OER Parts offers a wide selection of Body Components for your 1979 GMC C3500. OER Parts offers 1979 GMC C3500 Trunk Components, 1979 GMC C3500 Interior Panels, 1979 GMC C3500 Latches and Hinges, 1979 GMC C3500 Partitions, 1979 GMC C3500 Spare Tire & Jack Accessories, 1979 GMC C3500 Spatter Paints, 1979 GMC C3500 Trunk Insulation, 1979 GMC C3500 Spare Tire and Parts, 1979 GMC C3500 Trunk Lock & Key, and 1979 GMC C3500 Trunk Mats & Carpets.