Dorman W37539 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Chevrolet, Honda, and Isuzu

The Dorman W37539 drum brake wheel cylinder is engineered to restore proper braking function for select Chevrolet, Honda, and Isuzu models. Designed with durable cast iron construction and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure and reliable performance.

• Includes bleeder screw for easy brake bleeding
• Brake line inlet thread diameter: 10 mm
• Brake component inlet thread size: M10 x 1.0 with 1.0 thread pitch
• Bore diameter of 1 inch for accurate fitment
• Constructed from cast iron for strength and durability
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W37539 wheel cylinder features a cast iron casting material that provides long-lasting durability under demanding braking conditions. Its 1-inch bore diameter and M10 x 1.0 brake line inlet thread size with a 1.0 thread pitch ensure compatibility with the brake hydraulics system of Chevrolet Amigo, Honda Passport, and Isuzu Rodeo models, among others. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake lines, although a bleeder screw cap is not included.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with a range of Chevrolet, Honda, and Isuzu vehicles, including Chevrolet Amigo, LUV, Pickup, Honda Passport, and Isuzu Rodeo, Rodeo Sport, and Trooper. The part number W37539 is specifically designed to meet the brake hydraulics requirements of these models, ensuring proper fit and function.

• Restores braking pressure in drum brake systems
• Addresses brake fluid leaks from worn or damaged cylinders
• Eliminates spongy or unresponsive brake pedal feel
• Prevents uneven brake shoe wear caused by cylinder failure
• Helps maintain safe and consistent braking performance

Installation Notes and Tips

When installing the Dorman W37539 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 the brake line inlet (M10 x 1.0) before installation. Inspect brake shoes and hardware for wear and replace as necessary to ensure optimal braking performance.

Quality Assurance and Warranty

Dorman manufactures the W37539 wheel cylinder to meet or exceed OEM specifications for fit, form, and function. The cast iron construction provides reliable durability under normal operating conditions. This part is backed by Dorman's standard warranty coverage, providing confidence in its quality and performance for Chevrolet, Honda, and Isuzu drum brake systems.