{"product_id":"mercury-water-impeller-repair-kit-fits-40-45-50-hp-four-stroke-821354a2","title":"Mercury – Quicksilver 821354A2 Water Pump Repair Kit | Mercury \u0026 Mariner 25–50HP 2-Stroke \u0026 4-Stroke Outboards | 821354A2","description":"\u003cp data-start=\"0\" data-end=\"127\"\u003e\u003cstrong data-start=\"0\" data-end=\"125\"\u003eMercury – Quicksilver 821354A2 Water Pump Repair Kit | Mercury \u0026amp; Mariner 25–50HP 2-Stroke \u0026amp; 4-Stroke Outboards | 821354A2\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"129\" data-end=\"132\"\u003e\n\u003ch3 data-start=\"134\" data-end=\"152\"\u003e\u003cstrong data-start=\"138\" data-end=\"150\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"153\" data-end=\"426\"\u003eKeeping your outboard’s cooling system in top shape is one of the easiest ways to protect your engine. The \u003cstrong data-start=\"260\" data-end=\"306\"\u003eQuicksilver 821354A2 Water Pump Repair Kit\u003c\/strong\u003e gives you everything you need to rebuild the pump on \u003cstrong data-start=\"360\" data-end=\"423\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"428\" data-end=\"752\"\u003eThis OEM kit includes all the essentials — the \u003cstrong data-start=\"475\" data-end=\"539\"\u003eimpeller, drive key, faceplate, gaskets, and water tube seal\u003c\/strong\u003e — designed to Mercury’s factory specs for perfect fit and reliable flow. Whether you’re doing routine maintenance or bringing an older engine back to life, this kit keeps your motor running cool and dependable.\u003c\/p\u003e\n\u003chr data-start=\"754\" data-end=\"757\"\u003e\n\u003ch3 data-start=\"759\" data-end=\"781\"\u003e\u003cstrong data-start=\"763\" data-end=\"779\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"784\" data-end=\"877\"\u003e\n\u003cstrong data-start=\"784\" data-end=\"796\"\u003ePurpose:\u003c\/strong\u003e Restores proper water flow to maintain engine cooling and prevent overheating.\u003c\/li\u003e\n\u003cli data-start=\"880\" data-end=\"963\"\u003e\n\u003cstrong data-start=\"880\" data-end=\"892\"\u003eFitment:\u003c\/strong\u003e For \u003cstrong data-start=\"897\" data-end=\"960\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"966\" data-end=\"1060\"\u003e\n\u003cstrong data-start=\"966\" data-end=\"983\"\u003eKit Contents:\u003c\/strong\u003e Includes \u003cstrong data-start=\"993\" data-end=\"1057\"\u003eimpeller, drive key, faceplate, gaskets, and water tube seal\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1063\" data-end=\"1160\"\u003e\n\u003cstrong data-start=\"1063\" data-end=\"1078\"\u003eDurability:\u003c\/strong\u003e Built with \u003cstrong data-start=\"1090\" data-end=\"1116\"\u003emarine-grade materials\u003c\/strong\u003e tested to Mercury Marine’s OEM standards.\u003c\/li\u003e\n\u003cli data-start=\"1163\" data-end=\"1268\"\u003e\n\u003cstrong data-start=\"1163\" data-end=\"1183\"\u003eEase of Install:\u003c\/strong\u003e Direct-fit components designed for simple installation with \u003cstrong data-start=\"1244\" data-end=\"1265\"\u003ecommon hand tools\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1270\" data-end=\"1273\"\u003e\n\u003ch3 data-start=\"1275\" data-end=\"1312\"\u003e\u003cstrong data-start=\"1279\" data-end=\"1310\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1315\" data-end=\"1376\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/li\u003e\n\u003cli data-start=\"1379\" data-end=\"1446\"\u003eCommon on small fishing boats, pontoons, and light-duty runabouts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1448\" data-end=\"1451\"\u003e\n\u003ch3 data-start=\"1453\" data-end=\"1495\"\u003e\u003cstrong data-start=\"1457\" data-end=\"1493\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1496\" data-end=\"1767\"\u003eThe \u003cstrong data-start=\"1500\" data-end=\"1527\"\u003e821354A2 Water Pump Kit\u003c\/strong\u003e brings your cooling system back to full strength by replacing the components most affected by wear. A new impeller and tight seals help maintain water pressure, keeping your outboard at the right temperature for efficiency and longevity.