Dorman W610146 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Chevrolet and GMC Trucks

The Dorman W610146 drum brake wheel cylinder is engineered to restore proper braking function in select Chevrolet and GMC trucks. Designed with durable cast iron and precise dimensions, this wheel cylinder ensures consistent hydraulic pressure for safe and effective braking performance.

• Includes bleeder screw for easy brake system bleeding
• Cast iron construction for strength and durability
• 1.063 inch bore diameter for accurate fit and function
• Brake line inlet thread diameter of 10 mm with M10 x 1.0 thread size
• Compatible with Chevrolet Cheyenne, GMC Sierra 1500, Silverado 1500, and Silverado 2500 models

Technical Details and Specifications

The Dorman W610146 drum brake wheel cylinder features a cast iron casting material that provides reliable resistance to wear and corrosion. The bore diameter measures 1.063 inches, ensuring proper hydraulic pressure within the brake system. 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. This part includes a bleeder screw to facilitate brake fluid bleeding during installation or maintenance, although it does not include a bleeder screw cap.

Compatible Vehicles and Applications

This wheel cylinder is specifically designed for use with the following vehicles:

• Chevrolet Cheyenne
• GMC Sierra 1500
• Chevrolet Silverado 1500
• Chevrolet Silverado 2500

Using the Dorman W610146 ensures proper fitment and brake system performance for these models.

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from worn or damaged wheel cylinders
• Reduced braking efficiency due to cylinder bore wear
• Uneven brake application or dragging brakes
• Brake pedal sponginess caused by air in the brake lines
• Corrosion or damage to original wheel cylinder components

Installation Notes and Tips

When installing the Dorman W610146 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air and maintain hydraulic pressure. Verify thread compatibility with the brake line inlet (M10 x 1.0) to avoid leaks. Inspect brake shoes and drums for wear and replace if necessary to ensure optimal braking performance. Follow manufacturer torque specifications for mounting bolts and fittings.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The W610146 drum brake wheel cylinder is backed by Dorman's quality assurance processes. Please refer to Dorman's official warranty policy for specific coverage details.