Centric 134.62038 Drum Brake Wheel Cylinder - Front Left

Reliable Drum Brake Wheel Cylinder for Classic GM Vehicles

The Centric Premium Wheel Cylinders 134.62038 is engineered for precise brake hydraulics performance in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Designed specifically for drum brake systems, this wheel cylinder ensures consistent braking response and durability.

• Attachment Type: Bolted for secure mounting
• Mounting Method: 2 bolts with 2 mounting holes
• Bore Diameter: 1.125 inches (28.58 mm)
• Includes bleeder screw for easy brake bleeding
• Dual dimpled pistons for balanced hydraulic pressure
• Inlet Thread Diameter: 0.375 inches with 24 pitch inverted flare fitting
• Positioned for left side installation
• Weight: Approximately 1.2 lbs (0.55 kgs)

About Centric Premium Wheel Cylinders

The Centric Premium Wheel Cylinders line focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes precise fitment and quality materials to maintain brake system integrity. The 134.62038 wheel cylinder is part of this line, offering a direct replacement solution for drum brake systems on classic GM vehicles.

Product Details and Specifications

This drum brake wheel cylinder features a 1 1/8 inch bore diameter, which is critical for proper hydraulic pressure and brake shoe movement. The dual dimpled pistons help maintain even pressure distribution within the brake assembly. The bolted attachment type with two mounting holes ensures a secure fit on the left side of the vehicle. The included bleeder screw simplifies maintenance by allowing air to be purged from the brake lines. The inlet fitting uses an inverted flare design with a 0.375 inch thread diameter and 24 pitch, compatible with standard brake lines on the specified GM models.

Compatible Vehicles and Applications

• Buick Cutlass and Cutlass Supreme
• Chevrolet El Camino
• Oldsmobile Cutlass and LeMans
• Pontiac Grand Prix, GTO, Skylark, and Tempest

This wheel cylinder is designed to replace worn or leaking components in the drum brake systems of these vehicles, restoring proper brake function and safety.

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from worn or damaged pistons
• Reduced braking efficiency due to cylinder bore wear
• Uneven brake shoe application causing pulling or noise
• Difficulty bleeding brakes due to missing or faulty bleeder screw
• Corrosion or damage to mounting points affecting cylinder stability

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Remove the old wheel cylinder carefully to avoid brake fluid spillage. Clean the mounting surface and inspect brake lines for damage. Use the included bleeder screw to properly purge air from the brake system after installation. Verify the left side positioning and bolt torque specifications according to the vehicle service manual.

Quality Assurance and Warranty

Centric Premium Wheel Cylinders are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 134.62038 part number undergoes rigorous testing to comply with OEM fit and function requirements. Warranty coverage details should be confirmed with the product documentation or manufacturer.