{"product_id":"impeller-shaft-gear-by-yamaha-8es-12459-01-00","title":"Impeller Shaft Gear by Yamaha","description":"\u003cdiv style=\"font-family: Arial; font-size: 12pt;\"\u003e\n\u003ch2\u003eYamaha UTV\/ATV \u0026amp; Side by Side Water Pumps \u0026amp; Parts - Available at buywitchdoctors.com\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications: Genuine OEM Yamaha Impeller Shaft Gear, Part # 8ES-12459-01-00.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eKeep your machine running like new with a genuine Yamaha Water Pump or Part paired with premium maintenance parts from buywitchdoctors.com. The water pump circulates coolant between the engine and radiator, pulling heat away from critical components so your engine holds a steady operating temperature. A healthy pump protects against overheating, warped components, and costly engine damage, especially during slow crawls, heavy towing, and hot-weather rides. Riders most often replace water pumps and parts after coolant leaks at the weep hole or seals, a whining or grinding bearing noise, overheating or rising temperature readings, or milky or contaminated coolant.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose Genuine OEM Yamaha Parts?\u003c\/h3\u003e\n\u003cp\u003eChoosing original equipment manufacturer (OEM) parts ensures your vehicle maintains its factory-standard performance, reliability, and fuel efficiency. Genuine parts eliminate the guesswork of aftermarket alternatives, offering a seamless integration with your engine's configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact-Fit Design:\u003c\/strong\u003e Matched to Yamaha's original bolt patterns, sealing surfaces, and dimensions for a leak-resistant fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Spec Quality:\u003c\/strong\u003e Built to the same standards as the parts installed on your machine at the factory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeace of Mind:\u003c\/strong\u003e Skip the trial and error of universal or aftermarket parts that may not seal or align correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePremium Materials \u0026amp; Precision Engineering\u003c\/h3\u003e\n\u003cp\u003eCrafted to strict factory tolerances, these components utilize high-grade alloys and chemical-resistant seals. This specialized engineering withstands harsh off-road vibrations, extreme temperatures, and modern fuel additives, preventing premature wear and leaks. Water pump impellers, shafts, bearings, and mechanical seals are precisely matched to work together, moving coolant efficiently while resisting corrosion, cavitation, and seal leakage over long service intervals.\u003c\/p\u003e\n\u003ch3\u003eComprehensive Model Fitment (2015-Current)\u003c\/h3\u003e\n\u003cp\u003eThis genuine OEM part is engineered for a wide range of Yamaha side-by-side (SxS) and all-terrain vehicles (ATV) built from 2015 to the current model year. Please verify your series matches below:\u003c\/p\u003e\n\u003ch3\u003eUtility Task Vehicles (UTVs \/ Side-by-Sides)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-viking-parts\" target=\"_blank\" title=\"Direct Link to all Viking Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eViking Series\u003c\/a\u003e:\u003c\/strong\u003e Viking 700 EPS, Viking 700 Ranch Edition, Viking VI EPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-wolverine-parts\" target=\"_blank\" title=\"Direct Link to all Wolverine Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eWolverine Series\u003c\/a\u003e:\u003c\/strong\u003e Wolverine R-Spec, Wolverine X2 850, Wolverine X4 850, Wolverine X2 1000, Wolverine RMAX2 1000 (Sport, XT-R, Limited), Wolverine RMAX4 1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yxz-parts\" target=\"_blank\" title=\"Direct Link to all YXZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYXZ Series\u003c\/a\u003e:\u003c\/strong\u003e YXZ1000R, YXZ1000R SS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAll-Terrain Vehicles (ATVs)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-yfz-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all YFZ Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eYFZ Series\u003c\/a\u003e: \u003c\/strong\u003eYFZ50\u003cstrong\u003e, \u003c\/strong\u003eYFZ450R, YFZ450R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-raptor-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Raptor Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eRaptor Series\u003c\/a\u003e:\u003c\/strong\u003e Raptor 90, Raptor 110, Raptor 700, Raptor 700R, Raptor 700R SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-grizzly-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Grizzly Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eGrizzly