{"product_id":"mercury-47-803748k02-outboard-water-impeller-repair-kit-fits-9-9-hp-four-stroke","title":"Mercury – Water Pump Impeller Repair Kit | For 8 \u0026 9.9HP FourStroke BigFoot\/Command Thrust | 803748K02","description":"\u003cp data-start=\"0\" data-end=\"108\"\u003e\u003cstrong data-start=\"0\" data-end=\"106\"\u003eMercury – Water Pump Impeller Repair Kit | For 8 \u0026amp; 9.9HP FourStroke BigFoot\/Command Thrust | 803748K02\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"110\" data-end=\"113\"\u003e\n\u003ch3 data-start=\"115\" data-end=\"133\"\u003e\u003cstrong data-start=\"119\" data-end=\"131\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"134\" data-end=\"640\"\u003eYour engine’s cooling system is the heart of its reliability, and the \u003cstrong data-start=\"204\" data-end=\"263\"\u003eMercury Marine 803748K02 Water Pump Impeller Repair Kit\u003c\/strong\u003e keeps it running perfectly. Designed for \u003cstrong data-start=\"305\" data-end=\"351\"\u003eMercury 8HP and 9.9HP FourStroke outboards\u003c\/strong\u003e equipped with \u003cstrong data-start=\"366\" data-end=\"433\"\u003eBigFoot or Command Thrust gearcases (model year 2005 and newer)\u003c\/strong\u003e, this OEM kit includes everything you need to restore proper water flow and cooling performance. It’s an easy, straightforward way to maintain your motor’s health and prevent overheating before it starts.\u003c\/p\u003e\n\u003chr data-start=\"642\" data-end=\"645\"\u003e\n\u003ch3 data-start=\"647\" data-end=\"669\"\u003e\u003cstrong data-start=\"651\" data-end=\"667\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"672\" data-end=\"776\"\u003e\n\u003cstrong data-start=\"672\" data-end=\"684\"\u003ePurpose:\u003c\/strong\u003e Replaces worn cooling system parts to maintain steady water flow and prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"1017\"\u003e\n\u003cstrong data-start=\"927\" data-end=\"944\"\u003eComplete Kit:\u003c\/strong\u003e Includes \u003cstrong data-start=\"954\" data-end=\"1014\"\u003eimpeller, seal, key, gasket, plate, and water guide tube\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1020\" data-end=\"1104\"\u003e\n\u003cstrong data-start=\"1020\" data-end=\"1036\"\u003ePerformance:\u003c\/strong\u003e Ensures proper cooling under all load and temperature conditions.\u003c\/li\u003e\n\u003cli data-start=\"1107\" data-end=\"1208\"\u003e\n\u003cstrong data-start=\"1107\" data-end=\"1123\"\u003eEase of Use:\u003c\/strong\u003e Simple installation with standard tools — direct OEM fit, no modifications needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1210\" data-end=\"1213\"\u003e\n\u003ch3 data-start=\"1215\" data-end=\"1252\"\u003e\u003cstrong data-start=\"1219\" data-end=\"1250\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1255\" data-end=\"1303\"\u003e\u003cstrong data-start=\"1255\" data-end=\"1301\"\u003eMercury 8HP and 9.9HP FourStroke outboards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-start=\"1306\" data-end=\"1349\"\u003eWith \u003cstrong data-start=\"1311\" data-end=\"1347\"\u003eBigFoot\/Command Thrust gearcases\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1383\"\u003e\u003cstrong data-start=\"1352\" data-end=\"1381\"\u003eModel year 2005 and newer\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1385\" data-end=\"1388\"\u003e\n\u003ch3 data-start=\"1390\" data-end=\"1433\"\u003e\u003cstrong data-start=\"1394\" data-end=\"1431\"\u003ePerformance \u0026amp; Real-World Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1434\" data-end=\"1744\"\u003eThe \u003cstrong data-start=\"1438\" data-end=\"1471\"\u003e803748K02 impeller repair kit\u003c\/strong\u003e restores your engine’s cooling efficiency by replacing critical water pump components that wear over time. A fresh impeller and gasket set maintain strong water circulation, protecting your outboard from overheating and ensuring consistent performance in all conditions.