Dorman W37018 Drum Brake Wheel Cylinder - Front Right or Rear Right

Reliable Drum Brake Wheel Cylinder for Buick LeSabre and Riviera

The Dorman W37018 drum brake wheel cylinder is engineered to restore proper braking function in select Buick models. Designed specifically for the Buick LeSabre and Riviera, this component ensures consistent hydraulic pressure within the drum brake system.

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

Durable Construction and Precise Specifications

This Dorman drum brake wheel cylinder features a cast iron casting material, providing robust resistance to wear and corrosion. The 1.125 inch bore diameter is designed to match factory specifications, ensuring proper hydraulic pressure and brake response. The included bleeder screw simplifies maintenance by allowing efficient removal of air from the brake lines. Thread sizes, including a 0.437 inch brake line inlet and 7/16-20 brake component inlet, are engineered for compatibility with the original brake system fittings on Buick LeSabre and Riviera models.

Compatible Buick Models and Part Number Details

This wheel cylinder is compatible with Buick LeSabre and Riviera vehicles, making it a suitable replacement part for maintaining the integrity of the drum brake hydraulics. The part number W37018 identifies this specific Dorman component, ensuring accurate fitment and performance when servicing these models.

Common Brake Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to hydraulic pressure loss
• Spongy or soft brake pedal feel caused by air in brake lines
• Uneven brake shoe wear resulting from cylinder malfunction
• Brake drag or sticking caused by seized wheel cylinder pistons

Installation Notes and Tips

When installing the Dorman W37018 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any trapped air. Verify thread compatibility with existing brake lines and fittings before installation. Inspect brake shoes and hardware for wear and replace as necessary to maintain optimal braking performance.

Quality Assurance and Warranty Information

Dorman manufactures this wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction supports long-term durability under typical operating conditions. Please refer to Dorman's warranty policy for specific coverage details related to this part number W37018.