{"product_id":"dorman-m630712-brake-master-cylinder","title":"Dorman M630712 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet HHR\u003c\/h2\u003e\u003cp\u003eThe Dorman M630712 brake master cylinder is designed specifically for Chevrolet HHR models, providing precise hydraulic control for your vehicle's braking system. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure optimal performance and safety.\u003c\/p\u003e\u003ch2\u003eKey Features of Dorman M630712 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Chevrolet HHR models\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameter of 0.938 inches for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eDurable aluminum material for long-lasting use\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for complete brake system integration\u003c\/li\u003e\n\u003cli\u003eTwo outlets with M12 x 1.0 thread pitch for secure connections\u003c\/li\u003e\n\u003cli\u003eRearward outlet size and secondary outlet thread diameter both M12 x 1.0\u003c\/li\u003e\n\u003cli\u003eMounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description of the Dorman M630712 Brake Master Cylinder\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is engineered to meet the specific hydraulic requirements of the Chevrolet HHR. The 0.938-inch bore diameter ensures consistent brake fluid pressure, which is critical for effective braking response. Constructed from aluminum, the master cylinder offers resistance to corrosion and heat, contributing to reliable operation over time. The included reservoir and sensor allow for seamless integration with the vehicle’s brake fluid system and electronic monitoring, supporting safety and maintenance alerts. With two outlets featuring M12 x 1.0 thread pitch, the unit provides secure and precise connections to the brake lines.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to internal leaks\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks around the master cylinder\u003c\/li\u003e\n\u003cli\u003eLoss of hydraulic pressure affecting braking performance\u003c\/li\u003e\n\u003cli\u003eWarning lights triggered by faulty brake fluid sensors\u003c\/li\u003e\n\u003cli\u003eInconsistent brake pedal feel or delayed brake response\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Chevrolet HHR before installation\u003c\/li\u003e\n\u003cli\u003eBleed the brake system thoroughly after installation to remove air\u003c\/li\u003e\n\u003cli\u003eUse proper tools for M12 x 1.0 threaded connections to avoid damage\u003c\/li\u003e\n\u003cli\u003eCheck brake fluid level in the reservoir after installation\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse existing hardware or source separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM specifications for the Chevrolet HHR. The aluminum construction and integrated sensor are tested for durability and performance under typical driving conditions. While specific warranty details are not provided here, Dorman products generally come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792360964277,"sku":"BKKX-M630712","price":121.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630712_Generic.jpg?v=1774997741","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630712-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}