Dorman W37730 Drum Brake Wheel Cylinder - Rear Left Upper

Reliable Drum Brake Wheel Cylinder for Precise Braking

The Dorman W37730 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.

• Constructed from cast iron for strength and durability
• 1.75-inch bore diameter for accurate hydraulic operation
• Brake line inlet thread diameter of 0.437 inches
• Includes two brake component inlet threads sized 7/16-24
• Package contains one drum brake wheel cylinder without bleeder screw or cap

Durable Cast Iron Construction and Precise Specifications

The Dorman W37730 wheel cylinder features a robust cast iron casting material that withstands the rigors of brake system pressure and heat. Its 1.75-inch bore diameter is designed to provide consistent piston movement within the drum brake assembly. The brake line inlet thread diameter of 0.437 inches and dual 7/16-24 brake component 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 Part Number Details

This drum brake wheel cylinder is compatible with various makes and models that require a 1.75-inch bore diameter and the specified thread sizes. Commonly used in applications for vehicles such as Ford F-150, Chevrolet Silverado, and Dodge Ram models, the Dorman W37730 part number is a direct replacement for worn or leaking wheel cylinders. Always verify fitment with your vehicle’s specifications before purchase.

Common Brake Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from the wheel cylinder
• Spongy or soft brake pedal feel
• Uneven brake shoe wear inside drum brakes
• Reduced braking efficiency or delayed brake response
• Corrosion or damage to the original wheel cylinder

Installation Notes and Tips

When installing the Dorman W37730 drum brake wheel cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic pressure. Since this part does not include a bleeder screw or cap, reuse the existing hardware or source compatible components. Inspect brake shoes and drums for wear during installation and replace as necessary to ensure optimal braking performance.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed industry standards for durability and performance. The W37730 wheel cylinder undergoes rigorous quality control to ensure reliable operation. Please consult Dorman’s warranty policy for specific coverage details related to this part.