The R1 Concepts drilled-and-slotted brake rotor for 2019–2025 Mazda 3 (front left) is a black replacement rotor that features drilled holes and machined slots. It provides the designated left-front braking surface for the listed model years. Verify fitment against your vehicle details, and install using compatible pads and mounting hardware to reestablish correct pad contact.
R1 19-25 Mazda 3 Front Left Drilled & Slotted Black Brake Rotor