Dorman W37811 Drum Brake Wheel Cylinder - Rear Right Lower

Reliable Drum Brake Wheel Cylinder for Precise Braking

The Dorman W37811 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with durable cast iron construction and precise bore dimensions, this component ensures consistent hydraulic pressure for safe stopping performance.

• Cast iron casting material for strength and durability
• 1.75 inch bore diameter for accurate hydraulic operation
• Brake line inlet thread diameter of 0.437 inches
• Brake component inlet thread size: two 7/16-24 threads
• Includes one drum brake wheel cylinder per package
• No bleeder screw or bleeder screw cap included

Durable Construction and Precise Specifications

The Dorman W37811 wheel cylinder features a robust cast iron body designed to withstand the rigors of brake hydraulics. Its 1.75 inch bore diameter provides the necessary piston size to maintain proper brake fluid pressure within the drum brake system. The brake line inlet thread diameter of 0.437 inches and dual 7/16-24 inlet threads ensure compatibility with specific brake line fittings. This part is ideal for vehicles requiring a reliable replacement drum brake wheel cylinder that meets OEM specifications.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with various makes and models that utilize a 1.75 inch bore diameter and the specified thread sizes. It is commonly used in older domestic and import vehicles equipped with drum brake systems. For example, it fits certain Ford, Chevrolet, and Dodge models from the 1980s and 1990s. Always verify fitment with your vehicle’s specifications before purchase.

• Restores proper hydraulic pressure in drum brake systems
• Eliminates brake drag or uneven braking caused by worn cylinders
• Prevents brake fluid leaks from damaged or corroded wheel cylinders
• Addresses spongy or soft brake pedal feel due to cylinder failure
• Helps maintain balanced braking performance on rear drum brakes

Installation Notes and Tips

When installing the Dorman W37811 drum brake wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely supported. Clean the backing plate and brake components before installation to prevent contamination. Since this part does not include a bleeder screw or cap, use the existing hardware or source compatible replacements. After installation, bleed the brake system thoroughly to remove air and verify proper brake pedal feel.

Quality Assurance and Warranty

Dorman manufactures the W37811 wheel cylinder to meet or exceed industry standards for brake hydraulics. The cast iron construction provides long-lasting durability under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.