Centric 142.66503 Disc Brake Caliper - Rear Right

Overview of Centric Posi-Quiet Loaded Disc Brake Caliper 142.66503

The Centric Posi-Quiet Loaded Disc Brake Caliper 142.66503 is designed for reliable rear brake performance on select Cadillac, Chevrolet, and GMC models. This remanufactured floating caliper includes premium phenolic pistons and comes with brake pads and mounting brackets for a comprehensive replacement solution.

• Compatible with rear axle positions on Cadillac DeVille, Chevrolet Silverado 1500, Tahoe, Suburban 1500, GMC Sierra 1500, Yukon XL 1500, and more
• Includes phenolic piston for improved heat resistance and reduced brake fluid vapor lock
• Constructed from lightweight aluminum casting for corrosion resistance
• Comes with brake pads and mounting bracket included for easier installation
• Features a single piston design with a 54mm bore diameter
• Equipped with bleeder screw and banjo inlet fitting with M10-1.00 thread size

Centric Posi-Quiet Loaded Disc Brake Calipers Product Line

The Centric Posi-Quiet Loaded Disc Brake Calipers line focuses on delivering remanufactured calipers that meet or exceed OEM specifications. These calipers are engineered to reduce noise and vibration while providing consistent braking performance. The 142.66503 model benefits from this line’s emphasis on quality materials such as phenolic pistons and aluminum castings, ensuring durability and reliable operation on rear brake applications for various GM trucks and SUVs.

Detailed Product Description

This Centric disc brake caliper is a floating type designed for rear axle leading positions. It features a 54mm piston diameter made from phenolic material, which helps reduce heat transfer to the brake fluid, minimizing the risk of vapor lock. The aluminum caliper casting offers corrosion resistance and reduced weight compared to traditional cast iron. The caliper includes a bleeder screw with M10-1.00 thread size and a banjo-style inlet fitting for brake line connection. This remanufactured unit comes with brake pads and a mounting bracket, but mounting hardware is not included. The caliper is compatible with a range of GM vehicles including the Chevrolet Avalanche 1500, GMC Sierra 1500 HD, and Cadillac DeVille.

Common Applications and Issues Addressed

• Replacement for worn or leaking rear disc brake calipers on compatible GM trucks and SUVs
• Resolves brake noise and vibration issues with Posi-Quiet design
• Addresses brake fluid contamination or piston corrosion problems
• Improves braking performance and pedal feel on vehicles with original caliper wear
• Restores proper brake pad alignment and caliper function

Installation Notes and Tips

• Ensure compatibility with your specific make, model, and rear axle position before installation
• Use the included mounting bracket and pads for a complete assembly; additional hardware kit 117.66009 may be required
• Bleed the brake system thoroughly after installation to remove air from the lines
• Inspect brake lines and fittings for wear or damage during installation
• Follow manufacturer torque specifications for mounting bolts and fittings

Quality Assurance and Warranty

This Centric Posi-Quiet Loaded Disc Brake Caliper 142.66503 is a remanufactured product meeting OEM standards for fit, form, and function. It is manufactured by PBR and includes a bleeder screw and mounting bracket for convenience. While specific warranty details are not provided here, Centric products typically come with a limited warranty covering defects in materials and workmanship. Refer to Centric’s official warranty policy for complete terms.