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The R1 Concepts slotted brake rotor for 2015–2022 Cadillac ATS (rear left) is a black-finished replacement rotor with a slotted braking surface intended for rear brake assemblies. It matches the rear left position for the listed ATS model years and provides a replacement option; confirm fitment against your vehicle specifications and follow manufacturer service guidance during installation.
R1 15-22 Cadillac ATS Rear Left Slotted Black Brake Rotor
