1991 GMC P3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.3L V6 Gas OHV, 3.9L L4 Diesel OHV Turbo
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with New Process 4500 Transmission 5 Speed Manual Transmission
1991 GMC P3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.3L V6 Gas OHV, 3.9L L4 Diesel OHV Turbo
with New Process 4500 Transmission 5 Speed Manual Transmission