The R1 Concepts drilled black brake rotor for 2009–2021 Infiniti FX50 (rear left) is identified as the drilled rotor option for that rear-left application. The listing specifies year range and wheel position, and the drilled face with black finish are the noted features. It serves as a replacement part for a worn or damaged rear-left rotor on applicable FX50 models.
R1 09-21 Infiniti FX50 Rear Left Drilled Black Brake Rotor