\u003c\/p\u003e\n\u003cp data-start=\"1769\" data-end=\"2030\"\u003eThe included faceplate and gaskets ensure a leak-free assembly that resists corrosion and heat. Regular pump maintenance with this OEM kit prevents overheating and extends the life of your entire engine — a small job that pays off in reliability every season.\u003c\/p\u003e\n\u003chr data-start=\"2032\" data-end=\"2035\"\u003e\n\u003ch3 data-start=\"2037\" data-end=\"2058\"\u003e\u003cstrong data-start=\"2041\" data-end=\"2056\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2059\" data-end=\"2274\"\u003eMercury’s OEM repair kits are engineered with precision — made for the exact tolerances and materials your engine requires. Aftermarket parts may not fit as tightly or last as long under marine heat and vibration.\u003c\/p\u003e\n\u003cp data-start=\"2276\" data-end=\"2418\"\u003eA \u003cstrong data-start=\"2278\" data-end=\"2316\"\u003egenuine Quicksilver water pump kit\u003c\/strong\u003e guarantees factory-level performance and durability, so you can focus on the water, not your motor.\u003c\/p\u003e\n\u003chr data-start=\"2420\" data-end=\"2423\"\u003e\n\u003ch3 data-start=\"2425\" data-end=\"2438\"\u003e\u003cstrong data-start=\"2429\" data-end=\"2436\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2439\" data-end=\"2573\"\u003e\u003cstrong data-start=\"2439\" data-end=\"2493\"\u003eQ1: What engines fit the Quicksilver 821354A2 kit?\u003c\/strong\u003e\u003cbr data-start=\"2493\" data-end=\"2496\"\u003eA: It fits \u003cstrong data-start=\"2507\" data-end=\"2570\"\u003eMercury and Mariner 25–50HP 2-stroke and 4-stroke outboards\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2575\" data-end=\"2700\"\u003e\u003cstrong data-start=\"2575\" data-end=\"2610\"\u003eQ2: What’s included in the kit?\u003c\/strong\u003e\u003cbr data-start=\"2610\" data-end=\"2613\"\u003eA: The kit contains \u003cstrong data-start=\"2633\" data-end=\"2697\"\u003eimpeller, drive key, faceplate, gaskets, and water tube seal\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2702\" data-end=\"2855\"\u003e\u003cstrong data-start=\"2702\" data-end=\"2752\"\u003eQ3: How often should I replace the water pump?\u003c\/strong\u003e\u003cbr data-start=\"2752\" data-end=\"2755\"\u003eA: Mercury recommends inspecting the impeller annually and replacing the full kit every 2–3 years.\u003c\/p\u003e\n\u003cp data-start=\"2857\" data-end=\"2985\"\u003e\u003cstrong data-start=\"2857\" data-end=\"2889\"\u003eQ4: Can I install it myself?\u003c\/strong\u003e\u003cbr data-start=\"2889\" data-end=\"2892\"\u003eA: Yes. With basic tools and a service manual, most owners can install it in under an hour.\u003c\/p\u003e\n\u003cp data-start=\"2987\" data-end=\"3146\"\u003e\u003cstrong data-start=\"2987\" data-end=\"3033\"\u003eQ5: Why choose OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3033\" data-end=\"3036\"\u003eA: OEM kits fit perfectly, last longer, and use materials tested to handle marine temperatures and pressure.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626559201571,"sku":"821354A2","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/821354a2_main.jpg?v=1760631238","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-water-impeller-repair-kit-fits-40-45-50-hp-four-stroke-821354a2","provider":"PartsVu","version":"1.0","type":"link"}