OE Quality
60-Day Returns

Centric 142.66521 Disc Brake Caliper - Rear Right
Overview of Centric Posi-Quiet Loaded Disc Brake Caliper 142.66521
The Centric Posi-Quiet Loaded Disc Brake Caliper 142.66521 is designed for reliable rear brake performance on select Cadillac, Chevrolet, and GMC models. This remanufactured floating caliper comes with premium phenolic pistons and includes brake pads for a complete braking solution.
- Remanufactured floating disc brake caliper with one phenolic piston
- Includes brake pads and mounting bracket for rear axle installation
- Caliper casting made from lightweight aluminum
- Compatible with rear axle leading position on select Cadillac DeVille, DTS, Chevrolet Silverado 1500, Silverado 1500 Classic, GMC Sierra 1500, and Sierra 1500 Classic
- Features M10-1.00 inlet and bleeder screw thread sizes with banjo inlet fitting
- Includes bleeder screw and mounting bracket; mounting hardware not included
- Caliper piston diameter of 54 mm (2.126 inches) for consistent braking force
Product Line Details: Centric Posi-Quiet Loaded Disc Brake Calipers
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, providing a quieter braking experience. The 142.66521 model includes pre-installed brake pads and a mounting bracket, streamlining the replacement process for rear brake systems on compatible vehicles.
Technical Description and Features
This disc brake caliper features a floating design with a single phenolic piston, which helps reduce heat transfer to the brake fluid and improves overall brake system durability. The aluminum caliper casting reduces unsprung weight, contributing to better vehicle handling. The caliper is designed for the rear axle leading position and includes a bleeder screw with M10-1.00 thread size for easy brake fluid bleeding. The inlet fitting uses a banjo type connection with a 10 mm thread diameter, ensuring compatibility with factory brake lines.
Applications and Problem Solving
- Replacement for worn or leaking rear disc brake calipers on Cadillac DeVille and DTS models
- Restores braking performance on Chevrolet Silverado 1500 and Silverado 1500 Classic rear brakes
- Addresses brake noise and vibration issues with Posi-Quiet technology
- Solves piston corrosion and caliper sticking problems with phenolic piston material
- Provides a complete rear brake caliper assembly including pads and mounting bracket
Installation Notes and Tips
- Verify compatibility with your vehicle’s rear axle leading position before installation
- Use the included mounting bracket and bleeder screw for proper assembly
- Brake pads are pre-installed, but inspect pad condition before use
- Mounting hardware is not included; reuse existing hardware or purchase separately
- Bleed the brake system thoroughly after installation to remove air
Quality Assurance and Warranty
This Centric Posi-Quiet Loaded Disc Brake Caliper 142.66521 is remanufactured to meet OEM standards and undergoes rigorous testing to ensure reliable performance. The phenolic piston material and aluminum casting contribute to durability and corrosion resistance. Warranty coverage details should be confirmed with the parts provider or manufacturer.
| Brand | Centric |
|---|---|
| Part Number | 142.66521 |
| Position | Centric Posi-Quiet Loaded Disc Brake Calipers, Rear Right |
| Inlet Thread Diameter | 10.000 |
| Mounting Hardware Included | No |
| Pads Included | Yes |
| Caliper Casting Material | Aluminum |
| Piston Quantity | 1 |
| Caliper Type | Floating |
| Friction Materials Standards Institute Pad Number | 10x.07920 |
| Bleeder Screw Thread Diameter | 10.000 |
| Piston Diameter | 2.126 |
| Piston Diameter | 54.000 |
| Inlet Fitting Type | Banjo |
| Mounting Bracket Included | Yes |
| Piston Material | Phenolic |
| Inlet Thread Size | M10-1.00 |
| Bleeder Screw Thread Size | M10-1.00 |
| Axle Leading/Trailing [cntrc] | Leading |
| Bare Bracket Weight [cntrc] lbs | 3.91 |
| Bleeder Screw Included [cntrc] | Yes |
| Bracket # [cntrc] | Na |
| Bracket Required [cntrc] | Yes |
| Caliper Boot & Seal Kit# [cntrc] | 143.66012 |
| Caliper Manufacturer [cntrc] | Pbr |
| Car Position [cntrc] | Rear |
| Hardware Kit# [cntrc] | 117.66018 |
| New or Ramanufactured [cntrc] | Remanufactured |
| Published Bore Size [cntrc] | 54 |
| Root Core# [cntrc] | 66521 |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Cadillac | DTS | Rear Right | Hearse & Limo; Centric Posi-Quiet Loaded Disc Brake Calipers | |||
| 2010 | Cadillac | DTS | Rear Right | Hearse & Limo; Centric Posi-Quiet Loaded Disc Brake Calipers | |||
