Dorman W37146 Drum Brake Wheel Cylinder - Front Left

Reliable Drum Brake Wheel Cylinder for Buick LeSabre and Riviera

The Dorman W37146 drum brake wheel cylinder is engineered to restore proper brake hydraulics for select Buick models. Designed specifically for the Buick LeSabre and Riviera, this component ensures consistent braking performance by maintaining hydraulic pressure within the drum brake system.

• Includes bleeder screw for easy brake fluid bleeding
• Constructed from durable cast iron for long-lasting strength
• 1.188 inch bore diameter for precise fit and function
• Brake component inlet thread size of 3/8-24 inches
• Thread diameter of 3/8 inch for secure installation
• Package contains one drum brake wheel cylinder

Detailed Product Description

The Dorman W37146 drum brake wheel cylinder is manufactured from cast iron, providing the necessary durability to withstand the pressures of brake hydraulics. Its 1.188 inch bore diameter is designed to match the specifications required for the Buick LeSabre and Riviera models, ensuring proper piston movement and brake shoe engagement. The included bleeder screw allows for straightforward removal of air from the brake lines, which is critical for maintaining effective braking. The brake component inlet thread size of 3/8-24 inches and thread diameter of 3/8 inch facilitate a secure and leak-free connection within the brake system.

Compatible Applications and Common Issues Addressed

• Compatible with Buick LeSabre and Buick Riviera models requiring a 1.188 inch bore drum brake wheel cylinder
• Replaces worn or leaking wheel cylinders causing brake fluid loss
• Resolves brake drag or uneven braking due to cylinder malfunction
• Addresses spongy brake pedal feel caused by air in the brake lines
• Fixes brake fluid leaks at the wheel cylinder area

Installation Notes and Tips

When installing the Dorman W37146 wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove any trapped air. Verify thread compatibility with the brake lines using the 3/8-24 inch inlet thread size. Inspect brake shoes and hardware for wear during installation to maintain overall brake system integrity. Use appropriate brake fluid and follow manufacturer torque specifications for all fittings.

Quality Assurance and Warranty

Dorman manufactures the W37146 wheel cylinder to meet or exceed OEM standards for fit and function. The cast iron construction provides reliable performance under typical operating conditions. This part is backed by Dorman's quality assurance processes, ensuring consistent manufacturing quality. Please refer to Dorman's official warranty policy for specific coverage details.