The R1 Concepts drilled-and-slotted brake rotor for 2004-2013 Mazda 3 rear-left applications is a direct-fit black replacement designed to restore braking surfaces to factory specifications. It replaces the original rear left rotor as part of brake service, offering the drilled and slotted pattern and black finish noted in the product title for straightforward installation and like-for-like fit.
R1 04-13 Mazda 3 Rear Left Drilled & Slotted Black Brake Rotor