The R1 Concepts drilled black brake rotor for the rear left of 1999–2006 Kia Optima is a wheel-position-specific rotor intended for those model years. Noted for a drilled face and black finish in the product identification, this part serves as the rear-left braking surface for routine service or targeted replacement; verify the Optima year and rear-axle fitment to confirm compatibility before purchase.
R1 99-06 Kia Optima Rear Left Drilled Black Brake Rotor