{"product_id":"dorman-m630407-brake-master-cylinder","title":"Dorman M630407 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet and Pontiac Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M630407 brake master cylinder is engineered to restore proper brake hydraulics in select Chevrolet and Pontiac models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman M630407 Brake Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter of 0.875 inches for accurate fluid displacement\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material for corrosion resistance and longevity\u003c\/li\u003e\n\u003cli\u003eIncludes an integrated reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor to monitor brake fluid levels\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 fitting\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder unit only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M630407 brake master cylinder is specifically designed for compatibility with Chevrolet Cobalt, Pontiac G5, and Pontiac Pursuit models. Its aluminum construction provides a lightweight yet robust solution resistant to rust and wear. The 0.875-inch bore diameter allows for precise hydraulic pressure control, essential for maintaining consistent brake pedal feel and stopping power. The included reservoir and sensor help maintain optimal brake fluid levels, contributing to overall brake system reliability. With two outlets featuring M10 x 1.0 and M12 x 1.0 thread sizes, this master cylinder integrates seamlessly with the vehicle’s brake lines.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure in vehicles experiencing soft or spongy brake pedal feel\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinders with leaking or damaged reservoirs\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid level sensor malfunctions to ensure proper warning signals\u003c\/li\u003e\n\u003cli\u003eSolves issues related to inconsistent braking performance due to worn master cylinder components\u003c\/li\u003e\n\u003cli\u003eSuitable for maintenance or repair of brake hydraulics in Chevrolet Cobalt, Pontiac G5, and Pursuit models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake system is properly bled after installation to remove air from hydraulic lines\u003c\/li\u003e\n\u003cli\u003eVerify thread sizes (M10 x 1.0 and M12 x 1.0) match vehicle brake line fittings before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate brake fluid as specified by the vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eCheck sensor connections for secure fit to maintain accurate brake fluid level monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630407 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term durability and 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.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089074352309,"sku":"BKKX-M630407","price":117.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630407_Fro.jpg?v=1775148241","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630407-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}