{"product_id":"water-pump-impeller-45-mm-by-polaris-5138875","title":"Water Pump Impeller 45mm by Polaris","description":"\u003cstyle\u003e\n:root {\n--wd-radius: 12px;\n--wd-border: rgba(0, 0, 0, .12);\n--wd-soft: rgba(0, 0, 0, .04);\n}\n\n.wd-post {\nmax-width: 1200px;\nmargin: 0 auto;\nline-height: 1.7;\nfont-family: Arial, Helvetica, sans-serif;\n}\n\n.wd-post a {\ntext-decoration: underline;\ntext-underline-offset: 2px;\n}\n\n.wd-cta {\nmargin: 14px 0;\n}\n\n.wd-btn {\ndisplay: inline-block;\npadding: 10px 14px;\nborder: 1px solid var(--wd-border);\nborder-radius: 12px;\nbackground: #fff;\ntext-decoration: none;\n}\n\n.wd-btn:hover {\nborder-color: #0ea5e9;\nbox-shadow: 0 0 0 3px rgba(14, 165, 233, .2);\n}\n\n.wd-note {\nmargin: 14px 0;\npadding: 12px 14px;\nborder: 1px solid var(--wd-border);\nborder-radius: 12px;\nbackground: var(--wd-soft);\n}\n\n.blog-fig {\ntext-align: center;\nmargin: 18px auto;\n}\n\n.blog-img {\nmax-width: 100%;\nheight: auto;\nborder-radius: 12px;\ndisplay: block;\nmargin: 0 auto;\n}\n\n.wd-table-wrap {\noverflow-x: auto;\nmargin: 14px 0;\nborder: 1px solid var(--wd-border);\nborder-radius: 12px;\n}\n\n.wd-table {\nwidth: 100%;\nborder-collapse: collapse;\nmin-width: 720px;\n}\n\n.wd-table th,\n.wd-table td {\npadding: 12px;\nborder-bottom: 1px solid rgba(0, 0, 0, .10);\ntext-align: left;\nvertical-align: top;\n}\n\n.wd-table th {\nbackground: var(--wd-soft);\nposition: sticky;\ntop: 0;\nz-index: 1;\n}\n\n.wd-post ul,\n.wd-post ol {\nmargin: 10px 0;\npadding-left: 1.2rem;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"wd-post\"\u003e\n\u003ch2\u003eGenuine Polaris UTV \/ ATV and Side by Side OEM Water Pumps and Components - Available at buywitchdoctors.com\u003c\/h2\u003e\n\u003ch3\u003eProduct Specifications: Genuine OEM Polaris Water Pump Impeller 45mm , Part # 5138875.\u003c\/h3\u003e\n\u003ch3\u003eEngineered for Maximum Cooling Efficiency\u003c\/h3\u003e\n\u003cp\u003eYour cooling system is the only thing standing between a successful ride and a catastrophic engine failure. The water pump is the heart of this system, responsible for circulating coolant through the engine block and radiator. Because Polaris high-output engines operate under extreme conditions—including mud-clogged radiators, high-RPM technical climbs, and desert heat—having a reliable, factory-spec water pump is non-negotiable.\u003c\/p\u003e\n\u003cp\u003eThese \u003ca rel=\"noopener\" title=\"Direct link to Polaris OEM water pumps and components available at buywitchdoctors.com.\" href=\"https:\/\/buywitchdoctors.com\/collections\/find-all-polaris-off-road-utv-atv-parts?Shop-By\/OEM\/product_type\/Water-Pumps-Components\/vendor\/Polaris\" target=\"_blank\"\u003e\u003cstrong\u003ePolaris UTV\/ATV OEM water pumps and components\u003c\/strong\u003e\u003c\/a\u003e are designed to meet the exact flow rates and pressure requirements of your ProStar or Turbo engine. Choosing Genuine OEM ensures that every seal, impeller, and shaft meets the strict tolerances required to prevent leaks and maintain thermal stability.\u003c\/p\u003e\n\u003ch3\u003eBenefits of Genuine Polaris Cooling Components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Machined Impellers:\u003c\/strong\u003e Designed to move the maximum volume of coolant without cavitating, even at high engine speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Mechanical Seals:\u003c\/strong\u003e OEM seals are built to withstand the abrasive nature of off-road grit and sand that can prematurely wear out aftermarket versions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Housing Alignment:\u003c\/strong\u003e Eliminates the risk of \"weep hole\" leaks caused by the slight casting imperfections often found in budget-tier replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Durability:\u003c\/strong\u003e Materials are tested to resist warping or degrading when exposed to the extreme heat cycles common in UTV and ATV racing or heavy utility work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePopular Water Pump Parts \u0026amp; Accessories\u003c\/h3\u003e\n\u003cp\u003eA complete cooling system service often requires more than just the pump itself. Find these essential components at Witchdoctors.com:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Water%20Pump%20Rebuild%20Kit\/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 Includes seals, O-rings, and bearings for a full refresh.