The R1 Concepts slotted brake rotor for 2009–2020 Chevrolet Express 3500 applications is a black-finished replacement rotor specified for the rear left position. This listing names the slotted braking surface and the rear-left fit, providing a defined replacement option for owners and technicians working on Express 3500 rear-left brake assemblies within those years.
R1 09-20 Chevrolet Express 3500 Rear Left Slotted Black Brake Rotor