{"product_id":"mercury-water-pump-gasket-27-8m0090319","title":"Mercury – Water Pump Gasket | Cooling System Service | Marine Composite Seal | 8M0090319","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Gasket | Cooling System Service | Marine Composite Seal | 8M0090319\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’ve been on the water long enough, you know that an engine’s cooling system is one of those quiet, dependable lifelines you rarely think about—until something goes wrong. A steady stream from the telltale, a smooth idle after a long run, that comforting sense that your motor is staying cool even when the day gets hot… that’s the kind of peace a well-sealed water pump delivers. The Mercury 8M0090319 Water Pump Gasket plays a surprisingly important role in that consistency. It’s a small, simple component, but when you’re miles from the dock, parts like this are why you can trust your engine to stay steady and dependable.\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\"\u003ePrecision water pump gasket designed to seal the cooling system housing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade composite material built to handle heat, moisture, and vibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProvides a tight, secure seal when replacing or servicing water pump impellers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with various Mercury and Mariner two-stroke outboards (90–200HP)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits select MerCruiser sterndrive cooling systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSimple installation with standard shop tools\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 Mercury and Mariner two-stroke outboards ranging from 90HP to 200HP\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with select MerCruiser sterndrives using this specific gasket style\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on center consoles, fishing boats, pontoons, classic two-stroke rigs, and sterndrive-powered cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for engines requiring a fresh gasket during routine water pump or impeller service\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 gasket might seem like a small part, but anyone who has serviced a water pump knows how crucial it is. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen the gasket seals properly, water flows exactly where it should—tight, steady, and under the right pressure. That means your impeller can work efficiently, your engine stays cool, and you avoid overheating issues that can ruin a weekend or worse.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Mercury 8M0090319 gasket seats cleanly and feels secure once compressed. It doesn’t twist or fold like cheaper aftermarket seals, and the material holds up well under repeated heat cycles. Whether you’re replacing an impeller as part of annual maintenance or rebuilding a pump after noticing reduced water flow, a fresh OEM gasket gives you that “confident” feeling when you bolt everything back together.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIn real-world use, you’ll notice smoother cooling performance and steady water pressure. The engine warms up properly, maintains temperature under load, and won’t surprise you with sudden temperature swings. It’s the sort of upgrade you don’t hear—but you absolutely feel when the boat runs cooler and more predictably.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCooling system seals need to be precise. A \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eslightly off-center fit or a gasket made from low-quality materials can lead to leaks, low water pressure, or overheating. With a genuine Mercury Marine part, you know the gasket sits exactly where the engineers intended. It compresses evenly, resists swelling and breakdown, and lasts longer than generic alternatives. Wh\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003een it comes to a system as important as your water pump, buying OEM isn’t just wise—it’s the only choice that truly protects your engine.\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 8M0090319 Water Pump Gasket fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select MerCruiser sterndrives and Mercury\/Mariner two-stroke outboards between 90 and 200 horsepower.\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 OEM gaskets use marine-grade material, offer exact fitment, and maintain a proper seal under heat and vibration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine model and consult your owner’s manual for the correct Mercury Marine part number.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Its composite material resists corrosion, moisture, and mineral exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Very. Most boaters can replace it during an impeller service using common hand tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940790653219,"sku":"27-8M0090319","price":2.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV743973.jpg?v=1761164692","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-water-pump-gasket-27-8m0090319","provider":"PartsVu","version":"1.0","type":"link"}