{"product_id":"dorman-w45871-drum-brake-wheel-cylinder","title":"Dorman W45871 Drum Brake Wheel Cylinder - Front Left","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder for Buick, Chevrolet, and Oldsmobile\u003c\/h2\u003e\u003cp\u003eThe Dorman W45871 drum brake wheel cylinder is engineered to restore proper braking function in select Buick, Chevrolet, and Oldsmobile models. Designed with durable cast iron construction and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes bleeder screw for easy brake system bleeding\u003c\/li\u003e\n\u003cli\u003eBrake line inlet thread diameter: 0.437 inches\u003c\/li\u003e\n\u003cli\u003eBrake component inlet thread size: 7\/16-20\u003c\/li\u003e\n\u003cli\u003eCast iron casting material for strength and durability\u003c\/li\u003e\n\u003cli\u003eBore diameter measures 1.063 inches for accurate fit\u003c\/li\u003e\n\u003cli\u003ePackage contains one drum brake wheel cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Precise Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman W45871 wheel cylinder features a cast iron body that provides long-lasting resistance to wear and corrosion. Its 1.063-inch bore diameter is designed to match original equipment 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. Thread sizes of 0.437 inches for the brake line inlet and 7\/16-20 for the brake component inlet ensure compatibility with factory brake lines on compatible vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Buick, Chevrolet, and Oldsmobile Models\u003c\/h2\u003e\u003cp\u003eThis drum brake wheel cylinder is compatible with several classic and late-model vehicles, including Buick Cutlass, Chevrolet El Camino, Chevrolet Malibu, and Oldsmobile Skylark. The part number W45871 corresponds specifically to these models, making it a suitable replacement for worn or leaking wheel cylinders in their rear drum brake systems.\u003c\/p\u003e\u003ch2\u003eCommon Brake Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLeaking brake fluid from the wheel cylinder\u003c\/li\u003e\n\u003cli\u003eReduced braking efficiency due to worn or seized pistons\u003c\/li\u003e\n\u003cli\u003eSpongy brake pedal caused by air in the brake lines\u003c\/li\u003e\n\u003cli\u003eUneven brake shoe wear from inconsistent hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eBrake drag or sticking caused by faulty wheel cylinder operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the brake system is fully depressurized before removal\u003c\/li\u003e\n\u003cli\u003eUse the included bleeder screw to properly bleed air from the brake lines after installation\u003c\/li\u003e\n\u003cli\u003eInspect brake shoes and hardware for wear and replace if necessary\u003c\/li\u003e\n\u003cli\u003eVerify thread sizes to confirm compatibility with existing brake lines\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific service manual instructions for drum brake disassembly and reassembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the W45871 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to reliable braking performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in the product's durability and reliability.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43795506823349,"sku":"BKKX-W45871","price":44.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W45871_Fro.jpg?v=1774997922","url":"https:\/\/www.partcatalog.com\/products\/dorman-w45871-drum-brake-wheel-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}