{"product_id":"dorman-m630439-brake-master-cylinder","title":"Dorman M630439 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet Impala and Monte Carlo\u003c\/h2\u003e\u003cp\u003eThe Dorman M630439 Brake Master Cylinder is designed to restore proper brake hydraulics for Chevrolet Impala and Monte Carlo models. Engineered with an aluminum body and integrated reservoir and sensor, this master cylinder ensures consistent brake performance and safety.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch for precise hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for complete brake system integration\u003c\/li\u003e\n\u003cli\u003eTwo outlets with M13 x 1.5 thread size for rearward and secondary connections\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M630439 brake master cylinder features a 1-inch bore diameter, providing the correct hydraulic pressure needed for effective braking in Chevrolet Impala and Monte Carlo vehicles. Its aluminum construction offers corrosion resistance and long-lasting durability. This master cylinder comes with an integrated reservoir and sensor, allowing for seamless monitoring and fluid management within the brake system. The two outlets, both with M13 x 1.5 thread pitch, accommodate rearward and secondary brake line connections, ensuring compatibility with factory brake hydraulics.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is specifically compatible with Chevrolet Impala and Monte Carlo models, making it a suitable replacement part for maintaining or restoring brake system functionality. The part number M630439 should be referenced to confirm fitment and specifications when ordering or servicing these vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRestores brake hydraulic pressure for safe stopping\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid reservoir leaks or sensor failures\u003c\/li\u003e\n\u003cli\u003eSolves issues with inconsistent brake pedal feel or travel\u003c\/li\u003e\n\u003cli\u003ePrevents brake system warning lights related to master cylinder sensor\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M630439 brake master cylinder requires proper brake fluid handling and bleeding procedures to avoid air in the brake lines. Since mounting hardware is not included, retain original fasteners or acquire appropriate replacements. Verify thread sizes (M13 x 1.5) for brake line fittings to ensure proper connection. It is recommended to inspect related brake components during installation for overall system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The M630439 brake master cylinder undergoes rigorous quality control to ensure reliable performance. Warranty coverage details should be confirmed at the time of purchase, typically including protection against defects in material and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792271507637,"sku":"BKKX-M630439","price":77.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630439_Fro.jpg?v=1774997680","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630439-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}