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Seals:\u003c\/strong\u003e The primary defense against coolant mixing with engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/buywitchdoctors.com\/pages\/search?Shop-By\/Aftermarket\/Shop-By\/OEM\/product_type\/Water-Pumps-Components\" title=\"Direct link to Polaris water pump impellers available at buywitchdoctors.com.\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eReplacement Impellers:\u003c\/strong\u003e\u003c\/a\u003e Restore flow efficiency lost to erosion or debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRadiator Hoses \/ Lines:\u003c\/strong\u003e Heavy-duty silicone or reinforced rubber options.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"Direct link to UTV\/ATV coolants available at buywitchdoctors.com.\" href=\"https:\/\/buywitchdoctors.com\/collections\/utv-oil-atv?product_type\/Coolant\" target=\"_blank\"\u003e\u003cstrong\u003ePolaris 50\/50 Premixed Coolant:\u003c\/strong\u003e\u003c\/a\u003e The specific formula required to protect OEM seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/utv-cooling-systems?product_type\/Thermostats-Components\/vendor\/Polaris\" target=\"_blank\" title=\"Direct Link to all Polaris OEM Thermostats \u0026amp; Components sold at buywitchdoctors.com\" rel=\"noopener\"\u003eThermostats \u0026amp; Components\u003c\/a\u003e:\u003c\/strong\u003e Ensure your cooling system opens and closes at the correct factory temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSupported Polaris UTV and ATV Models (2015-Current)\u003c\/h3\u003e\n\u003cp\u003eThis range of OEM water pumps and components is engineered for the following Polaris machines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/polaris-rzr-oem-and-aftermarket-parts\" target=\"_blank\" title=\"Direct Link to all Polaris RZR OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003ePolaris RZR Series\u003c\/a\u003e: \u003c\/strong\u003e900, XP 1000, Turbo, Pro XP, Pro R, and RS1.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/polaris-ranger-parts\" target=\"_blank\" title=\"Direct Link to all Polaris Ranger OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003ePolaris Ranger Series\u003c\/a\u003e: \u003c\/strong\u003e500, 570, XP 900, XP 1000, and Crew.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/polaris-general-parts\" target=\"_blank\" title=\"Direct Link to all Polaris General OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003ePolaris General Series\u003c\/a\u003e: \u003c\/strong\u003e1000 and XP 1000.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/all-polaris-sportsman-atv-aftermarket-oem-parts\" target=\"_blank\" title=\"Direct Link to all Polaris Sportsman OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003ePolaris Sportsman ATV Series\u003c\/a\u003e: \u003c\/strong\u003e450, 570, 850, and XP 1000.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/all-polaris-ace-atv-aftermarket-oem-parts\" target=\"_blank\" title=\"Direct Link to all Polaris ACE OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003ePolaris ACE Series\u003c\/a\u003e: \u003c\/strong\u003e500, 570, and 900.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/polaris-xpedition-parts\" target=\"_blank\" title=\"Direct Link to all Polaris Xpedition OEM \u0026amp; Aftermarket Parts and Accessories Available at Buywitchdoctors.com\" rel=\"noopener\"\u003ePolaris Xpedition Series\u003c\/a\u003e: \u003c\/strong\u003eXP, ADV.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"wd-note\"\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e ⚠️ Always check your owner’s manual or the fitment tab on \u003cstrong\u003ewitchdoctors.com\u003c\/strong\u003e to make sure this part fits your specific year, make, and model before ordering.