{"product_id":"dorman-m630487-brake-master-cylinder","title":"Dorman M630487 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet HHR\u003c\/h2\u003e\u003cp\u003eThe Dorman M630487 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 consistent performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 0.938 inches\u003c\/li\u003e\n\u003cli\u003eDurable aluminum material for long-lasting use\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated functionality\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0\u003c\/li\u003e\n\u003cli\u003eThread pitch of 1.0 for secure connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M630487 brake master cylinder is engineered with a 0.938-inch bore diameter to match the hydraulic requirements of the Chevrolet HHR. Constructed from aluminum, this master cylinder offers corrosion resistance and strength to withstand daily driving conditions. It comes complete with a reservoir and sensor, allowing for seamless integration with the vehicle’s brake fluid monitoring system. The unit features two outlets: a rearward outlet sized M10 x 1.0 and a secondary outlet with an M12 x 1.0 thread diameter, both with a 1.0 thread pitch to ensure proper fitment and leak-free connections.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake fluid pressure and pedal feel\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or damaged master cylinders in Chevrolet HHR\u003c\/li\u003e\n\u003cli\u003eAddresses brake warning light issues related to sensor failure\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or unresponsive brake pedal symptoms\u003c\/li\u003e\n\u003cli\u003ePrevents brake fluid contamination with integrated reservoir\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M630487 brake master cylinder on a Chevrolet HHR, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify that the sensor connections are secure and compatible with the vehicle’s wiring harness. Use appropriate tools to avoid damaging the aluminum housing or thread fittings. This master cylinder does not include mounting hardware, so retain original components or source compatible fasteners as needed.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630487 brake master cylinder to meet or exceed OEM specifications for the Chevrolet HHR. The aluminum construction and integrated sensor contribute to reliable brake system performance. While specific warranty details are not provided here, Dorman products typically 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":52089074876597,"sku":"BKKX-M630487","price":128.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630487_Fro.jpg?v=1775148245","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630487-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}