{"product_id":"dorman-w4802-drum-brake-wheel-cylinder","title":"Dorman W4802 Drum Brake Wheel Cylinder - Rear Right","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder for Oldsmobile and Pontiac\u003c\/h2\u003e\u003cp\u003eThe Dorman W4802 drum brake wheel cylinder is engineered to restore proper brake hydraulics in select Oldsmobile and Pontiac models. Designed with durable cast iron construction and precise bore dimensions, this wheel cylinder ensures consistent braking performance for vehicles like the Oldsmobile 98 and Pontiac Bonneville.\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\u003e0.938 inch bore diameter for accurate fit and function\u003c\/li\u003e\n\u003cli\u003eBrake line inlet thread diameter of 0.437 inches\u003c\/li\u003e\n\u003cli\u003eBrake component inlet thread size of 7\/16-24 UNS\u003c\/li\u003e\n\u003cli\u003ePackage contains one drum brake wheel cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman W4802 wheel cylinder is constructed from cast iron, providing a robust and corrosion-resistant component suitable for drum brake systems. The bore diameter measures 0.938 inches, matching OEM specifications for proper hydraulic pressure and piston movement. The brake line inlet thread diameter is 0.437 inches, with a brake component inlet thread size of 7\/16-24 UNS, ensuring compatibility with factory brake lines. A bleeder screw is included to facilitate brake system maintenance, although a bleeder screw cap is not provided.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis drum brake wheel cylinder is compatible with various Oldsmobile and Pontiac models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOldsmobile 98\u003c\/li\u003e\n\u003cli\u003ePontiac Bonneville\u003c\/li\u003e\n\u003cli\u003ePontiac Catalina\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Prix\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUse the Dorman W4802 to maintain or restore braking efficiency in these specific vehicles, ensuring safe and reliable stopping power.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Wheel Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fluid leaks from worn or damaged wheel cylinders\u003c\/li\u003e\n\u003cli\u003eUneven or reduced braking performance due to cylinder failure\u003c\/li\u003e\n\u003cli\u003eBrake pedal sponginess caused by internal cylinder wear\u003c\/li\u003e\n\u003cli\u003eCorrosion or pitting inside the cylinder bore affecting piston movement\u003c\/li\u003e\n\u003cli\u003eBrake drag or sticking caused by seized wheel cylinder pistons\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman W4802 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air and maintain hydraulic integrity. Verify thread compatibility with existing brake lines using the specified 7\/16-24 UNS inlet thread size. Inspect brake shoes and drums for wear during installation and replace as necessary to optimize braking performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the W4802 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under typical operating conditions. While specific warranty details should be confirmed at the point of purchase, Dorman products generally include limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792444293301,"sku":"BKKX-W4802","price":48.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W4802_Fro.jpg?v=1774997813","url":"https:\/\/www.partcatalog.com\/products\/dorman-w4802-drum-brake-wheel-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}