{"product_id":"dorman-m630770-brake-master-cylinder","title":"Dorman M630770 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for BMW 128i\u003c\/h2\u003e\u003cp\u003eThe Dorman M630770 brake master cylinder is engineered to restore proper brake hydraulics in your BMW 128i. Crafted from durable aluminum, this master cylinder offers precise bore dimensions and reliable performance for your vehicle's braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with BMW 128i models\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from high-quality 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 reservoir or mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M630770 brake master cylinder features a 0.938-inch bore diameter, designed to meet the exact specifications required for BMW 128i brake hydraulics. Manufactured from aluminum, this part ensures corrosion resistance and long-lasting durability under demanding conditions. It includes two outlets, both with M12 x 1.0 thread pitch, allowing for secure and precise brake line connections. Note that this master cylinder does not come with a reservoir or mounting hardware, so these components must be sourced separately if needed.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pressure and pedal feel in BMW 128i vehicles\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eSolves issues related to spongy or unresponsive brake pedals\u003c\/li\u003e\n\u003cli\u003eAddresses internal seal failures within the brake hydraulic system\u003c\/li\u003e\n\u003cli\u003ePrevents brake system failure due to master cylinder wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M630770 master cylinder, ensure the brake system is properly bled to remove any air pockets. Since mounting hardware and reservoir are not included, verify compatibility with existing components or acquire necessary parts before installation. Use appropriate tools to avoid damaging the M12 x 1.0 threaded outlets during brake line connection. Follow manufacturer torque specifications for secure fitting.\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 provides resistance to corrosion and wear, contributing to reliable brake system performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915819712693,"sku":"BKKX-M630770","price":116.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630770_Fro.jpg?v=1774997755","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630770-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}