1989 Chevrolet R3500 7.4L V8 VIN: N FI TBI Electronic GAS. 1990 Chevrolet R3500 7.4L V8 VIN: N TBI Electronic GAS. 1991 Chevrolet R3500 7.4L V8 VIN: N TBI Electronic GAS. Ensure Proper FitTo confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table.
