R1 Concepts drilled rear right brake rotor for 1999–2005 Audi A6 Quattro is a vehicle-specific replacement rotor with a drilled friction surface and black finish. It’s intended to replace the rear-right rotor on covered A6 Quattro models and simplifies ordering by listing side and years; use the application details to confirm fit for a direct, application-specific replacement.
R1 99-05 Audi A6 Quattro Rear Right Drilled Black Brake Rotor