Dorman W37257 Drum Brake Wheel Cylinder - Front Right Upper

Direct Replacement Drum Brake Wheel Cylinder

Dorman W37257 is a direct replacement drum brake wheel cylinder engineered to match the fit, function, and performance of the original unit on specific vehicles. It is built for brake hydraulic service with a cast iron body, a 1.25-inch bore, and a bleeder screw included for serviceability.

Compatible With brake service applications on select Ford truck and classic Ford models, this wheel cylinder supports reliable rear drum brake operation where original equipment replacement is needed. The Dorman W37257 is also referenced by cross numbers used in the same application, including Raybestos Brakes WC37257.

Key Features

• Direct replacement drum brake wheel cylinder for OE-style fit and function
• Cast iron construction for brake hydraulic durability
• 1.25-inch bore diameter
• Bleeder screw included
• Brake component inlet thread size: 7/16-24
• Brake line inlet thread diameter: 0.437
• Package contents: 1 drum brake wheel cylinder
• Dorman part number W37257 for catalog and service lookup

Product Details

This drum brake wheel cylinder is manufactured and tested for quality assurance to help restore proper hydraulic pressure at the drum brake assembly. It is intended for vehicles that use a 1.25-inch bore and the listed inlet thread specifications, making it a practical replacement for worn, leaking, or sticking wheel cylinders. For buyers searching Ford brake wheel cylinder W37257, Ford drum brake hydraulic parts, or rear drum brake wheel cylinder replacement, this part provides a direct-fit service option.

This part cross-references Raybestos Brakes WC37257 for the same application.

Common Problems It Can Help Solve

• Brake fluid leakage at the wheel cylinder
• Uneven rear drum brake response
• Soft or inconsistent brake pedal feel caused by hydraulic loss
• Brake drag from a sticking wheel cylinder piston
• Corrosion-related failure in the drum brake hydraulic assembly

Installation Notes and Tips

Confirm bore diameter, inlet thread size, and bleeder screw configuration before installation. Inspect brake lines, drums, shoes, and hardware for wear or contamination during service, and bleed the brake system thoroughly after replacement. Verify vehicle-specific fitment for the exact Ford application before ordering the Dorman W37257.

Quality Assurance

Dorman manufactures this wheel cylinder as a direct replacement part and tests it for quality assurance to support consistent brake service performance.