R1 Concepts drilled black brake rotor for 1998–2005 Buick Bonneville (rear left). This drilled black rotor is presented as the wheel-position-specific replacement for the listed model years and the left rear location, offering the braking surface required at that wheel. Check vehicle year, model and left/rear fitment against the guide before installation to confirm the rotor matches the intended application.
R1 98-05 Buick Bonneville Rear Left Drilled Black Brake Rotor