{"product_id":"dorman-m39958-brake-master-cylinder","title":"Dorman M39958 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Ford and Mercury Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M39958 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Ford and Mercury models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated functionality\u003c\/li\u003e\n\u003cli\u003eEquipped with four outlets for comprehensive brake line connections\u003c\/li\u003e\n\u003cli\u003eRearward outlet sizes: M10 x 1.0 and M16 x 1.5\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameters: M12 x 1.0 and M18 x 1.5\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M39958 master cylinder is crafted from aluminum, providing a lightweight yet robust component that resists corrosion and wear. Its 1-inch bore diameter is designed to match the hydraulic requirements of Ford and Mercury vehicles such as the Cougar, Sable, Taurus, and Thunderbird. The included reservoir and sensor facilitate accurate fluid level monitoring and brake system feedback. With four outlets, this master cylinder supports multiple brake line connections, featuring rearward outlet sizes of M10 x 1.0 and M16 x 1.5, as well as secondary outlet thread diameters of M12 x 1.0 and M18 x 1.5, ensuring compatibility with the vehicle’s brake hydraulics system.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Cougar\u003c\/li\u003e\n\u003cli\u003eFord Sable\u003c\/li\u003e\n\u003cli\u003eFord Taurus\u003c\/li\u003e\n\u003cli\u003eMercury Cougar\u003c\/li\u003e\n\u003cli\u003eMercury Sable\u003c\/li\u003e\n\u003cli\u003eMercury Taurus\u003c\/li\u003e\n\u003cli\u003eMercury Thunderbird\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to internal leaks\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks around the master cylinder area\u003c\/li\u003e\n\u003cli\u003eInconsistent brake pressure affecting stopping performance\u003c\/li\u003e\n\u003cli\u003eWarning lights triggered by faulty brake fluid sensors\u003c\/li\u003e\n\u003cli\u003eBrake system failure caused by worn or damaged master cylinder components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M39958 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, retain or source compatible fasteners for secure installation. Verify outlet thread sizes (M10 x 1.0, M16 x 1.5, M12 x 1.0, M18 x 1.5) to ensure correct brake line fittings. It is recommended to consult the vehicle’s service manual for torque specifications and installation procedures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction offers durability and resistance to corrosion. This product includes a sensor and reservoir to maintain system integrity. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789367640245,"sku":"BKKX-M39958","price":74.04,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39958_Fro.jpg?v=1774997511","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39958-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}