{"product_id":"dorman-m639011-brake-master-cylinder","title":"Dorman M639011 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet Chevy Pickup\u003c\/h2\u003e\u003cp\u003eThe Dorman M639011 brake master cylinder is engineered to provide consistent hydraulic pressure for your Chevrolet Chevy and Chevy Pickup models. Designed with durable cast iron and precise bore dimensions, this master cylinder ensures dependable braking performance.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M639011 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.813 inches for accurate hydraulic control\u003c\/li\u003e\n\u003cli\u003eConstructed from cast iron for strength and durability\u003c\/li\u003e\n\u003cli\u003eIncludes four outlets to support complex brake line configurations\u003c\/li\u003e\n\u003cli\u003eRearward outlet size: M10 x 1.0 thread for secure fitting\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: M12 x 1.0 with 1.0 thread pitch\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; reservoir and mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Dorman M639011 Brake Master Cylinder\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is specifically designed for Chevrolet Chevy and Chevy Pickup vehicles, providing a precise fit and reliable operation. The 0.813-inch bore diameter allows for optimal hydraulic pressure generation, essential for effective brake system performance. Manufactured from cast iron, the unit offers resistance to wear and corrosion, extending the service life of your braking system. The four outlet ports accommodate multiple brake lines, with rearward and secondary outlet threads sized at M10 x 1.0 and M12 x 1.0 respectively, ensuring compatibility with factory brake line fittings.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper hydraulic pressure in brake systems for Chevrolet Chevy and Chevy Pickup\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal sponginess\u003c\/li\u003e\n\u003cli\u003eSolves brake fluid leakage due to damaged or corroded master cylinder bodies\u003c\/li\u003e\n\u003cli\u003eAddresses inconsistent braking response from internal seal failure\u003c\/li\u003e\n\u003cli\u003eSupports brake system rebuilds requiring a cast iron master cylinder with specific outlet threading\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your Chevrolet Chevy or Chevy Pickup model before installation\u003c\/li\u003e\n\u003cli\u003eBrake fluid reservoir and mounting hardware are not included and must be sourced separately\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air and ensure proper hydraulic function\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 M639011 brake master cylinder to meet or exceed OEM standards for fit and function. The cast iron construction provides durability under demanding conditions. While mounting hardware and reservoir are not included, the master cylinder is designed for straightforward integration into Chevrolet Chevy and Chevy Pickup brake systems. Please refer to Dorman's warranty policy for coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792441344181,"sku":"BKKX-M639011","price":85.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M639011_Fro.jpg?v=1774997806","url":"https:\/\/www.partcatalog.com\/products\/dorman-m639011-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}