\u003c\/p\u003e\n\u003cp data-start=\"1746\" data-end=\"2021\"\u003eThis complete OEM kit includes everything needed for a proper repair — no missing parts, no guesswork. It’s built to Mercury’s standards for perfect fitment and durability, so you can service your pump confidently and get back on the water knowing your engine is protected.\u003c\/p\u003e\n\u003chr data-start=\"2023\" data-end=\"2026\"\u003e\n\u003ch3 data-start=\"2028\" data-end=\"2060\"\u003e\u003cstrong data-start=\"2032\" data-end=\"2058\"\u003eWhy Choose Mercury OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2061\" data-end=\"2321\"\u003eThe \u003cstrong data-start=\"2065\" data-end=\"2086\"\u003eMercury 803748K02\u003c\/strong\u003e is an \u003cstrong data-start=\"2093\" data-end=\"2125\"\u003eauthentic Mercury Marine kit\u003c\/strong\u003e, designed and tested specifically for Mercury engines. Aftermarket kits may look similar, but small differences in size, materials, or tolerances can reduce performance and cause early failure.\u003c\/p\u003e\n\u003cp data-start=\"2323\" data-end=\"2552\"\u003eMercury OEM components are built from premium materials to withstand high temperatures, saltwater exposure, and continuous use. It’s the same quality used by Mercury technicians, ensuring the job gets done right the first time.\u003c\/p\u003e\n\u003chr data-start=\"2554\" data-end=\"2557\"\u003e\n\u003ch3 data-start=\"2559\" data-end=\"2572\"\u003e\u003cstrong data-start=\"2563\" data-end=\"2570\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2574\" data-end=\"2734\"\u003e\u003cstrong data-start=\"2574\" data-end=\"2613\"\u003eQ1: What engines does this kit fit?\u003c\/strong\u003e\u003cbr data-start=\"2613\" data-end=\"2616\"\u003eIt fits \u003cstrong data-start=\"2624\" data-end=\"2670\"\u003eMercury 8HP and 9.9HP FourStroke outboards\u003c\/strong\u003e with \u003cstrong data-start=\"2676\" data-end=\"2715\"\u003eBigFoot or Command Thrust gearcases\u003c\/strong\u003e, 2005 and newer.\u003c\/p\u003e\n\u003cp data-start=\"2736\" data-end=\"2870\"\u003e\u003cstrong data-start=\"2736\" data-end=\"2771\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2771\" data-end=\"2774\"\u003eThe kit comes with a \u003cstrong data-start=\"2795\" data-end=\"2867\"\u003ereplacement impeller, seal, key, gasket, plate, and water guide tube\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2872\" data-end=\"3041\"\u003e\u003cstrong data-start=\"2872\" data-end=\"2914\"\u003eQ3: Why should I replace the impeller?\u003c\/strong\u003e\u003cbr data-start=\"2914\" data-end=\"2917\"\u003eThe impeller wears over time and can’t circulate water efficiently, leading to overheating and reduced engine performance.\u003c\/p\u003e\n\u003cp data-start=\"3043\" data-end=\"3165\"\u003e\u003cstrong data-start=\"3043\" data-end=\"3081\"\u003eQ4: Is this a complete repair kit?\u003c\/strong\u003e\u003cbr data-start=\"3081\" data-end=\"3084\"\u003eYes — it contains every key component you need for a proper water pump rebuild.\u003c\/p\u003e\n\u003cp data-start=\"3167\" data-end=\"3362\"\u003e\u003cstrong data-start=\"3167\" data-end=\"3221\"\u003eQ5: Why choose Mercury OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3221\" data-end=\"3224\"\u003eBecause \u003cstrong data-start=\"3232\" data-end=\"3257\"\u003eOEM parts fit exactly\u003c\/strong\u003e, last longer, and are tested to perform in real-world marine conditions — no shortcuts or compromises.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626593706275,"sku":"47-803748K02","price":83.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/803748K02_Main.jpg?v=1760631185","url":"https:\/\/partsvu.com\/fr\/products\/mercury-47-803748k02-outboard-water-impeller-repair-kit-fits-9-9-hp-four-stroke","provider":"PartsVu","version":"1.0","type":"link"}