{"product_id":"dorman-w4801-drum-brake-wheel-cylinder-rear-left","title":"Dorman W4801 Drum Brake Wheel Cylinder - Rear Left","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder for Oldsmobile and Pontiac\u003c\/h2\u003e\u003cp\u003eThe Dorman W4801 drum brake wheel cylinder is engineered to restore proper brake hydraulics in select Oldsmobile and Pontiac vehicles. Designed with durable cast iron construction and precise bore dimensions, this wheel cylinder ensures consistent braking performance for models 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: 7\/16-24 UNS\u003c\/li\u003e\n\u003cli\u003ePackage contains one drum brake wheel cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman W4801 wheel cylinder is constructed from cast iron, providing a robust and long-lasting component for your brake system. Its 0.938 inch bore diameter is designed to match factory specifications, ensuring proper hydraulic pressure and brake shoe movement. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, improving brake responsiveness. The brake line inlet thread diameter measures 0.437 inches, with a 7\/16-24 UNS thread size, compatible with original brake line fittings on compatible Oldsmobile and Pontiac models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis drum brake wheel cylinder is compatible with several classic and late-model vehicles, 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\u003eIt is designed specifically for brake hydraulics systems requiring a 0.938 inch bore diameter wheel cylinder with the specified thread sizes.\u003c\/p\u003e\u003ch2\u003eCommon Brake Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLeaking or damaged wheel cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eSpongy or unresponsive brake pedal due to air in brake lines\u003c\/li\u003e\n\u003cli\u003eUneven brake shoe wear from improper wheel cylinder function\u003c\/li\u003e\n\u003cli\u003eBrake dragging or sticking caused by seized wheel cylinders\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency in drum brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman W4801 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Use the included bleeder screw to properly bleed the brake lines after installation to remove any trapped air. Verify thread compatibility with existing brake lines before installation. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this wheel cylinder to meet or exceed OEM standards, using cast iron for durability and reliable performance. The part number W4801 is backed by Dorman's quality control processes to ensure fit and function. Please refer to Dorman's official warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915821023413,"sku":"BKKX-W4801","price":49.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W4801_Fro.jpg?v=1774997813","url":"https:\/\/www.partcatalog.com\/products\/dorman-w4801-drum-brake-wheel-cylinder-rear-left","provider":"PartCatalog","version":"1.0","type":"link"}