This Fits Your 2001 GMC Sierra 3500 SLT Crew Cab Pickup Fleetside 8.1L Vortec V8 M/T 4WD
Full size assembly image of AIR CONDITIONER & HEATER. EVAPORATOR & HEATER COMPONENTS. (1/1)

AIR CONDITIONER & HEATER. EVAPORATOR & HEATER COMPONENTS.

1999-02. air inlet. defroster. inside. mode. outside. temperature. upper & lower.