Dorman W26172 Drum Brake Wheel Cylinder - Rear Lower or Rear Upper

Reliable Drum Brake Wheel Cylinder Replacement

The Dorman W26172 drum brake wheel cylinder is engineered to restore proper brake hydraulics performance for compatible vehicles. Designed with a durable cast iron construction and a 1.75-inch bore diameter, this wheel cylinder ensures consistent braking pressure and reliable operation.

• Includes bleeder screw for easy brake fluid bleeding
• Constructed from cast iron for strength and durability
• 1.75-inch bore diameter for precise hydraulic function
• Brake component inlet thread size: 3/8-24 inches
• Thread diameter: 3/8 inch
• Package contains one drum brake wheel cylinder

Durable Cast Iron Construction and Precise Specifications

The Dorman W26172 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 the correct hydraulic force needed for drum brake systems. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake lines. Thread sizes of 3/8-24 inches for the brake component inlet and 3/8 inch for the thread diameter ensure compatibility with specific brake system fittings.

Compatible Vehicles and Fitment Details

This drum brake wheel cylinder is compatible with various vehicle makes and models requiring a 1.75-inch bore diameter and matching thread specifications. It is important to verify fitment with your vehicle’s brake system requirements before purchase. The part number W26172 can be referenced when searching for compatible applications or replacement parts.

Common Brake Issues Addressed

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to cylinder bore wear
• Uneven brake shoe application causing pulling or noise
• Brake pedal sponginess from air in the hydraulic system
• Corrosion or damage to original wheel cylinder components

Installation Notes and Tips

When installing the Dorman W26172 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air pockets. Inspect brake shoes and hardware for wear and replace as necessary. Use appropriate thread sealant or brake line fittings compatible with the 3/8-24 inch inlet thread size. Follow vehicle-specific service manual instructions for torque specifications and safety precautions.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The W26172 wheel cylinder undergoes quality checks to ensure durability and performance. Please consult Dorman’s warranty policy for coverage details on this brake hydraulics component.