{"product_id":"m-mati-rear-brake-disc-rotor-for-polaris-part-5248250-sus-420-stainless-heat-treated","title":"M MATI Rear Brake Disc Rotor for Polaris (Part 5248250) — SUS 420 Stainless, Heat-Treated","description":"\u003cp\u003e\u003cstrong\u003eM MATI rear brake disc rotor is a direct-fit replacement rotor machined from high-strength SUS 420 stainless steel to restore braking performance on a wide range of Polaris ATVs and UTVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis rotor (Manufacturer Part # 5248250) replaces worn, warped, or damaged rear brake discs on many Polaris vehicles including Ranger, RZR, Sportsman, ACE, GEM, Brutus and others. It’s produced to OEM-style dimensions and heat-treated to resist distortion under repeated braking, giving a dependable, long-lasting stopping surface that works with factory calipers and pads.\u003c\/p\u003e\n\n\u003ch3\u003eWill this rotor fit my Polaris model and year?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers numerous Polaris models and production years; check the exact model\/year list before ordering. The part fits many Ranger, RZR, Sportsman, ACE, GEM, Brutus, Hawkeye, LSV and M1400 applications—see your vehicle’s model and year against the fitment table.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes Ranger 400\/500\/570\/700\/800\/900\/1000 series and Diesel\/EV\/ETX variants.\u003c\/li\u003e\n  \u003cli\u003eCovers RZR 570 and 800, multiple Sportsman and ACE years.\u003c\/li\u003e\n  \u003cli\u003eAlso fits GEM EM1400, Brutus HD series and other specified models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is this rotor built to handle heavy use?\u003c\/h3\u003e\n\u003cp\u003eThe disc is fabricated from SUS 420 stainless steel, then heat-treated to a hardness range that increases resistance to wear and heat-induced warping. That combination yields a durable friction surface and consistent rotor geometry under repeated braking loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSUS 420 stainless construction for corrosion resistance and strength.\u003c\/li\u003e\n  \u003cli\u003eHeat-treated to approximately HRC 34–38 to reduce blade deformation.\u003c\/li\u003e\n  \u003cli\u003eManufactured to OEM-style dimensions for correct caliper alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and maintenance should I expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable removing a wheel and brake caliper; the rotor is designed to mate with stock hubs and hardware. Routine checks for pad wear, rotor surface condition, and fastener torque will keep the brake system functioning reliably.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace with factory-recommended bolts and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eInspect rotor for scoring or runout during pad replacement.\u003c\/li\u003e\n  \u003cli\u003eBreak in new rotors with light stops after installation for best pad seating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty or support comes with the rotor?\u003c\/h3\u003e\n\u003cp\u003eM MATI provides one year of product support for defects or issues reported after purchase. If the rotor shows manufacturing faults within the service window, contact the seller for assistance and resolution.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne-year product service for manufacturing issues.\u003c\/li\u003e\n  \u003cli\u003eContact channel available for replacements or problem resolution.\u003c\/li\u003e\n  \u003cli\u003eSold individually—package includes one brake rotor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This rotor is aimed at Polaris owners, mechanics and fleet operators who need an OEM-dimension replacement part that resists heat and wear. If you maintain or restore off-road vehicles used for work, recreation, or utility tasks and require a robust, direct-fit rear rotor that pairs with factory calipers and pads, this M MATI rotor is designed to meet those needs.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this rotor an exact OEM replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s manufactured to OEM-style dimensions and designed to directly replace Polaris rear rotors with part number 5248250 compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What material and hardness is used in this rotor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Constructed from SUS 420 stainless steel and heat-treated to about HRC 34–38 for improved wear and warp resistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"M MATI","offers":[{"title":"Default Title","offer_id":48084440711326,"sku":"B09KH533G4","price":34.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/m-mati-rotor-front-face.jpg?v=1785855366","url":"https:\/\/northtrailauto.ca\/products\/m-mati-rear-brake-disc-rotor-for-polaris-part-5248250-sus-420-stainless-heat-treated","provider":"North Trail Auto","version":"1.0","type":"link"}