Dorman W37585 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for GM Vehicles

The Dorman W37585 drum brake wheel cylinder is engineered to restore proper braking function in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with durable cast iron construction and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe stopping performance.

• Includes bleeder screw for easy brake system bleeding
• Cast iron casting material for strength and durability
• 0.75 inch bore diameter for accurate fit and function
• Brake line inlet thread diameter of 10 mm with M10 x 1.0 thread size and 1.0 thread pitch
• Package contains one drum brake wheel cylinder

Product Details and Specifications

The Dorman W37585 wheel cylinder features a 0.75 inch bore diameter, which is critical for maintaining proper hydraulic pressure within the drum brake system. Its cast iron construction provides resistance to wear and corrosion, extending the service life of the component. The included bleeder screw simplifies brake fluid bleeding, helping to remove air from the brake lines and ensuring optimal brake responsiveness. The brake line inlet thread size is M10 x 1.0 with a 10 mm diameter and 1.0 thread pitch, matching factory specifications for compatible vehicles.

Compatible Vehicles and Applications

This drum brake wheel cylinder is compatible with a range of General Motors vehicles, including:

• Buick Century and Regal models
• Cadillac DeVille and Fleetwood
• Chevrolet Celebrity and 6000
• Oldsmobile 98
• Pontiac Cutlass Ciera

Use the Dorman W37585 to replace worn or leaking wheel cylinders in these specific models to maintain braking efficiency and safety.

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from the wheel cylinder
• Spongy or soft brake pedal feel
• Uneven brake application or reduced stopping power
• Brake drag caused by sticking pistons
• Corrosion or damage to the original wheel cylinder

Installation Notes and Tips

When installing the Dorman W37585 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air pockets. Verify thread compatibility with the brake line inlet to avoid leaks. Inspect brake shoes and hardware for wear during replacement to maintain overall brake system performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W37585 wheel cylinder is backed by Dorman's quality assurance processes. Please refer to Dorman's official warranty policy for specific coverage details.