Notes: Ported Vacuum Switch -- Dark Blue; 2 Ports. 1979 GMC P2500 5.7L V8. 1980 GMC P2500 5.7L V8. 1981 GMC P2500 5.7L V8. 1982 GMC P2500 5.7L V8. 1983 GMC P2500 5.7L V8. 1985 GMC P2500 5.7L V8. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
