{"product_id":"dorman-m630891-brake-master-cylinder","title":"Dorman M630891 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Subaru Impreza and Legacy\u003c\/h2\u003e\u003cp\u003eThe Dorman M630891 brake master cylinder is engineered to provide consistent hydraulic pressure for your Subaru Impreza or Legacy. Designed with an aluminum body and integrated reservoir, this master cylinder supports safe and efficient braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Subaru Impreza and Legacy models\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.813 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes a single reservoir for brake fluid\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor for brake system monitoring\u003c\/li\u003e\n\u003cli\u003eThree outlet ports with M10 x 1.0 thread size\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder (part number M630891) features a 0.813-inch bore diameter, crafted from aluminum to resist corrosion and provide long-lasting service. The unit includes a single reservoir to hold brake fluid, ensuring proper hydraulic pressure is maintained. It also comes with an integrated sensor to monitor brake fluid levels or pressure, enhancing safety and system diagnostics. The master cylinder has three outlets, each with M10 x 1.0 thread pitch, designed for secure and precise brake line connections. Note that mounting hardware is not included with this part.\u003c\/p\u003e\u003ch2\u003eApplications and Common Repair Uses\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is specifically compatible with Subaru Impreza and Legacy vehicles, making it suitable for brake system repairs or replacements in these models. It addresses several common issues, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal feels spongy or soft due to master cylinder failure\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks from the master cylinder or reservoir\u003c\/li\u003e\n\u003cli\u003eBrake warning light triggered by sensor faults\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency or inconsistent brake pressure\u003c\/li\u003e\n\u003cli\u003eCorrosion or wear in the original master cylinder affecting performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M630891 brake master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify that the sensor connector is securely attached to maintain accurate brake fluid monitoring. Since mounting hardware is not included, reuse existing hardware or acquire compatible fasteners. Always follow vehicle-specific service manual instructions for torque specifications and safety precautions.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The aluminum construction offers corrosion resistance and durability under normal operating conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Refer to Dorman's warranty policy for detailed terms and conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792423977141,"sku":"BKKX-M630891","price":135.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630891_Fro.jpg?v=1774997779","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630891-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}