Centric 134.64005 Drum Brake Wheel Cylinder - Rear or Rear Left

Reliable Drum Brake Wheel Cylinder for Classic GM Vehicles

The Centric Premium Wheel Cylinders 134.64005 is engineered to restore precise braking performance on select Buick, Chevrolet, GMC, and Oldsmobile models. Designed for drum brake systems, this wheel cylinder ensures consistent hydraulic pressure and smooth operation.

• Attachment Type: Bolted for secure mounting
• Mounting Method: 2 bolts with 2 mounting holes
• Bore Diameter: 1.000 inch (25.40 mm) for accurate fit
• Piston Quantity: Dual piston design for balanced braking
• Inlet Thread Diameter: 0.375 inch with 24 pitch inverted flare fitting
• Bleeder Screw Included for easy brake bleeding
• Position: Left side application
• Weight: Approximately 1.1 lbs (0.5 kgs)

About Centric Premium Wheel Cylinders

The Centric Premium Wheel Cylinders line focuses on delivering high-quality brake hydraulics that meet or exceed OEM specifications. This product line emphasizes durability and precise fitment, making it suitable for restoring braking systems on classic and late-model vehicles. The 134.64005 wheel cylinder is part of this line, offering reliable performance for drum brake applications on various GM trucks and passenger cars.

Product Details and Specifications

This drum brake wheel cylinder features a bolted attachment type with two mounting bolts, ensuring a secure and stable installation. The bore diameter measures exactly 1 inch (25.40 mm), matching factory dimensions for proper piston movement. It includes two pistons to evenly distribute hydraulic pressure, improving brake response and safety. The inlet fitting uses a 0.375-inch thread diameter with a 24 pitch inverted flare, compatible with standard brake lines. Additionally, the included bleeder screw simplifies maintenance by allowing air to be purged from the brake system.

Compatible Vehicles and Applications

• Buick models including Century, LeSabre, Riviera, and Roadmaster
• Chevrolet models such as Bel Air, C10 Suburban, El Camino, Impala, and Corvette
• GMC trucks including Jimmy, K10 Suburban, and Blazer
• Oldsmobile models like Delta 88 and Starfire

Common Issues Addressed by This Wheel Cylinder

• Brake fluid leaks from worn or damaged wheel cylinders
• Uneven brake pressure causing pulling or reduced stopping power
• Spongy brake pedal due to air in the hydraulic system
• Corroded or seized pistons impairing brake function
• Difficulty bleeding brakes without a proper bleeder screw

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Remove the drum brake assembly carefully to access the wheel cylinder. Use the included bleeder screw to properly purge air from the brake lines after installation. Verify the left-side position of this wheel cylinder matches your vehicle’s configuration. Tighten the two mounting bolts to manufacturer torque specifications to avoid leaks or movement.

Quality Assurance and Warranty

Centric Premium Wheel Cylinders are manufactured to meet strict quality standards, ensuring reliable performance and durability. This wheel cylinder is constructed from corrosion-resistant materials and precision-machined components. While specific warranty details may vary, Centric typically offers coverage against defects in materials and workmanship to support long-term use.