{"product_id":"dorman-w37158-drum-brake-wheel-cylinder-rear-lower","title":"Dorman W37158 Drum Brake Wheel Cylinder - Rear Lower","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder for Precise Braking\u003c\/h2\u003e\u003cp\u003eThe Dorman W37158 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with durable cast iron construction and a 1.5-inch bore diameter, this component ensures consistent hydraulic pressure for safe stopping performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCast iron casting material for strength and durability\u003c\/li\u003e\n\u003cli\u003e1.5-inch bore diameter for accurate hydraulic operation\u003c\/li\u003e\n\u003cli\u003eBrake line inlet thread diameter of 0.437 inches (7\/16-24 thread size)\u003c\/li\u003e\n\u003cli\u003eIncludes one drum brake wheel cylinder per package\u003c\/li\u003e\n\u003cli\u003eNo bleeder screw or bleeder screw cap included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDurable Construction and Precise Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman W37158 wheel cylinder features a robust cast iron body designed to withstand the rigors of brake system pressure and heat. Its 1.5-inch bore diameter is calibrated to provide the correct hydraulic force needed to engage the brake shoes effectively. The brake line inlet thread size of 7\/16-24 (0.437 inches) ensures compatibility with standard brake lines, facilitating a secure and leak-free connection. This part is ideal for vehicles requiring a reliable replacement drum brake wheel cylinder that meets OEM specifications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cp\u003eThis drum brake wheel cylinder is compatible with various makes and models that utilize a 1.5-inch bore diameter and 7\/16-24 brake line inlet thread size. It is commonly used in rear drum brake assemblies on trucks, SUVs, and passenger vehicles where Dorman parts are specified. The W37158 part number is often sought for restoring braking performance in vehicles experiencing hydraulic brake issues.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRestores proper hydraulic pressure in drum brake systems\u003c\/li\u003e\n\u003cli\u003eEliminates brake drag or uneven braking caused by worn cylinders\u003c\/li\u003e\n\u003cli\u003eAddresses brake fluid leaks from damaged or corroded wheel cylinders\u003c\/li\u003e\n\u003cli\u003eImproves brake pedal feel and responsiveness\u003c\/li\u003e\n\u003cli\u003ePrevents brake failure due to cylinder bore wear or corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman W37158 drum brake wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely supported. Clean the brake backing plate and inspect brake shoes for wear before assembly. Since this part does not include a bleeder screw or cap, use the existing hardware or source compatible components as needed. Properly bleed the brake system after installation to remove air and verify hydraulic integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the W37158 wheel cylinder to meet or exceed industry standards for brake hydraulics. The cast iron construction and precise machining contribute to long service life and reliable performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51915822039221,"sku":"BKKX-W37158","price":108.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W37158_Fro.jpg?v=1774997851","url":"https:\/\/www.partcatalog.com\/products\/dorman-w37158-drum-brake-wheel-cylinder-rear-lower","provider":"PartCatalog","version":"1.0","type":"link"}