{"product_id":"mercury-water-circulating-pump-fits-gm-v-6-v-8-engines-46-8m0113734","title":"Mercury – Water Pump Assembly | V6 \u0026 V8 Sterndrive Cooling | OEM Housing \u0026 Components | 8M0113734","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Assembly | V6 \u0026amp; V8 Sterndrive Cooling | OEM Housing \u0026amp; Components | 8M0113734\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\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 Anyone who’s spent long days running a MerCruiser engine knows how much trust you place in your cooling system. When the water pump is healthy, the boat feels different — the engine settles into a steady hum, the throttle feels smoother, and you stop thinking about temperature gauges altogether. That’s the kind of quiet confidence the Mercury 8M0113734 Water Pump delivers. For V6 and V8 sterndrive owners, it’s one of those essential components that keeps your engine protected \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eso\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the only thing \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyou’re focused\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on is the water ahead.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete replacement \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewater\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e pump and housing\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt for select V6 MerCruiser engines (serial No. 1A0632239 and below)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits V8 MerCruiser engines \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eincluding\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 305, 350, and 377 cubic inch displacement models\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes gaskets for a proper, leak-free installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to meet Mercury Marine’s original equipment specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with General Motors–based V6 MerCruiser sterndrive engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits V8 MerCruiser 305, 350, and 377 sterndrive engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on bowriders, small cruisers, sport boats, deck boats, and performance sterndrive setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for engines used in warm climates, high-load operation, or extended cruising\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A reliable water pump is the heartbeat of your engine’s cooling system. Install this assembly, and you’ll notice the engine temperature holding steady in every condition — long idle periods at the marina, slow trolling passes, or high-speed runs across the lake. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe housing and impeller work together to provide \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estrong\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, consistent water flow, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeeping the engine from\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e overheating and protecting internal components from stress and premature wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe parts fit together with the satisfying precision you expect from an OEM design. The gaskets seal tight, the housing aligns without fuss, and everything locks in with a secure, steady feel. On the water, that translates into smoother operation, a more predictable temperature curve, and better long-term durability. The materials resist corrosion and heat stress, giving you season after season of dependable service. For many boaters, replacing the water pump is a smart, preventative move — one that saves you from costly repairs and engine downtime later.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\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\"\u003eWater pumps aren’t a place to cut corners. Aftermarket versions may look similar, but \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmall\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e differences in impeller design, housing tolerances, or gasket quality can cause reduced flow or early failure. Mercury Marine part number 8M0113734 is engineered specifically for these V6 and V8 sterndrives, ensuring correct flow rates and long-term protection. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’re choosing a part that fits right, performs right, and holds up to the demands of real boating. For reliability and peace of mind, OEM is simply the practical choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the Mercury 8M0113734 Water Pump fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select V6 MerCruiser engines (serial No. 1A0632239 and below) and V8 models with 305, 350, or 377 cubic inch displacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: How is this different from aftermarket pumps?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM pumps match factory specifications exactly, ensuring consistent cooling flow and long-term durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this is the correct part?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine serial number or refer to your service manual for part number 8M0113734.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in saltwater and freshwate\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003er?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the materials are designed to withstand both environments.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMost boat owners \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecomfortable\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with basic engine service can install it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eusing\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecommon\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e shop tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940108325155,"sku":"46-8M0113734","price":154.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0113734_main.jpg?v=1760631383","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-water-circulating-pump-fits-gm-v-6-v-8-engines-46-8m0113734","provider":"PartsVu","version":"1.0","type":"link"}