R1 Concepts drilled black brake rotor for 1999–2005 Ford Excursion (rear left) is listed as the replacement rotor for the rear-left wheel across those years. The product description specifies a drilled rotor finished in black for use when servicing or repairing the rear-left brake assembly and aligns with the cataloged fitment and wheel position indicated in the listing.

R1 99-05 Ford Excursion Rear Left Drilled Black Brake Rotor