Dorman W8266 Drum Brake Wheel Cylinder - Rear Left

Reliable Drum Brake Wheel Cylinder for Accurate Brake Performance

The Dorman W8266 drum brake wheel cylinder is engineered to restore proper braking function in compatible vehicles. Designed with durable cast iron construction and precise bore diameters, this wheel cylinder ensures consistent hydraulic pressure for safe and effective drum brake operation.

• Includes bleeder screw for easy brake system bleeding
• Cast iron casting material for strength and durability
• Available bore diameters: 1 inch and 1.125 inches
• Brake line inlet thread diameter of 0.437 inches
• Brake component inlet thread size: 7/16-24 UNS
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W8266 drum brake wheel cylinder is a critical component in the brake hydraulics system, designed to convert hydraulic pressure into mechanical force to push the brake shoes against the drum. Constructed from cast iron, this wheel cylinder offers reliable resistance to wear and corrosion. It features a bleeder screw included to facilitate the removal of air from the brake lines, ensuring optimal brake responsiveness. The product supports two bore diameter options, 1 inch and 1.125 inches, accommodating specific vehicle requirements. The brake line inlet thread diameter measures 0.437 inches, with a brake component inlet thread size of 7/16-24 UNS, providing compatibility with standard brake lines.

Compatible Vehicles and Applications

This Dorman W8266 wheel cylinder is compatible with various makes and models that require a drum brake wheel cylinder with the specified bore diameters and thread sizes. It is commonly used in older domestic and import vehicles equipped with drum brakes on the rear axle. For example, it fits certain Ford, Chevrolet, and Dodge models that utilize a 1 to 1.125 inch bore diameter wheel cylinder.

• Restores braking power by eliminating leaks in the wheel cylinder
• Resolves brake pedal sponginess caused by air in the brake lines
• Fixes uneven brake shoe wear due to malfunctioning wheel cylinders
• Prevents brake fluid leaks that can lead to brake failure
• Addresses rear drum brake dragging or sticking issues

Installation Notes and Tips

When installing the Dorman W8266 drum brake 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 trapped air. Verify the bore diameter and thread sizes match the vehicle’s specifications before installation. It is recommended to inspect brake shoes and drums for wear and replace if necessary during the wheel cylinder replacement.

Quality Assurance and Warranty

Dorman manufactures the W8266 wheel cylinder to meet or exceed OEM specifications, using cast iron for durability and long service life. The product undergoes rigorous quality control to ensure reliable performance in brake hydraulics systems. Warranty details are available through Dorman and typically cover defects in material and workmanship under normal use.