Dorman W18009 Drum Brake Wheel Cylinder - Rear, Rear Left or Rear Right

Reliable Drum Brake Wheel Cylinder for Your Vehicle

The Dorman W18009 drum brake wheel cylinder is engineered to restore proper brake function in compatible vehicles. Designed with durable cast iron and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe braking performance.

• Includes bleeder screw for easy brake bleeding
• Cast iron construction for strength and durability
• 1.125 inch bore diameter for accurate fitment
• Brake line inlet thread diameter of 0.437 inches
• Brake component inlet thread size 7/16-20 UNF
• Package contains one drum brake wheel cylinder

Durable Construction and Precise Specifications

The Dorman W18009 wheel cylinder features a cast iron casting material that provides long-lasting resistance to wear and corrosion. Its 1.125 inch bore diameter is designed to match specific vehicle brake systems, ensuring proper hydraulic pressure and smooth brake operation. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake lines, improving brake responsiveness. The brake line inlet thread diameter of 0.437 inches and the 7/16-20 UNF brake component inlet thread size ensure compatibility with standard brake lines and fittings.

Common Applications and Problem Resolution

This drum brake wheel cylinder is commonly used in various vehicle makes and models requiring a 1.125 inch bore diameter and compatible thread sizes. It is designed to address issues such as:

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to cylinder bore wear
• Spongy brake pedal caused by trapped air in brake lines
• Uneven brake shoe wear from malfunctioning wheel cylinders
• Brake drag or sticking caused by corroded internal components

Installation Notes and Tips

When installing the Dorman W18009 wheel cylinder, ensure the brake system is fully depressurized and the vehicle is securely lifted. Use the included bleeder screw to properly bleed the brake system after installation to remove any air pockets. Verify that the brake line inlet threads match the vehicle’s brake lines to avoid leaks. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W18009 wheel cylinder undergoes rigorous quality control to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship for a defined period. Refer to Dorman’s official documentation for exact warranty terms.