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R1 Concepts 2551-0922-00 Disc Brake Pad Set - Rear
Rear OE-Style Brake Pads for Select GM Vehicles
R1 Concepts R1 Optimum OE Pads part number 2551-0922-00 are rear disc brake pads for select Cadillac and Pontiac applications. This pad set is built for drivers replacing worn rear pads on vehicles such as the Cadillac CTS, Cadillac STS, and Pontiac Grand Prix.
Key Features
- Rear disc brake pad set for select applications
- R1 Optimum OE Pads line for OE-style replacement fitment
- Application-specific coverage for Cadillac CTS, Cadillac STS, and Pontiac Grand Prix
- Part number 2551-0922-00 for accurate ordering and lookup
Fitment Details
- Fits 2003 Cadillac CTS, rear.
- Fits 2004-2007 Cadillac CTS, rear, standard suspension.
- Fits 2005-2011 Cadillac STS, rear, except performance brakes.
- Fits 2005-2008 Pontiac Grand Prix, rear.
Product Line Overview
The R1 Optimum OE Pads line focuses on direct-fit brake pad replacement for vehicles that need a factory-style rear brake service part. For buyers searching for rear brake pads for 2005-2011 Cadillac STS, rear brake pads for 2004-2007 Cadillac CTS standard suspension, or rear brake pads for 2005-2008 Pontiac Grand Prix, this part number provides a targeted application match.
What It Helps Address
- Squealing or noisy rear brake pads
- Reduced rear braking performance from worn friction material
- Uneven rear pad wear during brake service
- Brake maintenance on Cadillac CTS, Cadillac STS, or Pontiac Grand Prix rear brakes
Installation Notes
Verify rear brake configuration before ordering. This part fits 2005-2011 Cadillac STS, rear, except performance brakes, and 2004-2007 Cadillac CTS, rear, standard suspension. Confirm rotor condition, caliper operation, and pad fitment against the vehicle’s brake setup before installation.
Quality Assurance
R1 Concepts identifies this part as part of its R1 Optimum OE Pads line, built for application-specific replacement use. Part number 2551-0922-00 helps ensure the correct rear pad set is selected for the listed Cadillac and Pontiac vehicles.
This part fits 16 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2011 | Cadillac | STS | Rear | Except Performance Brakes; R1 Optimum Oe Pads | |
| 2010 | Cadillac | STS | Rear | Except Performance Brakes; R1 Optimum Oe Pads | |
| 2009 | Cadillac | STS | Rear | Except Performance Brakes; R1 Optimum Oe Pads | |
| 2008 | Cadillac | STS | Rear | Except Performance Brakes; R1 Optimum Oe Pads | |
| 2008 | Pontiac | Grand Prix | GXP | Rear | R1 Optimum Oe Pads |
| 2007 | Cadillac | CTS | Base | Rear | Standard Suspension; R1 Optimum Oe Pads |
| 2007 | Cadillac | STS | Rear | Except Performance Brakes; R1 Optimum Oe Pads | |
| 2007 | Pontiac | Grand Prix | GXP | Rear | R1 Optimum Oe Pads |
| 2006 | Cadillac | CTS | Base | Rear | Standard Suspension; R1 Optimum Oe Pads |
| 2006 | Cadillac | STS | Rear | Except Performance Brakes; R1 Optimum Oe Pads | |
| 2006 | Pontiac | Grand Prix | GXP | Rear | R1 Optimum Oe Pads |
| 2005 | Cadillac | CTS | Base | Rear | Standard Suspension; R1 Optimum Oe Pads |
| 2005 | Cadillac | STS | Rear | Except Performance Brakes; R1 Optimum Oe Pads | |
| 2005 | Pontiac | Grand Prix | GXP | Rear | R1 Optimum Oe Pads |
| 2004 | Cadillac | CTS | Base | Rear | Standard Suspension; R1 Optimum Oe Pads |
| 2003 | Cadillac | CTS | Rear | R1 Optimum Oe Pads |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.