{"product_id":"mercury-v6-v8-water-pump-kit-47-8m0205803","title":"Mercury – Water Pump Repair Kit | Four-Stroke Cooling System | Marine-Grade Components | 8M0205803","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Water Pump Repair Kit | Four-Stroke Cooling System | Marine-Grade Components | 8M0205803\u003c\/span\u003e\u003c\/strong\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAny boater \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewho's\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e spent\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long days offshore or lazy evenings drifting near the inlet knows how much trust we put into our engines. That steady hum, the smooth throttle response, the confidence that the temperature needle will stay right where it should — all of it depends on a healthy water pump. When that system is working right, you barely think about it. But when it falters, you feel it instantly. The Mercury Marine part 8M0205803 Water Pump Repair Kit brings back that sense of certainty. It gives you everything you need to restore the cooling system your four-stroke relies on, keeping your engine running \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecool\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, steady, and ready for whatever water lies 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\u003cspan data-preserver-spaces=\"true\"\u003eComplete water pump repair kit for Mercury one-hundred-seventy-five to three-hundred horsepower four-stroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAlso fits Mercury Racing four-hundred-fifty R engines and select three-point-four liter V6 and four-point-six liter V8 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplatforms\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes impeller, impeller key, face plate, seals, O-rings, gaskets, actuator seal, drain plug seal, and face seal tool\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for reliable water flow and cooling efficiency\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0205803\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eStraightforward installation using \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecommon\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e shop tools\u003c\/span\u003e\n\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e This kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury four-stroke outboards from one-hundred-seventy-five to three-hundred horsepower\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Racing four-hundred-fifty R\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury V6 and V8 four-stroke models (serial number two-B-five-two-nine-four-eight-two and above)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerfect for boats such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOffshore center consoles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMulti-engine fishing rigs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance boats running high-load cycles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFamily cruisers and pontoons \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003erelying\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on dependable cooling\u003c\/span\u003e\n\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 well-functioning water pump \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eisn’t\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e something you admire — \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e something you \u003c\/span\u003e\u003cem\u003e\u003cspan data-preserver-spaces=\"true\"\u003efeel\u003c\/span\u003e\u003c\/em\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. You feel it when your boat jumps onto \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplane\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e without hesitation, when your engine stays cool during long idle stretches, and when the temperature holds steady even in warm shallow bays. This kit restores that confidence by giving you fresh components that seal tightly, move water efficiently, and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estand up to\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the heat and strain of real-world use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe impeller \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis crafted\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to stay flexible across wide temperature swings, keeping water flowing smoothly through the cooling passages. Fresh gaskets and seals eliminate small leaks that can rob your engine of cooling power. The face plate provides a clean, solid surface for the impeller to operate against, ensuring predictable flow and consistent pressure. Together, these parts create a cooling system that runs tight, smooth, and stable — exactly what you want beneath you when the weather changes or the run home gets long.\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 Cooling components are not the place to experiment with aftermarket substitutes.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Even slight differences in impeller stiffness, seal material, or plate thickness can lead to overheating, reduced flow, or premature wear. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM design is engineered specifically for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etheir\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e four-stroke platforms, ensuring proper fit, correct clearances, and reliable long-term performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing OEM means choosing parts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat were\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e built and tested for your engine — parts that protect your investment and keep your outboard performing exactly \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe way\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Mercury intended.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e practical, proven, and smart boating.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWater\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Pump Repair Kit 8M0205803 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury one-hundred-seventy-five to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethree-hundred horsepower\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e four-stroke outboards, Mercury Racing four-hundred-fifty R, and select V6 and V8 engines (serial number two-B-five-two-nine-four-eight-two and up).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this kit better than aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every component \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e exact cooling specifications for flow, durability, and fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the correct kit for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eengine’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e serial number or \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eowner’s\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e manual and match it to the part number listed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this be used in both freshwater and saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — all materials are designed to withstand corrosion, heat, and constant exposure to marine conditions.\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecommon\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e tools and basic mechanical familiarity, most owners can complete the repair confidently.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940095742243,"sku":"47-8M0205803","price":59.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0142980_Main.jpg?v=1760631589","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-v6-v8-water-pump-kit-47-8m0205803","provider":"PartsVu","version":"1.0","type":"link"}