{"product_id":"dorman-w3731-drum-brake-wheel-cylinder-front-left","title":"Dorman W3731 Drum Brake Wheel Cylinder - Front Left","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder Replacement\u003c\/h2\u003e\u003cp\u003eThe Dorman W3731 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with durable cast iron construction and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe braking 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\u003e1.25 inch bore diameter for accurate fitment\u003c\/li\u003e\n\u003cli\u003eBrake line inlet thread diameter of 0.437 inches (7\/16-20 thread size)\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 W3731 wheel cylinder features a 1.25 inch bore diameter, which is critical for maintaining proper hydraulic pressure within the drum brake system. Its cast iron construction provides resistance to wear and corrosion, extending the service life of the component. The included bleeder screw allows for straightforward brake fluid bleeding during installation or maintenance, although a bleeder screw cap is not included. The brake line inlet thread size is 7\/16-20, with a diameter of 0.437 inches, ensuring compatibility with specific brake line fittings. This part is designed for use in drum brake systems requiring these exact specifications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis Dorman drum brake wheel cylinder (part number W3731) is compatible with various vehicle makes and models that utilize a 1.25 inch bore diameter wheel cylinder with a 7\/16-20 brake line inlet thread. It is commonly used in older domestic and import vehicles equipped with drum brakes. For precise fitment, verify the part number and specifications against your vehicle’s service manual or OEM parts catalog.\u003c\/p\u003e\u003ch2\u003eCommon Brake Issues Addressed\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\u003eSpongy brake pedal caused by internal cylinder seal wear\u003c\/li\u003e\n\u003cli\u003eBrake drag or sticking caused by seized wheel cylinder pistons\u003c\/li\u003e\n\u003cli\u003eCorrosion-related brake system malfunctions in drum brakes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman W3731 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air and maintain hydraulic integrity. Inspect brake shoes and hardware for wear or damage during replacement. Use the correct brake line fittings matching the 7\/16-20 thread size to prevent leaks. Follow vehicle-specific service procedures to ensure safe and effective installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W3731 wheel cylinder is backed by Dorman’s quality assurance processes. Please consult Dorman’s official warranty documentation for specific coverage details.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52089081561269,"sku":"BKKX-W3731","price":86.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W3731_Fro.jpg?v=1775148269","url":"https:\/\/www.partcatalog.com\/products\/dorman-w3731-drum-brake-wheel-cylinder-front-left","provider":"PartCatalog","version":"1.0","type":"link"}