\u003c\/div\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the signs of a failing Polaris water pump?\u003c\/strong\u003e Common symptoms include coolant leaking from the weep hole on the side of the engine, a grinding noise coming from the pump area, or the engine temperature gauge rapidly climbing into the red zone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I replace the mechanical seal when I replace the impeller?\u003c\/strong\u003e Yes. Whenever the water pump is disassembled, it is a best practice to replace the mechanical seal and any associated O-rings to ensure a leak-free transition and prevent oil contamination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use automotive coolant in my Polaris?\u003c\/strong\u003e We strongly recommend using Polaris-specific coolant. Many automotive coolants contain silicates that can act as an abrasive, damaging the delicate mechanical seals in powersports water pumps.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eTECH TIP:\u003c\/strong\u003e\u003c\/span\u003e \u003ca href=\"https:\/\/buywitchdoctors.com\/blogs\/news\/polaris-tech-tip-how-to-inspect-your-polaris-utv-atv-water-pump\" target=\"_blank\" title=\"Direct link to buywitchdoctors.com. Tech Tip: How to Inspect Your Polaris UTV\/ATV Water Pump\" rel=\"noopener\"\u003eLearn How to Inspect Your Polaris UTV\/ATV Water Pump Weep Hole.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eProtect Your Investment\u003c\/h3\u003e\n\u003cp\u003eDon't let a simple seal or pump failure lead to a multi-thousand dollar engine rebuild. By using Genuine Polaris cooling components, you ensure your machine stays within safe operating temperatures from the first mile to the last.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder your \u003ca href=\"https:\/\/buywitchdoctors.com\/collections\/find-all-polaris-off-road-utv-atv-parts?Shop-By\/OEM\/product_type\/Water-Pumps-Components\/vendor\/Polaris\" title=\"Direct link to Polaris OEM water pumps and components available at buywitchdoctors.com.\" rel=\"noopener\" target=\"_blank\"\u003eGenuine Polaris UTV\/ATV OEM water pumps and components\u003c\/a\u003e from Witchdoctors.com today and keep your engine running cool!\u003c\/strong\u003e\u003c\/p\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\u003cstrong\u003e\u003ca href=\"https:\/\/sabinepark.com\/\" target=\"_blank\" title=\"Direct Link to rules, regulations and Information on riding your UTV or ATV in Sabine atv park in Texas\" rel=\"noopener\"\u003eSabine UTV\/ATV Park\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/parksandrecreation.idaho.gov\/park-activity\/atvs-utvs-motorbikes\/\" target=\"_blank\" title=\"Direct Link to rules, regulations and Information on riding your UTV or ATV in Hatfield-McCoy Trails in Idaho\" rel=\"noopener\"\u003eLook Here in Idaho\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/wvtourism.com\/things-to-do\/outdoor-adventures\/atv-off-roading\/\" target=\"_blank\" title=\"Direct Link to rules, regulations and Information on riding your UTV or ATV in West Virginia\" rel=\"noopener\"\u003eLook Here in West Virginia\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/toptrails.net\/\" target=\"_blank\" title=\"Direct Link to rules, regulations and Information on riding your UTV or ATV in Alabama Top trails\" rel=\"noopener\"\u003eLook Here in Alabama\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/dnr.maryland.gov\/publiclands\/pages\/western\/wolf-den-run.aspx\" target=\"_blank\" title=\"Direct Link to rules, regulations and Information on riding your UTV or ATV in Maryland Wolf Den Run State Park\" rel=\"noopener\"\u003eLook Here in Maryland\u003c\/a\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Rollin Fast","offers":[{"title":"Default Title","offer_id":41657619021886,"sku":"5138875","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/2502\/5349\/files\/5138875_alt4.jpg?v=1774542780","url":"https:\/\/buywitchdoctors.com\/products\/water-pump-impeller-45-mm-by-polaris-5138875","provider":"Witchdoctors","version":"1.0","type":"link"}