GM OEM Front OVERHEAD Heater Fan Control AUX A/C for 2003-06 Silverado 15189859

May also replace the following models: 15-72992, 1572992, 15189859, 15112019, and 15763046. This was used in various GM trucks and SUVs from 2003-2006. The other variation has a fully variable knob on the left rather than 3 stepped speeds.