Dorman W37034 Drum Brake Wheel Cylinder - Front Right Lower, Front Right Upper or Rear Right Lower

Reliable Drum Brake Wheel Cylinder for Accurate Braking

The Dorman W37034 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 wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

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

Durable Construction and Precise Specifications

The Dorman W37034 wheel cylinder features a cast iron body that withstands the rigors of brake system pressure and heat. Its 1.125 inch bore diameter is designed to match specific drum brake assemblies, ensuring proper piston movement and hydraulic force application. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, improving brake responsiveness. Thread sizes of 0.437 inch for the brake line inlet and 7/16-24 for the component inlet provide compatibility with standard brake fittings.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with various domestic and import vehicles requiring a 1.125 inch bore diameter and matching thread sizes. It is commonly used in rear drum brake systems on models from manufacturers such as Ford, Chevrolet, and Dodge. The Dorman W37034 part number is often sought for replacement in vehicles experiencing brake fluid leaks or reduced braking efficiency due to worn or damaged wheel cylinders.

• Leaking or damaged wheel cylinder causing brake fluid loss
• Spongy or unresponsive brake pedal due to air in brake lines
• Uneven brake shoe wear from inconsistent hydraulic pressure
• Brake dragging or sticking caused by seized wheel cylinder pistons
• Routine brake system maintenance requiring component replacement

Installation Notes and Tips

When installing the Dorman W37034 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 lines after installation to remove any trapped air. Verify thread compatibility with existing brake lines and fittings before assembly. It is recommended to inspect brake shoes and hardware during installation for optimal brake system performance.

Quality Assurance and Warranty

Dorman manufactures the W37034 wheel cylinder to meet or exceed OEM specifications, providing reliable performance and durability. The cast iron construction and precise machining contribute to long service life. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.