in harmony. Mercury Marine part 8M0162487 brings back that sense of confidence you get when the engine fires up clean, the exhaust note stays tight, and nothing leaks or ticks where it shouldn’t. It’s a simple part, sure — but you can feel the difference on every ride.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for GM Marine big-block engines: 454 and 502 (7.4L and 8.2L V8)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade composite material built to withstand high heat and pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered to Mercury Marine OEM specifications for exact fitment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps maintain proper exhaust sealing and prevents leaks or blow-by\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable construction resists crushing, warping, and moisture intrusion\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser sterndrive engines based on the GM Marine big-block 454 and 502 platforms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with 7.4L and 8.2L V8 MerCruiser engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on performance cruisers, older offshore boats, big-block sport boats, and heavy-duty sterndrive vessels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for boats that see long idle periods, high torque loads, or significant temperature fluctuations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebig-block’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e power is only as strong as its seal. When the manifold gasket is doing its job, the engine breathes the way it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas meant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to. You’ll hear it immediately — that smooth, full-bodied exhaust tone without the sharp ticking of a leak. The composite gasket \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to expand and contract with the manifold and head, holding its shape through long hours of heat, load, and vibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnc\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ee installed, this gasket helps maintain steady exhaust flow, improves overall engine efficiency, and prevents exhaust gases from creeping into the bilge. That’s not just about performance — it’s about safety and longevity. Big-block engines generate \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eserious\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e heat, and a poor seal can warp surfaces or lead to long-term damage. This OEM gasket grips evenly and stays sealed, cycle after cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf y\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eou’re the kind of boater who turns your own wrenches, you’ll appreciate how cleanly this gasket sits. No crumbling edges, no awkward alignment, no guessing about whether it’ll tighten down properly. It feels solid from the moment \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s placed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and once torqued, the seal holds tight. After that first warm-up run, you’ll feel the engine settle into that deep, confident rumble you know so well.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eWhy \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuy OEM\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith exhaust components, “almost right” can become “expensive” in a hurry. Aftermarket gaskets often use generic materials that fail early or don’t match the exact thickness and density Mercury designed for these engines. An improper seal on a big-block isn’t just an inconvenience — it can lead to warped mating surfaces, power loss, or even water intrusion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA genuine Mercury Marine gasket means a precise fit and reliable performance. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for the heat, the torque, and the environment your engine lives in. Choosing OEM is the kind of practical, experienced decision boaters make when they want to avoid problems later — and keep their engines running strong season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the 8M0162487 gasket fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits GM Marine big-block 454 and 502 engines (7.4L and 8.2L V8) used in MerCruiser sterndrives.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this gasket better than aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to Mercury’s exact tolerances, with marine-grade materials that handle heat and vibration far better.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know it’s the correct gasket for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine model and refer to your owner’s or service manual for part number verification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the composite design holds up well in either environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. With proper torque procedures, most mechanically experienced owners can install it confidently.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940783411491,"sku":"27-8M0162487","price":51.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0162487_Main.jpg?v=1760631450","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-a-exh-man-gskt-2pk-bb-v8-8m0162487","provider":"PartsVu","version":"1.0","type":"link"}