{"product_id":"dorman-m630878-brake-master-cylinder","title":"Dorman M630878 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Volvo Models\u003c\/h2\u003e\u003cp\u003eThe Dorman M630878 brake master cylinder is engineered to restore proper brake hydraulics for select Volvo vehicles. Designed with an integrated brake booster and constructed from durable aluminum, this master cylinder ensures consistent braking performance for your Volvo S60, S80, V60, XC60, XC70, and XC90 models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes brake booster for enhanced braking assistance\u003c\/li\u003e\n\u003cli\u003eAluminum master cylinder material for durability and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003e1-inch bore diameter for precise hydraulic pressure control\u003c\/li\u003e\n\u003cli\u003eTwo outlets with M12 x 1.0 thread size for rearward and secondary connections\u003c\/li\u003e\n\u003cli\u003eRemovable reservoir type for easy maintenance\u003c\/li\u003e\n\u003cli\u003ePackage includes master cylinder and bleeder kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M630878 brake master cylinder features a 1-inch bore diameter that provides reliable hydraulic pressure to the braking system. Its aluminum construction offers strength and resistance to corrosion, extending the service life of the component. This master cylinder comes with an integrated brake booster, which assists in reducing pedal effort and improving overall brake response. The unit includes two mounting holes for secure attachment and two outlets with M12 x 1.0 thread pitch, compatible with the brake lines on Volvo S60, S60 Cross Country, S80, V60, V60 Cross Country, XC60, XC70, and XC90 models. The removable reservoir design allows for easier brake fluid inspection and maintenance. The package also contains a bleeder kit to facilitate proper brake system bleeding during installation.\u003c\/p\u003e\u003ch2\u003eCompatible Volvo Models and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVolvo S60 and S60 Cross Country\u003c\/li\u003e\n\u003cli\u003eVolvo S80\u003c\/li\u003e\n\u003cli\u003eVolvo V60 and V60 Cross Country\u003c\/li\u003e\n\u003cli\u003eVolvo XC60, XC70, and XC90\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis master cylinder is specifically designed for these Volvo models to ensure proper fitment and optimal braking system performance.\u003c\/p\u003e\u003ch2\u003eCommon Brake System Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSpongy or soft brake pedal feel\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks from the master cylinder\u003c\/li\u003e\n\u003cli\u003eReduced braking power or inconsistent brake response\u003c\/li\u003e\n\u003cli\u003eBrake warning light activation due to hydraulic failure\u003c\/li\u003e\n\u003cli\u003eBrake booster malfunction affecting pedal effort\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M630878 brake master cylinder requires careful attention to brake line connections and proper bleeding of the brake system. The included bleeder kit assists in removing air from the hydraulic lines to restore firm pedal feel. Note that mounting hardware, push rod, reservoir, bleeder hoses, sensor, and mounting bracket are not included and may need to be reused from the original assembly or sourced separately. Ensure all connections use the specified M12 x 1.0 thread pitch for secure fitting. It is recommended to follow the vehicle manufacturer’s service manual for torque specifications and installation procedures.\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 and integrated brake booster are designed for durability and reliable performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components. Verify warranty coverage with the product documentation or supplier at the time of purchase.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089080217781,"sku":"BKKX-M630878","price":152.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630878_Fro.jpg?v=1775148261","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630878-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}