The R1 Concepts drilled rear-left brake rotor for 1971–1989 Peugeot 504, 505 and 604 is a black-finished replacement rotor specified for that rear-left application. It serves as the braking surface to slow the vehicle, and the drilled design is intended to support venting and debris clearance compared with plain rotors. Verify rear-left compatibility with your classic Peugeot model year.
R1 71-89 Peugeot 504/505/604 Rear Left Drilled Black Brake Rotor