Series\u003c\/a\u003e:\u003c\/strong\u003e Grizzly 90, Grizzly 110, Grizzly 700 EPS, Grizzly 700 SE, Grizzly 700 XT-R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/yamaha-kodiak-parts-and-accessories\" target=\"_blank\" title=\"Direct Link to all Kodiak Series OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003eKodiak Series\u003c\/a\u003e:\u003c\/strong\u003e Kodiak 450, Kodiak 450 EPS, Kodiak 700, Kodiak 700 EPS, Kodiak 700 SE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e⚠️ \u003cstrong\u003eIMPORTANT DISCLAIMER:\u003c\/strong\u003e Fitment can vary by production date and sub-model trim. Always verify your exact original equipment part number from your vehicle's schematic or consult a certified technician before finalizing your purchase to guarantee flawless compatibility.\u003c\/p\u003e\n\u003ch3\u003eOther Popular Parts \u0026amp; Secondary Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Water-Pump-Rebuild-Kit\/Shop-By\/Aftermarket\" target=\"_blank\" title=\"Direct Link to All Aftermarket Water Pump Rebuild Kit Sold At Buywitchdoctors.com\" rel=\"noopener\"\u003eWater Pump Rebuild Kits\u003c\/a\u003e:\u003c\/strong\u003e Rebuild kits bundle the seals, bearings, and related wear items needed to refresh a worn water pump without replacing the whole assembly. If your pump housing and impeller are still in good shape, a kit can restore leak-free operation and save you money.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-oil-atv?product_type\/Coolant\/Shop-By\/Aftermarket\" target=\"_blank\" title=\"Direct Link to All Aftermarket Coolant Sold At Buywitchdoctors.com\" rel=\"noopener\"\u003eCoolants\u003c\/a\u003e:\u003c\/strong\u003e Fresh coolant carries heat away from the engine while protecting internal passages from corrosion and scale. Refilling with new coolant after a water pump replacement helps protect your new pump's seals and keeps the system running clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Radiators-Components\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Radiators \u0026amp; Components sold at buywitchdoctors.com\" rel=\"noopener\"\u003eRadiators \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e The radiator releases the heat your water pump carries out of the engine, and its caps, fans, and mounting components keep the system sealed and cooling efficiently. Inspect for bent fins, clogs, or a weak cap when you replace your pump so the whole cooling system works together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Radiator-Hose-Line\/vendor\/Yamaha\" target=\"_blank\" title=\"Direct Link to all Yamaha OEM Radiator Hose \/ Line sold at buywitchdoctors.com\" rel=\"noopener\"\u003eRadiator Hose \/ Line\u003c\/a\u003e:\u003c\/strong\u003e Radiator hoses and lines connect the engine, water pump, and radiator so coolant can circulate freely. Aged, soft, or cracked hoses can leak or collapse under heat, so replacing them with your pump helps prevent overheating and roadside surprises.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQs)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if my Yamaha water pump needs to be replaced or rebuilt?\u003c\/strong\u003e\u003cbr\u003eA: Common signs include coolant seeping from the pump's weep hole or seal area, a grinding or whining noise from the bearing, overheating, low coolant levels with no other visible leak, or coolant mixed with engine oil. Before replacing the pump, check for a leaking hose, a faulty radiator cap, or a stuck fan, since those issues can look like pump failure. For proper inspection steps and the correct pump or components for your model, consult the Yamaha service manual or factory schematic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do mud, water, sand, and heat affect my water pump and cooling system?\u003c\/strong\u003e\u003cbr\u003eA: Packed mud and debris can block radiator airflow, while sand can wear seals and clog fins, making the water pump work harder and the engine run hotter. Extended slow riding in high heat adds even more strain on the cooling system. After tough rides, rinse the radiator and surrounding area gently, check coolant level when the engine is cool, and watch for leaks or unusual noises. Refer to the Yamaha service manual or factory schematic for the correct coolant type, bleeding procedure, and installation guidance for your model.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP: \u003c\/span\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/yamaha-oem-vs-aftermarket-parts-comparison\" title=\"Direct link to Buywitchdoctors.com blog about Yamaha OEM vs. Aftermarket Parts: Are Factory Components Best for Your Trail Riding?