R1 Concepts 2552-1659-00 Disc Brake Pad Set - Rear

R1 Concepts Rear Brake Pads for Cadillac CTS and ATS

R1 Concepts R1 Optimum OE Pads, part number 2552-1659-00, are rear disc brake pads for select Cadillac performance applications. This disc brake pad set is listed for rear fitment on 2013-2015 Cadillac ATS with Brembo 4 piston front calipers, 2016-2017 Cadillac ATS with slotted disc, and 2014-2019 Cadillac CTS with performance brake linings.

Key Features

• Rear disc brake pad set for select Cadillac ATS and Cadillac CTS applications
• R1 Optimum OE Pads line for OE-style brake service
• Part number 2552-1659-00 for accurate ordering and catalog matching
• Compatible with performance brake configurations listed in the fitment data
• Built for direct replacement use on the rear axle

Fitment Details

• Fits 2014-2019 Cadillac CTS, rear, performance brake linings; R1 Optimum OE Pads.
• Fits 2016-2017 Cadillac ATS, rear, slotted disc; R1 Optimum OE Pads.
• Fits 2013-2015 Cadillac ATS, rear, Brembo 4 piston front calipers; R1 Optimum OE Pads.

Product Description

The R1 Concepts 2552-1659-00 brake pad set is part of the R1 Optimum OE Pads line, a product line focused on OE-style replacement fitment for specific vehicle brake configurations. For Cadillac ATS and Cadillac CTS rear brake service, this pad set provides a catalog-matched solution for vehicles equipped with the listed performance brake setups. If you are searching for rear brake pads for a 2014-2019 Cadillac CTS or rear brake pads for a 2013-2017 Cadillac ATS, this part number identifies the correct application in the R1 Concepts catalog.

Common Service Issues Addressed

• Worn rear brake pads causing reduced stopping performance
• Brake noise from pads at or near service limit
• Uneven rear brake wear during routine maintenance
• Brake pedal feel changes related to pad wear
• Need for a direct rear pad replacement on listed Cadillac applications

Installation Notes

Verify rear axle fitment against the vehicle’s brake configuration before installation. Confirm the model year, trim, and brake hardware match the listed Cadillac ATS or Cadillac CTS application, since the fitment includes specific performance brake notes. Inspect rotors, caliper condition, and pad contact surfaces during service, and follow the vehicle manufacturer’s brake procedure for bedding and torque specifications.

Quality Assurance

R1 Concepts supplies the R1 Optimum OE Pads line as an OE-style brake replacement option for catalog-specific applications. Part number 2552-1659-00 is identified for the rear brake positions listed above, supporting accurate parts matching for Cadillac ATS and Cadillac CTS service.