{"product_id":"dorman-w37855-drum-brake-wheel-cylinder","title":"Dorman W37855 Drum Brake Wheel Cylinder - Rear","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder for GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman W37855 drum brake wheel cylinder is engineered to restore proper braking function in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable cast iron construction and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes bleeder screw for easy brake fluid bleeding\u003c\/li\u003e\n\u003cli\u003eCast iron casting material for strength and durability\u003c\/li\u003e\n\u003cli\u003eBrake line inlet thread diameter of 10 mm with M10 x 1.0 thread size\u003c\/li\u003e\n\u003cli\u003eBore diameter of 0.938 inches for accurate fitment\u003c\/li\u003e\n\u003cli\u003eThread pitch of 1.0 for secure brake line connection\u003c\/li\u003e\n\u003cli\u003ePackage contains one drum brake wheel cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Dorman W37855 wheel cylinder features a 0.938-inch bore diameter and a brake line inlet thread size of M10 x 1.0, matching original equipment specifications. Its cast iron construction provides reliable resistance to wear and corrosion, essential for maintaining brake system integrity. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake hydraulics. This part is compatible with a range of General Motors vehicles, including Buick models 88 and 98, Cadillac DeVille and Fleetwood, Chevrolet Lumina APV and Lumina Van, Oldsmobile Silhouette, and Pontiac Bonneville, Montana, Park Avenue, and Trans Sport.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores braking performance in vehicles experiencing brake fluid leaks\u003c\/li\u003e\n\u003cli\u003eReplaces worn or seized wheel cylinders causing uneven brake application\u003c\/li\u003e\n\u003cli\u003eAddresses spongy brake pedal feel due to hydraulic system issues\u003c\/li\u003e\n\u003cli\u003eEliminates brake drag caused by stuck pistons in the wheel cylinder\u003c\/li\u003e\n\u003cli\u003ePrevents brake failure from compromised hydraulic pressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman W37855 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air pockets. Verify thread compatibility with the brake line inlet (M10 x 1.0) and inspect all seals and connections for leaks. It is recommended to replace brake shoes and hardware simultaneously to maintain balanced braking performance. Follow manufacturer torque specifications for mounting bolts and fittings.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The W37855 drum brake wheel cylinder undergoes rigorous quality control to ensure proper fit and function. This part is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43795467239605,"sku":"BKKX-W37855","price":29.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W37855_Fro_f3497e2f-1a67-4e1b-ae08-dc7f4b2eec2d.jpg?v=1774997906","url":"https:\/\/www.partcatalog.com\/products\/dorman-w37855-drum-brake-wheel-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}