{"product_id":"dorman-m630452-brake-master-cylinder","title":"Dorman M630452 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet and GMC Trucks\u003c\/h2\u003e\u003cp\u003eThe Dorman M630452 Brake Master Cylinder is engineered to restore proper brake hydraulics in Chevrolet Silverado 1500 and GMC Sierra 1500 models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter of 1.125 inches for accurate fluid displacement\u003c\/li\u003e\n\u003cli\u003eDurable aluminum construction for corrosion resistance and long service life\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir and sensor for integrated brake system monitoring\u003c\/li\u003e\n\u003cli\u003eTwo outlets with M12 x 1.0 thread size for secure hydraulic connections\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Silverado 1500 and GMC Sierra 1500 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M630452 brake master cylinder features a 1.125-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system. Constructed from aluminum, this master cylinder offers enhanced durability and resistance to corrosion compared to traditional materials. It comes complete with a reservoir and sensor, allowing for seamless integration with the vehicle’s brake fluid monitoring system. The unit includes two outlets, both with M12 x 1.0 thread pitch, ensuring compatibility with the brake lines on Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. This part is designed specifically for these models, providing a direct replacement that meets OEM specifications.\u003c\/p\u003e\u003ch2\u003eCommon Brake System Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to master cylinder wear\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks from a damaged or corroded master cylinder\u003c\/li\u003e\n\u003cli\u003eWarning lights triggered by faulty brake fluid level sensors\u003c\/li\u003e\n\u003cli\u003eUneven braking performance caused by improper hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eBrake system failure symptoms related to master cylinder malfunction\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman M630452 brake master cylinder, ensure the brake fluid reservoir is properly seated and the sensor connections are secure. Bleed the brake system thoroughly to remove any air pockets and verify that all hydraulic connections use the specified M12 x 1.0 thread fittings. This master cylinder does not include mounting hardware, so retain original fasteners or source compatible replacements. Proper installation is essential for restoring brake system integrity on Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M630452 brake master cylinder to meet or exceed industry standards for brake hydraulics. The aluminum construction and integrated sensor contribute to reliable performance and durability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089074548917,"sku":"BKKX-M630452","price":88.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M630452_Fro.jpg?v=1775148242","url":"https:\/\/www.partcatalog.com\/products\/dorman-m630452-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}