HVAC Recirculation Door Actuator. Notes: Motor; Recirculation Door. 1991-1993 GMC C2500 Engine: 6.2L V8; Motor; Recirculation Door;. 1991-1994 GMC C2500 Engine: 4.3L V6; Motor; Recirculation Door;. 1991-1994 GMC C2500 Engine: 5.0L V8; Motor; Recirculation Door;.
