{"product_id":"dorman-m71285-brake-master-cylinder","title":"Dorman M71285 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet and GMC Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M71285 brake master cylinder is designed to restore proper brake hydraulics in select Chevrolet and GMC models. Engineered with a durable cast iron body and a built-in reservoir, this master cylinder ensures consistent brake fluid delivery for safe and effective braking performance.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M71285 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1.125 inches for precise hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from cast iron for long-lasting durability\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with a secondary outlet thread diameter of 0.5 inches\u003c\/li\u003e\n\u003cli\u003eRearward outlet size of 9\/16-18 for secure brake line connections\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M71285 brake master cylinder is specifically designed for use in Chevrolet and GMC vehicles such as the Bel Air, Blazer, C10 Suburban, Camaro, Caprice, Impala, Jimmy, K10 Suburban, and Malibu. Its cast iron construction provides strength and resistance to wear, while the 1.125-inch bore diameter ensures proper hydraulic pressure for effective braking. The included reservoir simplifies installation and maintenance by housing the brake fluid directly on the master cylinder. With two outlets and a rearward outlet size of 9\/16-18, this part supports reliable brake line connections without the need for additional adapters.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure in vehicles experiencing soft or spongy brake pedal feel\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or damaged master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eSolves inconsistent braking performance due to worn internal seals\u003c\/li\u003e\n\u003cli\u003eAddresses brake system failure symptoms such as pedal sinking or poor stopping power\u003c\/li\u003e\n\u003cli\u003eSupports brake system rebuilds on compatible Chevrolet and GMC models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your specific Chevrolet or GMC model before installation\u003c\/li\u003e\n\u003cli\u003eBrake system should be properly bled after installation to remove air from the lines\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; retain original hardware or source appropriate replacements\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during installation\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for outlet fittings to prevent leaks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M71285 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and integrated reservoir contribute to the part's durability and reliability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or contact the distributor for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789377437877,"sku":"BKKX-M71285","price":77.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M71285_Fro_ea34ec68-58f7-4824-a908-434b3a19c121.jpg?v=1774997522","url":"https:\/\/www.partcatalog.com\/products\/dorman-m71285-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}