Centric 134.66017 Drum Brake Wheel Cylinder - Rear

Reliable Drum Brake Wheel Cylinder for Chevrolet and GMC

The Centric Premium Wheel Cylinders 134.66017 is designed specifically for Chevrolet Astro and GMC Safari models. This drum brake wheel cylinder ensures precise hydraulic brake function with durable construction and exact fitment.

Key Features of Centric Premium Wheel Cylinder 134.66017

• Attachment Type: Bolted for secure mounting
• Mounting Method: 2 bolts with 2 mounting holes
• Includes bleeder screw for easy brake bleeding
• Dual flat pistons for balanced brake pressure
• Bore diameter approximately 0.813 inches (13/16")
• Inlet thread diameter of 0.375 inches with 24 pitch thread
• Inverted flare type inlet and port fittings
• Compatible with left and right wheel positions
• Weight: 1.1 lbs (0.5 kgs) for easy handling

Detailed Description of the Centric Premium Wheel Cylinders

The Centric Premium Wheel Cylinders line focuses on delivering reliable brake hydraulics with precision engineering. The 134.66017 part features a bolted attachment type and mounts securely using two bolts, ensuring stable installation on Chevrolet Astro and GMC Safari drum brake systems. It includes a bleeder screw to facilitate proper brake fluid bleeding, which is essential for maintaining brake responsiveness and safety.

This wheel cylinder is equipped with two flat pistons that provide even pressure distribution within the brake drum assembly. The bore diameter measures approximately 0.813 inches (13/16"), matching OEM specifications for consistent performance. The inlet thread diameter is 0.375 inches with a 24 pitch thread, designed for inverted flare fittings on both inlet and port connections, ensuring leak-free hydraulic connections.

Common Applications and Issues Addressed

• Replacement for worn or leaking drum brake wheel cylinders on Chevrolet Astro and GMC Safari
• Resolves brake fluid leaks caused by damaged pistons or seals
• Restores proper hydraulic pressure for consistent braking performance
• Eliminates spongy or unresponsive brake pedal feel
• Prevents uneven brake wear due to malfunctioning wheel cylinders

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 bore diameter and mounting hole alignment for correct fitment
• Inspect brake lines and fittings for damage or corrosion during replacement
• Apply brake fluid compatible with the vehicle manufacturer’s specifications

Quality Assurance and Warranty Information

Centric Premium Wheel Cylinders are manufactured to meet or exceed OEM standards for durability and performance. The 134.66017 wheel cylinder undergoes rigorous quality control to ensure reliable operation in Chevrolet Astro and GMC Safari brake systems. While specific warranty details are not provided here, Centric products typically include a limited warranty against defects in materials and workmanship.