{"product_id":"dorman-m39646-brake-master-cylinder","title":"Dorman M39646 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Chevrolet, Dodge, and GMC Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman M39646 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Chevrolet, Dodge, and GMC trucks and SUVs. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum material\u003c\/li\u003e\n\u003cli\u003eDual outlet design with rearward outlet size 1\/2-20 and secondary outlet thread diameter 9\/16-18\u003c\/li\u003e\n\u003cli\u003eMaster cylinder bore diameters of 1.125 and 1.578 inches for optimal hydraulic function\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, K1500, K1500 Suburban, K2500, K2500 Suburban, Dodge Ram 1500, and GMC Yukon\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M39646 master cylinder is crafted from aluminum, providing corrosion resistance and long-lasting durability. It features two outlets to accommodate brake line connections, with precise thread sizes of 1\/2-20 for the rearward outlet and 9\/16-18 for the secondary outlet. The inclusion of a reservoir allows for proper brake fluid containment and circulation. Bore diameters of 1.125 and 1.578 inches ensure compatibility with the hydraulic systems of various Chevrolet, Dodge, and GMC models, including the Blazer, Ram 1500, and Yukon.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake fluid pressure in vehicles experiencing spongy or unresponsive brakes\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinders with leaks or internal seal failures\u003c\/li\u003e\n\u003cli\u003eAddresses brake pedal sinking or inconsistent brake pedal feel\u003c\/li\u003e\n\u003cli\u003eResolves issues related to brake fluid contamination or reservoir damage\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system reliability in Chevrolet, Dodge, and GMC trucks and SUVs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M39646 master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic performance. Mounting hardware is not included, so existing hardware should be inspected and replaced if necessary. It is recommended to verify bore diameter compatibility with the vehicle’s brake system before installation. Professional installation is advised for accurate fitting and safety compliance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides resistance to corrosion and wear, contributing to long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. Consult product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789346767029,"sku":"BKKX-M39646","price":61.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39646_Fro.jpg?v=1774997490","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39646-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}