Dorman W37782 Drum Brake Wheel Cylinder - Rear Left

Reliable Drum Brake Wheel Cylinder for Ford, Jeep, and Mercury Vehicles

The Dorman W37782 drum brake wheel cylinder is engineered to restore proper brake function in select Ford, Jeep, and Mercury models. Designed with durable cast iron and precise dimensions, this component ensures consistent hydraulic pressure for safe braking performance.

• Includes bleeder screw for easy brake system bleeding
• Cast iron construction for strength and durability
• 0.813 inch bore diameter for accurate fit and function
• Brake line inlet thread diameter of 0.437 inches with 7/16-20 thread size
• Compatible with multiple Ford, Jeep, and Mercury models including Bronco, CJ5, CJ7, Mustang, and Thunderbird

Detailed Product Description

The Dorman W37782 drum brake wheel cylinder is a critical component in the brake hydraulics system, responsible for converting hydraulic pressure into mechanical force to push the brake shoes against the drum. Manufactured from cast iron, this wheel cylinder offers reliable strength and resistance to wear. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, ensuring optimal brake responsiveness. With a bore diameter of 0.813 inches and a brake line inlet thread diameter of 0.437 inches (7/16-20 thread size), this part is designed to meet exact OEM specifications for a secure and leak-free fit.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with a range of Ford, Jeep, and Mercury vehicles, including:

• Ford Bronco and Econoline models (E-100 Econoline, Econoline)
• Jeep CJ5 and CJ7
• Mercury Cougar, Fairmont, LTD, Marquis, Mustang, Thunderbird, and Zephyr

Common Brake Issues Addressed

• Brake fluid leaks from worn or damaged wheel cylinders
• Spongy or unresponsive brake pedal due to air in brake lines
• Uneven brake shoe wear caused by malfunctioning wheel cylinders
• Reduced braking efficiency from corroded or seized components
• Brake noise or dragging due to improper wheel cylinder operation

Installation Notes and Tips

When installing the Dorman W37782 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Use the included bleeder screw to properly bleed the brake system after installation to remove any air pockets. Verify thread compatibility with your brake lines (7/16-20 thread size) and inspect all related hardware for wear or damage. Proper lubrication of moving parts and careful torque application will help maintain long-term performance.

Quality Assurance and Warranty

Dorman manufactures the W37782 wheel cylinder to meet or exceed OEM standards, using cast iron for durability and reliability. The part includes a bleeder screw for maintenance convenience. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.