Centric 134.62040 Drum Brake Wheel Cylinder - Front Left

Reliable Drum Brake Wheel Cylinder for Classic GM Vehicles

The Centric Premium Wheel Cylinders 134.62040 is engineered for precise brake hydraulics performance in select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed specifically for drum brake systems, this wheel cylinder ensures consistent braking response and durability.

• Attachment Type: Bolted with 2 mounting bolts
• Inlet Thread Diameter: 0.438 inches
• Bore Diameter: 1.125 inches (28.58 mm)
• Includes bleeder screw for easy brake bleeding
• Two dimpled pistons for balanced hydraulic pressure
• Bubble flare type inlet fitting with 20 pitch thread
• Positioned for left side installation
• Weight: Approximately 1.1 lbs (0.5 kg)

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, making it suitable for restoration and maintenance of classic GM vehicles such as the Chevrolet Camaro and Pontiac Firebird.

Detailed Product Description

This drum brake wheel cylinder, part number 134.62040, is designed for left-side installation and features a bolted attachment method with two mounting holes for secure fitment. The 1.125-inch bore diameter ensures proper hydraulic pressure distribution through its two dimpled pistons, which help maintain even brake shoe contact. The included bleeder screw simplifies brake system maintenance by allowing efficient air removal. The inlet fitting uses a bubble flare type with a 0.438-inch thread diameter and 20 pitch thread, compatible with standard brake lines on classic GM models.

Common Applications and Issues Addressed

• Restores proper brake hydraulic pressure in drum brake systems
• Eliminates brake fluid leaks from worn or damaged wheel cylinders
• Resolves uneven brake shoe wear caused by piston malfunction
• Improves brake pedal feel and responsiveness
• Prevents brake drag and sticking pistons

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before beginning installation
• Use the included bleeder screw to properly bleed the brake system after installation
• Verify the left-side position to avoid incorrect placement
• Inspect brake lines and fittings for compatibility with the 0.438-inch inlet thread diameter and bubble flare type
• Torque mounting bolts to manufacturer specifications to prevent leaks or loosening

Quality Assurance and Warranty

Centric Premium Wheel Cylinders are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part is backed by Centric’s quality assurance protocols, providing confidence in fitment and function for your Buick, Cadillac, Chevrolet, Oldsmobile, or Pontiac vehicle. Please refer to Centric’s warranty policy for specific coverage details.