1996 GMC G3500 5.7L V8. 1996 GMC G3500 6.5L V8. 1996 GMC G3500 4.3L V6. 1979-1995 GMC G3500. Fan Accessory. Brass construction for accurate temperature sensing. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.