Dorman W104391 Drum Brake Wheel Cylinder - Rear Right

Reliable Drum Brake Wheel Cylinder for Ford Escort and Mercury Lynx

The Dorman W104391 drum brake wheel cylinder is engineered to restore proper braking function in select Ford and Mercury vehicles. Designed with durable cast iron and precise specifications, this component ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake system bleeding
• Constructed from cast iron for strength and durability
• Bore diameter of 0.813 inches for accurate fitment
• Brake component inlet thread size: 3/8-24 inches
• Thread diameter of 3/8 inch for secure installation
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W104391 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its bore diameter of 0.813 inches is designed to match the original equipment specifications, ensuring proper hydraulic pressure within the brake system. The included bleeder screw simplifies maintenance by allowing trapped air to be released, which is critical for maintaining brake responsiveness. Thread sizes of 3/8-24 inches for the brake component inlet and 3/8 inch for the thread diameter ensure compatibility with the brake lines and mounting hardware on compatible vehicles.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with specific Ford and Mercury models, including the Ford Escort, Mercury Lynx, and Mercury LN7. It is intended for use in the rear drum brake assemblies of these vehicles, providing reliable hydraulic function to the brake shoes.

• Restores hydraulic pressure in rear drum brakes
• Addresses brake fluid leaks from worn or damaged cylinders
• Eliminates spongy or unresponsive brake pedal feel
• Prevents uneven brake shoe wear caused by cylinder malfunction
• Helps maintain consistent braking performance and safety

Installation Notes and Tips

When installing the Dorman W104391 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any air pockets. Verify that the bore diameter and thread sizes match the vehicle’s specifications before installation. It is recommended to inspect brake shoes and hardware during replacement to ensure overall brake system integrity. Use appropriate tools to avoid damaging threads and fittings during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W104391 drum brake wheel cylinder undergoes quality checks to ensure proper fit and function. Please refer to Dorman’s warranty policy for specific coverage details.