Dorman W4876 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Accurate Brake Performance

The Dorman W4876 drum brake wheel cylinder is engineered to restore proper braking function in compatible vehicles. Featuring a durable cast iron construction and precise bore diameter, this component ensures consistent hydraulic pressure for safe and effective drum brake operation.

• Includes bleeder screw for easy brake fluid 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 (part number W4876)

Detailed Product Description and Specifications

The Dorman W4876 drum brake wheel cylinder is designed with a 0.875 inch bore diameter, providing the precise hydraulic pressure needed for drum brake systems. Made from cast iron, this wheel cylinder offers reliable strength and resistance to wear under typical braking conditions. The included bleeder screw simplifies the brake bleeding process, although a bleeder screw cap is not included. The brake component inlet thread size is 3/8-24 inches, and the thread diameter measures 3/8 inch, ensuring compatibility with standard brake line fittings. This part is ideal for restoring braking performance in vehicles requiring this specific wheel cylinder size and thread configuration.

Common Applications and Issues Addressed

• Restores braking pressure in drum brake systems with leaking or damaged wheel cylinders
• Eliminates brake fluid leaks caused by worn or corroded cylinder bores
• Resolves uneven brake application or dragging brakes due to faulty wheel cylinders
• Prevents brake failure related to compromised hydraulic components
• Supports maintenance and repair of rear drum brakes on compatible vehicles

Installation Notes and Tips

• Ensure the brake system is fully depressurized before removal
• Use the included bleeder screw to properly bleed air from the brake lines after installation
• Inspect brake shoes and hardware for wear during replacement
• Verify thread compatibility with existing brake lines before installation
• Follow vehicle-specific service manual instructions for torque specifications and procedures

Quality Assurance and Warranty Information

Dorman manufactures the W4876 drum brake wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction provides durability under normal operating conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete terms and conditions.