{"product_id":"dorman-m101266-brake-master-cylinder","title":"Dorman M101266 Brake Master Cylinder","description":"\u003ch2\u003eOverview of Dorman Brake Master Cylinder M101266\u003c\/h2\u003e\u003cp\u003eThe Dorman Brake Master Cylinder M101266 is designed for reliable brake hydraulics performance in select Chevrolet and GMC trucks and SUVs. This master cylinder includes a reservoir and is engineered to meet the specific needs of vehicles like the Chevrolet C10 Suburban and GMC K2500 Suburban.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1.25 inches\u003c\/li\u003e\n\u003cli\u003eConstructed from durable cast iron material\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for fluid storage\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports for brake line connections\u003c\/li\u003e\n\u003cli\u003eRearward outlet size: 1\/2-20 thread\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter: 9\/16-18\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M101266 brake master cylinder is built with a 1.25-inch bore diameter and cast iron construction to provide consistent hydraulic pressure for braking systems. It features two outlets with specific thread sizes—1\/2-20 for the rearward outlet and 9\/16-18 for the secondary outlet—ensuring compatibility with the brake lines on Chevrolet and GMC trucks such as the C20, C2500, and P3500 models. The included reservoir allows for proper brake fluid containment and circulation, essential for maintaining brake system integrity. This master cylinder is designed to replace original equipment components and restore proper brake function.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis brake master cylinder is compatible with a range of Chevrolet and GMC trucks and SUVs, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet C10 Suburban, C20, C20 Suburban, C30\u003c\/li\u003e\n\u003cli\u003eChevrolet C2500, C2500 Suburban\u003c\/li\u003e\n\u003cli\u003eGMC G30, K10 Suburban, K20, K20 Suburban\u003c\/li\u003e\n\u003cli\u003eGMC K2500, K2500 Suburban, P20, P30, P2500, P3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Master Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake pedal sinking or sponginess due to internal leaks\u003c\/li\u003e\n\u003cli\u003eBrake fluid leaks around the master cylinder\u003c\/li\u003e\n\u003cli\u003eReduced braking performance or uneven brake pressure\u003c\/li\u003e\n\u003cli\u003eContaminated or damaged brake fluid reservoir\u003c\/li\u003e\n\u003cli\u003eFailure of the original master cylinder causing brake system warning lights\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the brake system is properly bled after installation to remove air\u003c\/li\u003e\n\u003cli\u003eVerify thread sizes (1\/2-20 and 9\/16-18) match brake line fittings\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included; reuse original hardware or source separately\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and hoses for wear during installation\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific service manual instructions for removal and installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM specifications for durability and performance. The cast iron construction provides long-lasting strength under demanding conditions. While mounting hardware is not included, the product undergoes quality checks to ensure proper fit and function. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792087122101,"sku":"BKKX-M101266","price":64.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M101266_Fro.jpg?v=1774997532","url":"https:\/\/www.partcatalog.com\/products\/dorman-m101266-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}