{"product_id":"dorman-m630809-brake-master-cylinder","title":"Dorman M630809 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder M630809\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M630809 is designed specifically for Mini Cooper models, including the Cooper, Cooper Clubman, Cooper Countryman, and Cooper Paceman. This aluminum master cylinder provides reliable brake hydraulics performance tailored to these vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes two outlets with M12 x 1.0 thread size\u003c\/li\u003e\n\u003cli\u003eDoes not include mounting hardware, reservoir, or sensor\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M630809 brake master cylinder is engineered to meet the specific hydraulic requirements of Mini Cooper models such as the Cooper, Cooper Clubman, Cooper Countryman, and Cooper Paceman. Featuring a 0.938-inch bore diameter, this aluminum master cylinder ensures consistent brake fluid pressure for effective braking response. The unit includes two outlets, both with M12 x 1.0 thread pitch, designed for secure and precise brake line connections. Note that this part does not come with a reservoir, sensor, or mounting hardware, so these components must be sourced separately if needed.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure in Mini Cooper brake systems\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake pedal issues\u003c\/li\u003e\n\u003cli\u003eSolves brake fluid leaks from damaged or corroded master cylinders\u003c\/li\u003e\n\u003cli\u003eAddresses inconsistent brake pedal feel or sponginess\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system reliability and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Mini Cooper, Cooper Clubman, Cooper Countryman, and Cooper Paceman models\u003c\/li\u003e\n\u003cli\u003eEnsure brake fluid reservoir and sensors are compatible and installed separately\u003c\/li\u003e\n\u003cli\u003eBleed brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eVerify thread pitch (M12 x 1.0) matches brake line fittings\u003c\/li\u003e\n\u003cli\u003eProfessional installation recommended for safety and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630809 brake master cylinder with high-quality aluminum for durability and corrosion resistance. While mounting hardware and reservoir are not included, the master cylinder meets OEM specifications for fit and function on Mini Cooper vehicles. Warranty information should be confirmed with the distributor or retailer at the time of purchase.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792384819381,"sku":"BKKX-M630809","price":198.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630809_Fro.jpg?v=1774997763","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630809-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}