The R1 Concepts slotted black brake rotor for Mazda 3 (2014–2021) is a front-left rotor supplying the slotted braking face for that wheel position. The source lists the black finish and slotting. This listing covers the front-left rotor for the model years specified; shoppers should verify application against their vehicle information before purchase to ensure correct fitment.
R1 14-21 Mazda 3 Front Left Slotted Black Brake Rotor