The R1 Concepts slotted brake rotor is a black replacement rotor for front-left braking service. Offered as a single slotted rotor, it restores the braking surface and matches the rotor form called out in the listing. This entry is specified for Buick 2010–2021 09-5 front-left applications, presented as the correct slotted rotor for that fitment.
R1 10-21 Buick 09-5 Front Left Slotted Black Brake Rotor