| 2009 | Cadillac | DTS | Rear Right | Hearse & Limo; Centric Posi-Quiet Loaded Disc Brake Calipers | |||
| 2008 | Cadillac | DTS | Rear Right | Hearse & Limo; Centric Posi-Quiet Loaded Disc Brake Calipers | |||
| 2007 | Cadillac | DTS | Rear Right | Hearse & Limo; Centric Posi-Quiet Loaded Disc Brake Calipers | |||
| 2007 | Chevrolet | Silverado 1500 Classic | WT | Rear Right | Fitment for GMT 800 Disc Brake Caliper.; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2007 | Chevrolet | Silverado 1500 Classic | LT | Rear Right | Fitment for GMT 800 Disc Brake Caliper.; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2007 | GMC | Sierra 1500 Classic | WT | Rear Right | Fitment for GMT 800 Disc Brake Caliper.; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2007 | GMC | Sierra 1500 Classic | SLT | Rear Right | Fitment for GMT 800 Disc Brake Caliper.; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2007 | GMC | Sierra 1500 Classic | SLE | Rear Right | Fitment for GMT 800 Disc Brake Caliper.; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2007 | GMC | Sierra 1500 Classic | SL | Rear Right | Fitment for GMT 800 Disc Brake Caliper.; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2007 | GMC | Sierra 1500 Classic | Denali | Rear Right | Fitment for GMT 800 Disc Brake Caliper.; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2006 | Cadillac | DTS | Rear Right | Hearse & Limo; Centric Posi-Quiet Loaded Disc Brake Calipers | |||
| 2006 | Chevrolet | Silverado 1500 | Hybrid | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2006 | GMC | Sierra 1500 | Hybrid | Extended Cab Pickup | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2005 | Cadillac | DeVille | Sedan | Rear Right | Heavy Duty; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2005 | Cadillac | DeVille | Limousine | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2005 | Chevrolet | Silverado 1500 | Hybrid | Extended Cab Pickup | RWD | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers |
| 2005 | Chevrolet | Silverado 1500 | Hybrid | Extended Cab Pickup | 4WD | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers |
| 2005 | GMC | Sierra 1500 | Hybrid | Extended Cab Pickup | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2004 | Cadillac | DeVille | Limousine | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2004 | Chevrolet | Silverado 1500 | Z71 | Extended Cab Pickup | Rear Right | 2 Wheel Steering; exc HD Pkg; Standard Duty; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2004 | Chevrolet | Silverado 1500 | WT | Extended Cab Pickup | Rear Right | 2 Wheel Steering; exc HD Pkg; Standard Duty; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2004 | Chevrolet | Silverado 1500 | Standard Cab Pickup | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2004 | Chevrolet | Silverado 1500 | LT | Extended Cab Pickup | Rear Right | 2 Wheel Steering; exc HD Pkg; Standard Duty; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2004 | Chevrolet | Silverado 1500 | LS | Extended Cab Pickup | Rear Right | 2 Wheel Steering; exc HD Pkg; Standard Duty; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2004 | Chevrolet | Silverado 1500 | Hybrid | Extended Cab Pickup | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2004 | Chevrolet | Silverado 1500 | Base | Extended Cab Pickup | Rear Right | 2 Wheel Steering; exc HD Pkg; Standard Duty; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2004 | GMC | Sierra 1500 | Standard Cab Pickup | Rear Right | Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2004 | GMC | Sierra 1500 | Extended Cab Pickup | Rear Right | Standard Duty Susp; 2 Wheel Steering; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2003 | Chevrolet | Silverado 1500 | Standard Cab Pickup | Rear Right | 2 Wheel Steering; 325mm Rear Disc; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2003 | Chevrolet | Silverado 1500 | Extended Cab Pickup | Rear Right | 2 Wheel Steering; 325mm Rear Disc; Centric Posi-Quiet Loaded Disc Brake Calipers | ||
| 2003 | GMC | Sierra 1500 | Standard Cab Pickup | RWD | Rear Right | 2 Wheel Steering; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2003 | GMC | Sierra 1500 | Extended Cab Pickup | RWD | Rear Right | 2 Wheel Steering; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2003 | GMC | Sierra 1500 | Standard Cab Pickup | 4WD | Rear Right | 2 Wheel Steering; Centric Posi-Quiet Loaded Disc Brake Calipers | |
| 2003 | GMC | Sierra 1500 | Extended Cab Pickup | 4WD | Rear Right | 2 Wheel Steering; Centric Posi-Quiet Loaded Disc Brake Calipers |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.