Dorman W116386 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Mazda 323 and Mercury Tracer

The Dorman W116386 drum brake wheel cylinder is engineered to restore proper braking function for select Mazda and Mercury vehicles. Designed with durable cast iron and precise dimensions, this component ensures consistent hydraulic pressure in your drum brake system.

• Includes bleeder screw for easy brake fluid bleeding
• Cast iron construction for strength and durability
• Brake line inlet thread diameter of 10 mm with M10 x 1.0 thread size
• Bore diameter of 0.688 inches for accurate fitment
• Compatible with Mazda 323 and Mercury Tracer models

Detailed Product Features and Specifications

The Dorman W116386 drum brake wheel cylinder features a cast iron casting material that provides reliable performance under demanding braking conditions. The bore diameter of 0.688 inches is designed to match OEM specifications, ensuring proper hydraulic pressure and brake shoe movement. This wheel cylinder includes a bleeder screw to facilitate brake fluid removal during maintenance, although it does not come with a bleeder screw cap. The brake line inlet thread diameter is 10 mm, with a thread pitch of 1.0 and a brake component inlet thread size of M10 x 1.0, allowing for secure and leak-free brake line connections.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with the following vehicles:

• Mazda 323
• Mercury Tracer

It is designed to replace worn or leaking wheel cylinders in the drum brake system, restoring proper brake function and safety.

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from the wheel cylinder
• Spongy or soft brake pedal feel
• Uneven brake shoe wear
• Reduced braking efficiency in drum brakes
• Brake drag or sticking due to cylinder malfunction

Installation Notes and Tips

When installing the Dorman W116386 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air and maintain hydraulic integrity. Verify thread compatibility with your vehicle’s brake lines (M10 x 1.0 thread size) before installation. Inspect brake shoes and hardware for wear and replace as necessary to ensure optimal braking performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The W116386 wheel cylinder undergoes rigorous quality control to ensure durability and reliable operation. Please refer to Dorman’s warranty policy for specific coverage details.