The R1 Concepts drilled-and-slotted black brake rotor for 2021–2025 Acura MDX, front left, is a replacement rotor sized for that specific wheel position and model years. It supplies the required braking surface in a drilled-and-slotted configuration and black finish. Use it when replacing a worn or damaged front-left rotor on the listed MDX applications to restore proper braking contact.
R1 2021-2025 Acura MDX Front Left Drilled & Slotted Black Brake Rotor