Dorman W37222 Drum Brake Wheel Cylinder - Rear Lower or Rear Upper

Reliable Drum Brake Wheel Cylinder for Your Vehicle

The Dorman W37222 drum brake wheel cylinder is engineered to restore proper braking function in compatible vehicles. Designed with durable cast iron and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake system bleeding
• Cast iron construction for strength and durability
• 1.875 inch bore diameter for accurate fitment
• Brake line inlet thread diameter of 0.437 inches
• Brake component inlet thread size 7/16-20
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W37222 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its 1.875 inch bore diameter is designed to match specific drum brake systems, ensuring proper hydraulic pressure and brake shoe movement. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, improving brake responsiveness. The brake line inlet thread diameter of 0.437 inches and the 7/16-20 brake component inlet thread size ensure compatibility with standard brake lines and fittings.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with various makes and models that require a 1.875 inch bore diameter and matching thread sizes. It is commonly used in drum brake systems on trucks, SUVs, and passenger vehicles where reliable brake hydraulics are essential. The Dorman W37222 is suitable for restoring braking performance in vehicles experiencing wheel cylinder wear or failure.

• Eliminates brake fluid leaks from worn or damaged wheel cylinders
• Restores proper brake shoe movement and hydraulic pressure
• Resolves spongy or unresponsive brake pedal issues
• Prevents uneven brake wear caused by faulty wheel cylinders
• Improves overall drum brake system reliability

Installation Notes and Tips

When installing the Dorman W37222 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air pockets. Verify that the brake line inlet threads match the vehicle’s brake lines to avoid leaks. Inspect brake shoes and hardware for wear during installation and replace as necessary to maintain optimal braking performance.

Quality Assurance and Warranty

Dorman manufactures the W37222 wheel cylinder to meet or exceed OEM specifications, providing dependable performance and durability. The product is backed by Dorman’s limited warranty, which covers defects in material and workmanship under normal use conditions.