{"product_id":"m-mati-front-left-brake-master-cylinder-for-polaris-atvs-direct-fit-2050078-oem-spec-replacement","title":"M MATI Front Left Brake Master Cylinder for Polaris ATVs — Direct-Fit 2050078 OEM-Spec Replacement","description":"\u003cstrong\u003eHigh-quality front left brake master cylinder engineered to replace Polaris part #2050078 and restore dependable braking performance on compatible Polaris ATVs.\u003c\/strong\u003e\n\n\u003cp\u003eThis M MATI brake master cylinder assembly is a direct-fit replacement manufactured to OEM specifications for Polaris ATVs listed with part numbers 2050078, 2050072 and 5131146. Designed as a complete assembly, it arrives boxed and ready to install, built from durable materials with precise machining to deliver consistent hydraulic pressure and extended service life. The unit suits many Polaris models from the mid-1990s through 2001, including Sportsman, Magnum, Xplorer, Xpress, Big Boss, Diesel, Worker and Xpedition series.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Polaris models does this master cylinder fit?\u003c\/h3\u003e\n\u003cp\u003eThis assembly was matched to the factory fitment list used by Polaris and covers a wide range of model years. Confirm compatibility by cross-referencing your vehicle’s model and year with the list below before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSportsman 335 (1999–2000), Sportsman 500 (1996–2001 including RSE and 6X6 variants)\u003c\/li\u003e\n  \u003cli\u003eMagnum 325 \u0026amp; 500 models (2000 and 1999–2000 respectively)\u003c\/li\u003e\n  \u003cli\u003eXplorer 300\/400\/500, Xpress 300\/400, Xpedition 325\/425, Worker 335\/500, Big Boss 500 and Diesel 455\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement match the original Polaris part?\u003c\/h3\u003e\n\u003cp\u003eM MATI produces this brake master cylinder as an OEM-specification replica, meaning dimensions, mounting points and hydraulic connections mirror the factory unit. The manufacturing process uses precision tooling to ensure correct sealing surfaces and piston fit for reliable pressure delivery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufacturer Part #: 2050078; Replacement Part#: 2050072, 5131146\u003c\/li\u003e\n  \u003cli\u003eMachined bores and compatible hydraulic fittings for direct swap-in\u003c\/li\u003e\n  \u003cli\u003eSupplied as a complete assembly—no separate reservoir or fittings required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard brake master cylinder replacement procedures: remove the old unit, transfer any reusable hardware, mount the new assembly, bleed the system and check for leaks. Basic hand tools and knowledge of hydraulic brake bleeding are required; professional installation is recommended if you’re not comfortable working on braking systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eArrives boxed with one brake master cylinder assembly per package\u003c\/li\u003e\n  \u003cli\u003eRequires brake fluid flushing and bleeding after install\u003c\/li\u003e\n  \u003cli\u003eInspect hoses, fittings and mounting hardware for wear when replacing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features are included?\u003c\/h3\u003e\n\u003cp\u003eThe assembly is built from corrosion-resistant metals and engineered seals to withstand typical ATV operating conditions. M MATI emphasizes material selection and precision manufacture to deliver a part that holds pressure and resists premature wear under normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable construction to resist contamination and corrosion\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined piston bore for consistent hydraulic response\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet OEM fit and function expectations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Owners and mechanics who need a dependable front left brake master cylinder replacement for compatible Polaris ATVs—especially those restoring older machines or returning a vehicle to safe, street-legal and trail-ready operation. This product is appropriate for DIYers comfortable with brake system maintenance and for professional shops seeking an OEM-spec alternative to Polaris part #2050078.\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 part an exact fit for Polaris part #2050078?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this M MATI assembly is built to OEM specifications to match Polaris part #2050078 and replacement numbers 2050072 and 5131146.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to bleed the brakes after installing this master cylinder?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. After installation you must flush and bleed the brake system to remove air and ensure proper hydraulic function.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"M MATI","offers":[{"title":"Default Title","offer_id":67591398391993,"sku":"B094PTRDQX","price":62.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/m-mati-front-left-master-cylinder-front-view.jpg?v=1790549507","url":"https:\/\/redleafauto.ca\/products\/m-mati-front-left-brake-master-cylinder-for-polaris-atvs-direct-fit-2050078-oem-spec-replacement","provider":"Redleaf Auto","version":"1.0","type":"link"}