\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"color: blue;\"\u003eLearn More about Yamaha OEM vs. Aftermarket Parts\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-top: auto; margin-bottom: auto; line-height: normal;\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e \u003c\/span\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/signs-of-bad-utv-water-pump-replacement-guide\" title=\"Direct link to Buywitchdoctors.com blog about Signs of a Bad UTV Water Pump: How to Diagnose, Test, and Replace Your Cooling System\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin; color: blue;\"\u003eSigns of a Bad UTV Water Pump: How to Diagnose, Test, and Replace\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003cspan style=\"mso-fareast-font-family: 'Times New Roman'; mso-bidi-font-family: Calibri; mso-bidi-theme-font: minor-latin;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP: \u003c\/span\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/why-utv-coolant-overflow-tank-bubbling-boiling-over\" title=\"Direct link to Buywitchdoctors.com blog about Why Is My Coolant Tank Bubbling, Boiling Over, or Spitting Out Fluid?\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan style=\"color: blue;\"\u003eWhy Is My Coolant Tank Bubbling, Boiling Over, or Spitting Out Fluid?\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e \u003c\/b\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/upper-radiator-hose-hot-lower-hose-cold-utv-atv\" title=\"Direct link to Buywitchdoctors.com blog about UTV\/ATV Cooling Issues Explained\" rel=\"noopener\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan style=\"color: blue;\"\u003eUTV\/ATV Cooling Issues Explained.\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal;\"\u003e\u003cb\u003e\u003cspan style=\"color: #ff2a00;\"\u003ePRO TIP:\u003c\/span\u003e\u003c\/b\u003e \u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/how-to-test-your-brake-fluid-and-coolant-a-60-second-safety-check\" title=\"Direct link to buywitchdoctors.com blog on How to Test Your UTV, Motorcycle or ATV Brake Fluid\" target=\"_blank\"\u003e\u003cb\u003e\u003cspan style=\"color: blue;\"\u003eLearn How to Test Your UTV, Motorcycle or ATV Coolant.\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cstrong\u003eUpgrade Your Ride's Cooling System Performance Today\u003c\/strong\u003e\u003cbr\u003eA reliable water pump keeps coolant moving so your engine stays cool through steep climbs, deep mud, and long summer days on the trail. Pair it with a water pump rebuild kit, fresh coolant, radiator and components, and radiator hoses to give your entire cooling system the protection it needs. Order your genuine Yamaha replacement components today from \u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/find-all-yamaha-off-road-utv-atv-parts?Shop-By\/OEM\" title=\"Direct Link to the Collection of All Yamaha OEM ATV \u0026amp; UTV Parts \u0026amp; Accessories Available at BuyWitchdoctors.com.\" rel=\"noopener\" target=\"_blank\"\u003ebuywitchdoctors.com\u003c\/a\u003e and experience top-tier off-road performance!\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003eAre You Looking to Find Great Places \u0026amp; Adventurous Trails to Ride Your UTV, Side by Side or ATV? Check out these highly recommended places:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/northernoutdoors.com\" title=\"Direct Link to Northern Outdoors ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eNorthern Outdoors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.blm.gov\/visit\/imperial-sand-dunes\" title=\"Direct Link to Imperial Sand Dunes ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eImperial Sand Dunes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/blm.gov\/visit\/johnson-valley-ohv-area\" title=\"Direct Link to Johnson Valley ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eJohnson Valley OHV Area\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/mycountyparks.com\" title=\"Direct Link to Gypsum City ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eGypsum City OHV Park\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leatherwoodoffroad.com\" title=\"Direct Link to Leatherwood ATV\/UTV Park\" rel=\"noopener\" target=\"_blank\"\u003eLeatherwood Off-Road Park\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Off Road Express","offers":[{"title":"Default Title","offer_id":41655477338174,"sku":"8ES-12459-01-00","price":86.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/2502\/5349\/files\/Yamaha_OEM-Part-Number_8ES-12459-01-00_ca135e5a-4e28-4f6f-81ca-847f9419cd4b.png?v=1772561417","url":"https:\/\/buywitchdoctors.com\/products\/impeller-shaft-gear-by-yamaha-8es-12459-01-00","provider":"Witchdoctors","version":"1.0","type":"link"}