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$18.34The Story
Rear Brake Pads for Cadillac Performance Applications
R1 Concepts R1 Optimum OE Pads, part number 2551-1020-00, are rear disc brake pads for select Cadillac performance brake setups. This pad set is built for drivers looking for a direct-fit rear brake pad replacement on the Cadillac STS, SRX, and CTS with the listed suspension or brake package notes.
Key Features
- Rear disc brake pad set for select Cadillac applications
- R1 Optimum OE Pads product line from R1 Concepts
- Fits 2005-2011 Cadillac STS, rear, Performance Brakes
- Fits 2004-2009 Cadillac SRX, rear, Performance Brakes
- Fits 2006-2007 Cadillac CTS, rear, Sport Suspension
- Part number 2551-1020-00 for ordering and fitment verification
Product Details
The R1 Optimum OE Pads line focuses on OE-style replacement brake pads for vehicles that require a precise fit and consistent rear braking performance. This set is cataloged for rear axle use on Cadillac STS, Cadillac SRX, and Cadillac CTS models with the specified performance brake or sport suspension configurations. If you are searching for rear brake pads for 2005-2011 Cadillac STS, rear brake pads for 2004-2009 Cadillac SRX, or rear brake pads for 2006-2007 Cadillac CTS, part number 2551-1020-00 matches the listed applications.
Common Issues This Part Addresses
- Worn rear brake pads that reduce stopping performance
- Brake noise from pads at the end of service life
- Uneven rear brake response on performance-equipped Cadillac models
- Brake pedal feel changes caused by pad wear
- Need for a rear pad replacement matched to the original brake configuration
Installation Notes and Tips
Verify the rear brake package before ordering, since fitment is limited to the listed Performance Brakes or Sport Suspension applications. Confirm the vehicle year, model, and rear position against the fitment data for 2551-1020-00 before installation. Inspect rotors, calipers, and pad contact surfaces during service to ensure proper brake system operation.
Quality Assurance
R1 Concepts R1 Optimum OE Pads are cataloged as an OE-style brake pad line for direct replacement use on the specified Cadillac rear applications. Fitment is confirmed for the listed vehicles only.
Description
Rear Brake Pads for Cadillac Performance Applications
R1 Concepts R1 Optimum OE Pads, part number 2551-1020-00, are rear disc brake pads for select Cadillac performance brake setups. This pad set is built for drivers looking for a direct-fit rear brake pad replacement on the Cadillac STS, SRX, and CTS with the listed suspension or brake package notes.
Key Features
- Rear disc brake pad set for select Cadillac applications
- R1 Optimum OE Pads product line from R1 Concepts
- Fits 2005-2011 Cadillac STS, rear, Performance Brakes
- Fits 2004-2009 Cadillac SRX, rear, Performance Brakes
- Fits 2006-2007 Cadillac CTS, rear, Sport Suspension
- Part number 2551-1020-00 for ordering and fitment verification
Product Details
The R1 Optimum OE Pads line focuses on OE-style replacement brake pads for vehicles that require a precise fit and consistent rear braking performance. This set is cataloged for rear axle use on Cadillac STS, Cadillac SRX, and Cadillac CTS models with the specified performance brake or sport suspension configurations. If you are searching for rear brake pads for 2005-2011 Cadillac STS, rear brake pads for 2004-2009 Cadillac SRX, or rear brake pads for 2006-2007 Cadillac CTS, part number 2551-1020-00 matches the listed applications.
Common Issues This Part Addresses
- Worn rear brake pads that reduce stopping performance
- Brake noise from pads at the end of service life
- Uneven rear brake response on performance-equipped Cadillac models
- Brake pedal feel changes caused by pad wear
- Need for a rear pad replacement matched to the original brake configuration
Installation Notes and Tips
Verify the rear brake package before ordering, since fitment is limited to the listed Performance Brakes or Sport Suspension applications. Confirm the vehicle year, model, and rear position against the fitment data for 2551-1020-00 before installation. Inspect rotors, calipers, and pad contact surfaces during service to ensure proper brake system operation.
Quality Assurance
R1 Concepts R1 Optimum OE Pads are cataloged as an OE-style brake pad line for direct replacement use on the specified Cadillac rear applications. Fitment is confirmed for the listed vehicles only.












