{"product_id":"dorman-m104456-brake-master-cylinder","title":"Dorman M104456 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for GM Trucks and SUVs\u003c\/h2\u003e\u003cp\u003eThe Dorman M104456 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. Designed with a cast iron body and a 30.04 mm bore diameter, this master cylinder includes a reservoir and supports dual outlet connections for efficient brake fluid distribution.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 30.04 mm\u003c\/li\u003e\n\u003cli\u003eDurable cast iron construction\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size 9\/16-18 and secondary outlet thread diameter 0.5\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM trucks and SUVs including Chevrolet Blazer, GMC Jimmy, and Cadillac DeVille\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThis Dorman brake master cylinder (part number M104456) is designed specifically for brake hydraulics systems requiring a 30.04 mm bore diameter. The cast iron material ensures long-lasting durability under demanding conditions. It features two outlets to accommodate front and rear brake circuits, with a rearward outlet size of 9\/16-18 and a secondary outlet thread diameter of 0.5 inches. The included reservoir simplifies installation and maintenance by providing a ready-to-use brake fluid container.\u003c\/p\u003e\u003cp\u003eCompatible with a wide range of GM vehicles, this master cylinder fits models such as the Chevrolet C10, C1500, and Blazer, GMC K10, K1500, and Jimmy, as well as Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville. This part is ideal for restoring brake system function in these trucks and SUVs.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake pedal feel and pressure\u003c\/li\u003e\n\u003cli\u003eEliminates brake fluid leaks from a worn or damaged master cylinder\u003c\/li\u003e\n\u003cli\u003eResolves inconsistent braking or spongy brake pedal issues\u003c\/li\u003e\n\u003cli\u003eReplaces master cylinders with corroded or damaged cast iron bodies\u003c\/li\u003e\n\u003cli\u003eAddresses brake system failure due to internal seal wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M104456 master cylinder requires basic brake system knowledge and tools. Note that mounting hardware is not included, so retain original fasteners or acquire replacements as needed. Bleeding the brake system thoroughly after installation is essential to remove air and ensure proper brake function. Verify compatibility with your specific vehicle model and year before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The cast iron construction provides durability and resistance to wear. While mounting hardware is not included, the product undergoes quality checks to ensure reliable performance. Please consult Dorman's warranty policy for coverage details related to this part number M104456.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792090497205,"sku":"BKKX-M104456","price":63.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M104456_Fro_67e5196c-38d1-482f-b8be-93d974ea190a.jpg?v=1774997533","url":"https:\/\/www.partcatalog.com\/products\/dorman-m104456-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}