Dorman W37856 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Ford and Mazda Vehicles

The Dorman W37856 drum brake wheel cylinder is engineered to restore proper braking function in select Ford and Mazda models. Designed with durable cast iron and precise specifications, this component ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake system bleeding
• Constructed from cast iron for strength and durability
• 0.875 inch bore diameter for accurate fit and function
• Brake component inlet thread size of 3/8-24 inches
• Thread diameter of 3/8 inch for secure installation
• Package contains one drum brake wheel cylinder

Product Details and Specifications

The Dorman W37856 wheel cylinder is specifically designed for drum brake systems on Ford Aerostar, Ford Explorer, and Mazda Navajo models. Its cast iron construction provides resistance to wear and corrosion, maintaining reliable hydraulic pressure over time. The included bleeder screw simplifies brake fluid bleeding during installation or maintenance, although the bleeder screw cap is not included. With a bore diameter of 0.875 inches and a brake component inlet thread size of 3/8-24 inches, this wheel cylinder meets OEM standards for fit and performance. The 3/8 inch thread diameter ensures compatibility with the brake line fittings on the specified vehicles.

Compatible Vehicles and Applications

• Ford Aerostar drum brake hydraulic system repair
• Ford Explorer rear drum brake wheel cylinder replacement
• Mazda Navajo brake hydraulics maintenance
• Restores proper brake fluid pressure and wheel cylinder function
• Addresses brake drag, fluid leaks, and uneven braking issues

Installation Notes and Tips

When installing the Dorman W37856 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air and maintain hydraulic integrity. Verify thread compatibility with existing brake lines and inspect all seals and boots for damage. It is recommended to replace brake shoes and hardware simultaneously to ensure optimal braking performance. Follow vehicle-specific service manual instructions for torque specifications and safety precautions.

Quality Assurance and Warranty Information

Dorman manufactures the W37856 wheel cylinder to meet or exceed OEM standards for durability and performance. The cast iron construction and precise machining contribute to long service life under normal operating conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship. Refer to Dorman's warranty policy for detailed terms and conditions.