Dorman W131373 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Mazda Protege

The Dorman W131373 drum brake wheel cylinder is engineered to restore proper braking function for Mazda Protege models. Designed with durable cast iron and precise specifications, this component ensures consistent hydraulic pressure within the brake system.

• Includes bleeder screw for easy brake fluid 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 0.75 inches for accurate fitment
• Constructed from cast iron for strength and longevity
• Package contains one drum brake wheel cylinder

Technical Details and Specifications

The Dorman W131373 wheel cylinder is specifically designed for the Mazda Protege, ensuring compatibility and reliable performance. Its cast iron construction provides resistance to wear and corrosion, critical for maintaining brake system integrity. The bore diameter of 0.75 inches matches OEM specifications, allowing for proper piston movement and hydraulic pressure. The included bleeder screw simplifies maintenance by enabling efficient removal of air from the brake lines. The brake line inlet thread diameter of 10 mm and M10 x 1.0 thread size with a 1.0 pitch ensure secure connections within the brake hydraulics.

Common Applications and Problem Resolution

• Restores braking performance by replacing leaking or seized wheel cylinders
• Eliminates brake fluid leaks that cause reduced hydraulic pressure
• Addresses uneven brake shoe wear due to faulty wheel cylinder operation
• Prevents brake drag caused by sticking pistons
• Improves overall brake system responsiveness on Mazda Protege vehicles

Installation Notes and Tips

When installing the Dorman W131373 drum brake wheel cylinder, ensure the brake system is fully depressurized. Use the included bleeder screw to properly bleed air from the brake lines after installation. Verify thread compatibility with the brake line inlet (M10 x 1.0) before assembly. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance. Proper torque specifications should be followed to avoid damage to the casting or threads.

Quality Assurance and Warranty Information

Dorman manufactures the W131373 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction is tested for durability under typical operating conditions. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship for a specified period. Always consult warranty documentation for detailed terms and conditions.