{"product_id":"dorman-m39637-brake-master-cylinder","title":"Dorman M39637 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Ford Mustang and Mercury Cougar\u003c\/h2\u003e\u003cp\u003eThe Dorman M39637 brake master cylinder is engineered to restore proper brake hydraulics in select Ford and Mercury vehicles. Designed specifically for models like the Mustang, Cougar, and Thunderbird, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for complete brake system integration\u003c\/li\u003e\n\u003cli\u003eFeatures a 1-3\/16 inch and 21 mm bore diameter for precise hydraulic control\u003c\/li\u003e\n\u003cli\u003eEquipped with three outlets to support complex brake line configurations\u003c\/li\u003e\n\u003cli\u003eRearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0 with 1.0 thread pitch\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder assembly; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Dorman M39637 brake master cylinder is designed with an aluminum body to provide strength and resist corrosion over time. It includes a reservoir and sensor, which are essential for monitoring brake fluid levels and ensuring system safety. The bore diameter of 1-3\/16 inches (21 mm) allows for accurate hydraulic pressure generation, critical for effective braking performance. With three outlets, this master cylinder supports multiple brake line connections, accommodating the hydraulic needs of Ford Mustang, Mercury Cougar, and Thunderbird models. The rearward outlet and secondary outlet thread sizes (M10 x 1.0 and M12 x 1.0 respectively) ensure compatibility with factory brake lines and fittings.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Resolution\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Mustang\u003c\/li\u003e\n\u003cli\u003eMercury Cougar\u003c\/li\u003e\n\u003cli\u003eFord Thunderbird\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to address common brake system issues such as:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to internal leaks\u003c\/li\u003e\n\u003cli\u003eLoss of hydraulic pressure affecting braking efficiency\u003c\/li\u003e\n\u003cli\u003eBrake fluid contamination or reservoir damage\u003c\/li\u003e\n\u003cli\u003eSensor failure impacting brake fluid level monitoring\u003c\/li\u003e\n\u003cli\u003eWear and corrosion in the master cylinder bore\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M39637 brake master cylinder requires careful attention to brake line connections and proper bleeding of the brake system to remove air. Since mounting hardware is not included, reuse existing hardware or source compatible fasteners. Verify thread sizes (M10 x 1.0 and M12 x 1.0) to ensure proper fitment of brake lines. It is recommended to inspect all brake components during installation and replace any worn or damaged parts to maintain system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and included sensor and reservoir contribute to long-term reliability. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics products. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789346537653,"sku":"BKKX-M39637","price":75.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39637_Fro.jpg?v=1774997489","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39637-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}