Dorman W34876 Drum Brake Wheel Cylinder - Rear, Rear Left or Rear Right

Reliable Drum Brake Wheel Cylinder for Dodge, Ford, Mazda, and Mercury

The Dorman W34876 drum brake wheel cylinder is engineered to restore proper brake function on select Dodge, Ford, Mazda, and Mercury vehicles. Designed with durable cast iron construction and a precise 0.813-inch bore diameter, this wheel cylinder ensures consistent hydraulic pressure for safe braking performance.

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

Durable Construction and Precise Specifications

The Dorman W34876 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its 0.813-inch bore diameter is designed to match original equipment specifications, ensuring proper hydraulic pressure and brake shoe movement. The included bleeder screw simplifies brake system maintenance by allowing trapped air to be released efficiently. Thread sizes of 3/8-24 UNF for the brake component inlet and 3/8 inch for the thread diameter ensure compatibility with the brake lines and fittings on compatible vehicles.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with a range of Dodge, Ford, Mazda, and Mercury models, including the Dodge B2300, B2500, B3000, and B4000; Ford Ranger, Mustang, Thunderbird, LTD, and Zephyr; Mazda B2300, B2500, B3000, and B4000; and Mercury Cougar, Marquis, Dart, and Fairmont. The Dorman W34876 is designed to meet the specific hydraulic requirements of these vehicles, making it a suitable replacement part for brake system repairs.

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to uneven brake shoe movement
• Spongy or soft brake pedal caused by air in the brake lines
• Brake drag or sticking caused by seized wheel cylinder pistons
• Corrosion-related failure of original wheel cylinder components

Installation Notes and Tips

When installing the Dorman W34876 drum brake wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely supported. Use the included bleeder screw to properly bleed the brake system after installation to remove any trapped air. Verify that the thread sizes match the brake line fittings to avoid leaks. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance.

Quality Assurance and Warranty Information

Dorman manufactures the W34876 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to reliable brake system operation. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.