Dorman W73621 Drum Brake Wheel Cylinder - Rear Left or Rear Right

Reliable Drum Brake Wheel Cylinder for Ford and Mercury Vehicles

The Dorman W73621 drum brake wheel cylinder is designed to restore proper braking function in select Ford and Mercury models. Engineered with durable cast iron and a precise 0.938-inch bore diameter, 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
• 0.938-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 W73621 wheel cylinder is specifically designed for drum brake systems on Ford F-100, Mercury Cougar, and Mercury Montego models. Its cast iron construction provides resistance to wear and corrosion, extending the service life of the brake hydraulics. The included bleeder screw allows for straightforward brake fluid bleeding, helping maintain optimal brake performance. With a bore diameter of 0.938 inches and a brake component inlet thread size of 3/8-24 inches, this part meets the precise specifications required for compatible vehicles.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with the following vehicles:

• Ford F-100
• Mercury Cougar
• Mercury Montego

It is intended for use in drum brake hydraulic systems to address issues such as brake fluid leaks, reduced braking efficiency, and uneven brake application.

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leakage from worn or damaged wheel cylinders
• Spongy or soft brake pedal feel due to hydraulic pressure loss
• Uneven brake shoe wear caused by inconsistent wheel cylinder operation
• Reduced braking performance in drum brake systems
• Brake drag or sticking caused by seized wheel cylinders

Installation Notes and Tips

When installing the Dorman W73621 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 the brake line fittings, noting the 3/8-24 inch inlet thread size and 3/8 inch thread diameter. Inspect brake shoes and drums for wear or damage during installation to ensure optimal braking performance.

Quality Assurance and Warranty

Dorman manufactures this wheel cylinder to meet or exceed OEM specifications, using cast iron for durability and reliable performance. The part number W73621 is backed by Dorman's quality standards, providing confidence in fit and function for Ford and Mercury drum brake systems. Warranty details are available through Dorman and should be confirmed at the time of purchase.