{"product_id":"dorman-m39376-brake-master-cylinder","title":"Dorman M39376 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Buick, Chevrolet, Oldsmobile, and Pontiac\u003c\/h2\u003e\u003cp\u003eThe Dorman M39376 brake master cylinder is engineered to restore proper brake hydraulics in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable cast iron and dual bore diameters, this master cylinder ensures consistent brake fluid pressure for safe stopping performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Buick Bonneville, Chevrolet Malibu, Monte Carlo, El Camino, Oldsmobile Cutlass series, Pontiac Grand Prix, Regal, and Riviera\u003c\/li\u003e\n\u003cli\u003eDual master cylinder bore diameters: 24mm and 36mm for balanced braking\u003c\/li\u003e\n\u003cli\u003eConstructed from cast iron for strength and durability\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid storage\u003c\/li\u003e\n\u003cli\u003eTwo outlet ports with rearward outlet size 1\/2-20 and secondary outlet thread diameter 9\/16-18\u003c\/li\u003e\n\u003cli\u003ePart number M39376 ensures exact replacement fit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman M39376 brake master cylinder is a critical component in the brake hydraulics system, responsible for converting pedal force into hydraulic pressure. Featuring a cast iron body, this master cylinder offers long-lasting durability and resistance to wear. The dual bore diameters of 24mm and 36mm provide balanced pressure distribution between front and rear brakes, enhancing braking stability. The included reservoir allows for proper brake fluid containment and circulation. This master cylinder is designed with two outlets, including a rearward outlet sized 1\/2-20 and a secondary outlet with a 9\/16-18 thread diameter, ensuring compatibility with the brake lines on Buick Bonneville, Chevrolet Malibu, Monte Carlo, El Camino, Oldsmobile Cutlass, Cutlass Calais, Cutlass Cruiser, Cutlass Supreme, Pontiac Grand Prix, Regal, and Riviera models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores brake pedal firmness and responsiveness\u003c\/li\u003e\n\u003cli\u003eEliminates brake fluid leaks from a worn or damaged master cylinder\u003c\/li\u003e\n\u003cli\u003eResolves uneven braking caused by internal seal failure\u003c\/li\u003e\n\u003cli\u003ePrevents brake warning lights related to master cylinder malfunction\u003c\/li\u003e\n\u003cli\u003eAddresses spongy or sinking brake pedal issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure brake system is properly bled after installation to remove air\u003c\/li\u003e\n\u003cli\u003eCheck compatibility with vehicle make and model before installation\u003c\/li\u003e\n\u003cli\u003eUse recommended brake fluid type for your specific vehicle\u003c\/li\u003e\n\u003cli\u003eInspect brake lines and fittings for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eMounting hardware is not included and may need to be sourced separately\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the M39376 brake master cylinder to meet or exceed OEM specifications, using cast iron for durability and reliable performance. While mounting hardware is not included, the product is designed for direct fit replacement on specified Buick, Chevrolet, Oldsmobile, and Pontiac models. Warranty coverage details should be confirmed at the point of purchase or with the manufacturer.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43789336019125,"sku":"BKKX-M39376","price":72.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M39376_Fro.jpg?v=1774997467","url":"https:\/\/www.partcatalog.com\/products\/dorman-m39376-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}