- Buick Grand National, Turbo Regal
- HVAC Control Vacuum Valve - GM/ACDelco - 9 Port - GM# 16037778
Brand-new discontinued NOS GM 9-port HVAC control vacuum valve for 1984-1987 Buick Grand National, Turbo Regal, and 1987 GNX with C60 manual AC.
This valve changes the HVAC mode (MAX/NORM/BI-LEVEL/VENT/HEATER/DEF) to the corresponding control lever position.
This genuine GM/ACDelco part will ship in its original packaging as shown.