{"product_id":"raybestos-mc391133-brake-master-cylinder","title":"Raybestos MC391133 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Ford Explorer and Mercury Mountaineer\u003c\/h2\u003e\u003cp\u003eThe Raybestos Element3; New Brake Master Cylinder MC391133 is engineered to restore precise brake hydraulics for your Ford Explorer, Explorer Sport Trac, or Mercury Mountaineer. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eFeatures a 1.060-inch bore size for optimal hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eIncludes two mounting holes with a 0.350-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eEquipped with M12x1 primary and secondary port threads for reliable brake line connections\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Specifications and Product Line Information\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder, part number MC391133, is part of the Raybestos Element3; New product line, which focuses on delivering precise hydraulic components with enhanced durability and fitment accuracy. The aluminum master cylinder material reduces weight while resisting corrosion, contributing to long-term reliability. The 1.060-inch bore size is calibrated to maintain proper brake fluid pressure, essential for safe braking response. The two mounting holes, each with a 0.350-inch diameter, ensure a secure and stable fit on compatible vehicles. Both primary and secondary ports use M12x1 threading, facilitating straightforward brake line attachment and maintenance.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake hydraulic pressure for Ford Explorer and Mercury Mountaineer brake systems\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eSolves brake fluid leaks from damaged or corroded master cylinder bodies\u003c\/li\u003e\n\u003cli\u003eAddresses inconsistent brake pedal feel due to internal seal failure\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system responsiveness and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Raybestos MC391133 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the specified 0.350-inch diameter mounting holes for proper bolt fitment. Verify that the M12x1 threaded ports match the brake line fittings to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore full hydraulic pressure. Follow manufacturer torque specifications to prevent damage to the aluminum housing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos Element3; New brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details for part number MC391133 should be confirmed at the point of purchase, Raybestos typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44427936858293,"sku":"BDBL-MC391133","price":107.47,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_MC391133_Fro.jpg?v=1775018938","url":"https:\/\/www.partcatalog.com\/products\/raybestos-mc391133-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}