Part Type: HVAC Blend Door Actuator. HVAC Air Door Actuator. Style: HVAC Air Door Actuator. 2002 Chevrolet Trailblazer EXT Position: Auxiliary;. 2003 Chevrolet Trailblazer EXT Position: Auxiliary;. 2004 Chevrolet Trailblazer EXT Position: Auxiliary;.
