Dorman W37157 Drum Brake Wheel Cylinder - Rear Upper

Reliable Drum Brake Wheel Cylinder for Precise Brake Performance

The Dorman W37157 drum brake wheel cylinder is engineered to restore proper brake hydraulics in compatible vehicles. Designed with durable cast iron and a 1.5-inch bore diameter, this wheel cylinder ensures consistent braking force and reliable operation for your drum brake system.

• Includes bleeder screw for easy brake fluid bleeding
• Constructed from cast iron for strength and durability
• 1.5-inch bore diameter for accurate hydraulic pressure
• Brake component inlet thread size of 3/8-24 inches
• Thread diameter of 3/8 inch for secure fitment
• Package contains one drum brake wheel cylinder (part number W37157)

Durable Construction and Precise Specifications

This Dorman drum brake wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. The 1.5-inch bore diameter is designed to deliver consistent hydraulic pressure to the brake shoes, ensuring smooth and effective braking. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, improving brake responsiveness. With a brake component inlet thread size of 3/8-24 inches and a thread diameter of 3/8 inch, this wheel cylinder is engineered for secure and leak-free installation.

Compatible Vehicles and Common Applications

The Dorman W37157 wheel cylinder is compatible with various vehicle makes and models that utilize drum brake systems requiring a 1.5-inch bore diameter cylinder. It is commonly used in older trucks and passenger vehicles where drum brakes are still employed on rear wheels. This part number is often sought for restoring brake hydraulics on vehicles such as Ford F-Series trucks, Chevrolet C/K trucks, and Dodge Ram models from specific years. Always verify fitment with your vehicle's specifications before purchase.

• Restores brake pressure loss due to worn or leaking wheel cylinders
• Eliminates brake fluid leaks at the wheel cylinder
• Resolves spongy or unresponsive brake pedal feel
• Prevents uneven brake shoe wear caused by cylinder malfunction
• Addresses brake dragging or sticking issues related to cylinder pistons

Installation Notes and Tips

When installing the Dorman W37157 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 air from the brake lines after installation. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance. Tighten all fittings to manufacturer torque specifications to prevent leaks.

Quality Assurance and Warranty Information

Dorman manufactures the W37157 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to reliable brake system operation. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use conditions.