{"product_id":"vertex-821944-water-pump-rebuild-kit-yamaha-yfz450r-yfz450x-moto-house-mx","title":"Vertex Water Pump Rebuild Kit 821944 — Yamaha YFZ450R \/ YFZ450X 2009-2025","description":"\u003cdiv\u003e\n\u003ch1\u003e\u003cstrong\u003eVertex Water Pump Rebuild Kit 821944 — Yamaha YFZ450R \/ YFZ450X 2009-2025\u003c\/strong\u003e\u003c\/h1\u003e\n\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eKeep your engine running cool and reliable with the \u003cstrong\u003eVertex Water Pump Rebuild Kit (821944)\u003c\/strong\u003e. Designed specifically for Yamaha YFZ450R and YFZ450X ATV models, this comprehensive kit includes every component needed to perform a professional-grade \u003cstrong\u003ewater pump overhaul\u003c\/strong\u003e and restore your cooling system to factory specifications.\u003c\/p\u003e\n\u003cp\u003eEach kit is engineered for durability and precision, featuring high-quality bearings, mechanical water pump seals, and essential gaskets to prevent leaks and ensure optimal coolant circulation. Whether you are performing routine preventative maintenance or addressing a cooling system failure, this Vertex kit provides the reliable components required to get back on the track or trail with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eTop Features: Vertex Water Pump Rebuild Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll-In-One Kit:\u003c\/strong\u003e Includes required bearings, mechanical water pump seals, rubber seals, and snap rings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Gasket Set:\u003c\/strong\u003e Comes with high-quality side cover and water pump gaskets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Standards:\u003c\/strong\u003e Built to meet or exceed original equipment performance requirements for a perfect fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Components:\u003c\/strong\u003e Includes essential hardware like copper drain washers to ensure a leak-free installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePlease review the detailed compatibility data below to ensure an exact fitment match for your ATV before finalizing your purchase.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFitment List\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #e0e0e0; margin-top: 15px; margin-bottom: 15px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f7f7f7;\"\u003e\n\u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eYear Range\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eVehicle Brand\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #e0e0e0; padding: 12px; text-align: left; font-weight: bold; color: #333333;\"\u003eVehicle Model \u0026amp; Sub-Model\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003e2010-2011\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eYFZ450X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003e2009-2025\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eYamaha\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #e0e0e0; padding: 10px; color: #555555;\"\u003eYFZ450R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is a special tool required to install the mechanical seal?\u003c\/strong\u003e\u003cbr\u003e\nA: While professional tools are recommended, careful installation using a clean socket or seal driver of the correct diameter is essential to prevent damage to the seal face.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this kit include coolant?\u003c\/strong\u003e\u003cbr\u003e\nA: No, this kit includes the mechanical parts only. We recommend flushing your system and refilling with a high-quality powersports-specific coolant after the repair.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eExpert Pro-Tip:\u003c\/strong\u003e When installing a new mechanical water pump seal, keep the mating surfaces absolutely clean. Even a fingerprint or a tiny speck of debris on the ceramic seal face can cause a premature coolant leak. Always use a lint-free cloth and inspect under good lighting before assembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecommended Pairings:\u003c\/strong\u003e\u003cbr\u003e\no    \u003ca href=\"https:\/\/motohousemx.com\/collections\/yamaha-yfz450-performance-motocross-sport-quads-atv-moto-house-mx\"\u003eYamaha YFZ450 Performance Parts \u0026amp; Upgrades\u003c\/a\u003e\u003cbr\u003e\no    \u003ca href=\"https:\/\/motohousemx.com\/collections\/2-stroke-performance-quads-atv\"\u003eGeneral ATV\/UTV Maintenance Supplies\u003c\/a\u003e\u003cbr\u003e\no    \u003ca href=\"https:\/\/motohousemx.com\/collections\/mx-off-road-motorcycle-tools\"\u003ePro-Grade Shop Tools \u0026amp; Torque Wrenches\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eAt Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. Every order ships fast from our Central Florida location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eMoto-House MX – Choice of Champions\u003c\/strong\u003e – Clermont \/ Montverde, FL. Central Florida's premier powersports source with lightning-fast worldwide shipping.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Vertex Water Pump Rebuild Kit 821944\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Vertex\"\n  },\n  \"sku\": \"821944\",\n  \"description\": \"Complete water pump rebuild kit for Yamaha YFZ450R and YFZ450X ATVs. Includes bearings, seals, gaskets, and snap rings to restore cooling system performance.\"\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"VERTEX","offers":[{"title":"Default Title","offer_id":45717190246483,"sku":"821944","price":55.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1754\/5421\/files\/dc6c-5de7e94b757a2.jpg?v=1781837383","url":"https:\/\/motohousemx.com\/products\/vertex-821944-water-pump-rebuild-kit-yamaha-yfz450r-yfz450x-moto-house-mx","provider":"Moto-House MX","version":"1.0","type":"link"}