{"product_id":"mercury-water-circulating-pump-fits-mcm-496-mag-ho-and-mie-8-1s-ho-46-8m0113736","title":"Mercury – Water Pump Assembly | MerCruiser Cooling System | Marine Aluminum Housing | 8M0113736","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Assembly | MerCruiser Cooling System | Marine Aluminum Housing | 8M0113736\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 When you’ve spent enough time on the water, you learn to trust the parts that keep your engine cool and calm, even when the day heats up. A dependable water pump becomes one of those unsung heroes — working quietly beneath the deck \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eso you can enjoy the ride without worrying about\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e temperature spikes or unexpected shutdowns. The Mercury 8M0113736 Water Pump Assembly is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e that kind of part. It gives you the confidence to head out early, run long, and get home without a second thought, because you know the cooling system is doing its job with \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esteady\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, predictable flow.\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\"\u003eComplete water pump assembly designed for MerCruiser 496 Magnum, Magnum HO, 8.1S, and 8.1S HO engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade construction built to withstand continuous exposure to heat, moisture, and vibration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes pump housing and gaskets for a proper, secure installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered for high-volume coolant circulation to support large-displacement V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTested to hold up in harsh saltwater environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to meet or exceed original Mercury Marine specifications for flow and durability\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 496 Magnum and 496 Magnum High Output sterndrive engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser 8.1S and 8.1S High Output inboard engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon in performance boats, heavy cruisers, offshore hulls, wake boats, and large runabouts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for both raw-water and closed-cooling systems requiring a high-capacity pump\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 good water pump should run so smoothly you barely notice it — and that’s \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what this Mercury Marine part delivers. O\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ence installed, you’ll see your engine settle into a steady operating temperature, even during \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elong\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e idle periods, slow no-wake zones, and the kind of hard acceleration that big-block engines love. The pump’s internal design moves coolant with a smooth and balanced rhythm, giving your engine the breathing room it needs to perform without overheating or surging.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eY\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eou’ll also appreciate the tight, secure fit during installation. The housing seats cleanly, the gaskets \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elay\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e flat, and the mounting points line up the way they’re supposed to. No wrestling, no odd angles — just a clean, confident install. And once it’s in place, the housing \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estands up to\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e constant heat cycles and the unforgiving nature of saltwater. Ma\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eny boaters notice quieter operation and more stable temperatures the very first time they fire up the engine with the new pump in place.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurability is where this water pump really shines. It resists corrosion, maintains its internal clearances, and keeps coolant moving efficiently season after season. It’s the kind of upgrade that quietly transforms the reliability of your big-block MerCruiser.\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\"\u003eThere’s no shortcut when it comes to cooling a high-output V8. Genuine Mercury Marine parts are engineered specifically for these big-block platforms — with the right materials, the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e flow rates, and the kind of durability that offshore conditions demand. Aftermarket pumps might look similar, but they often fall short in long-term reliability or cooling efficiency. Choosing the 8M0113736 Water Pump means you’re protecting your investment, avoiding unnecessary overheating issues, and giving your engine the exact part it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to run with. It’s simply the smart move for anyone who spends real time on the water.\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 8M0113736 Water Pump fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser 496 Magnum, Magnum High Output, 8.1S, and 8.1S High Output engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this different from aftermarket water pumps?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM engineering, superior marine materials, better cooling consistency, and long-term durability that generic versions rarely match.\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 Check your engine model and serial range. If \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyour boat is powered by a 496 Magnum or 8.1S platform\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, this is the intended Mercury Marine part.\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 — it’s engineered to withstand the harsher conditions of saltwater while performing flawlessly in freshwater as well.\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 Most experienced boat owners or technicians find it simple. It installs as a direct-fit OEM replacement with included gaskets.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940108292387,"sku":"46-8M0113736","price":277.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0113736_Main.jpg?v=1760631347","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-water-circulating-pump-fits-mcm-496-mag-ho-and-mie-8-1s-ho-46-8m0113736","provider":"PartsVu","version":"1.0","type":"link"}