Fan Control Knob Heater Fan AC 2000-2005 Fits Buick Regal Switch Black Interior New; One (1) Premium Manual Control Knob; Approximately 1-5/8" width; Fan Speed Control Knob; Direct replacement for missing or damaged fan speed control knob; Fits Buick: 2000-2005 Century, 2000-2004 Regal; Automotive Grade Black Plastic; Reference: 9360784