The R1 Concepts slotted black brake rotor for Mazda 3 (2014–2021) is a front-left rotor intended to serve the braking surface at that wheel location. The part is described as slotted with a black finish in the source. This overview covers the front-left rotor for the model years listed; verify fitment against your VIN or vehicle details prior to purchase.
R1 14-21 Mazda 3 Front Left Slotted Black Brake Rotor