Dorman W28804 Drum Brake Wheel Cylinder - Rear or Rear Left

Reliable Drum Brake Wheel Cylinder for Ford and Mercury Vehicles

The Dorman W28804 drum brake wheel cylinder is engineered to restore proper braking function in select Ford and Mercury models. Designed with durable cast iron and precise specifications, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake system bleeding
• Constructed from cast iron for strength and durability
• Bore diameter of 0.906 inches for accurate fitment
• Brake component inlet thread size: 3/8-24 inches
• Thread diameter: 3/8 inch
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W28804 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its 0.906-inch bore diameter is designed to match the original equipment specifications for a secure and reliable fit. The included bleeder screw simplifies brake fluid maintenance, although the bleeder screw cap is not included. Thread sizes of 3/8-24 inches for the brake component inlet and 3/8 inch for the thread diameter ensure compatibility with the brake lines on compatible vehicles.

Compatible Ford and Mercury Models

This drum brake wheel cylinder is compatible with several Ford and Mercury vehicles, including the Ford Mustang, Cougar, Thunderbird, and the Mercury Montego. The part number W28804 corresponds specifically to these models, making it a suitable replacement for restoring brake hydraulics in these vehicles.

Common Brake Issues Addressed

• Leaking or damaged wheel cylinders causing brake fluid loss
• Uneven or reduced braking performance in drum brake systems
• Brake pedal sinking or sponginess due to hydraulic failure
• Corroded or worn internal components affecting brake pressure
• Brake fluid contamination leading to cylinder malfunction

Installation Notes and Tips

When installing the Dorman W28804 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air pockets. Verify thread compatibility with your vehicle’s brake lines before installation. It is recommended to inspect brake shoes and hardware during replacement to maintain overall brake system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W28804 drum brake wheel cylinder comes with a limited warranty covering defects in material and workmanship, ensuring confidence in your replacement part.