OER Parts offers a wide selection of Dash Components for your 1938 GMC Truck. OER Parts offers 1938 GMC Truck Clusters, 1938 GMC Truck Instrument Cluster Case, 1938 GMC Truck L.E.D. Indicator Wiring Set, 1938 GMC Truck Instrument Cluster LED Upgrade Set, 1938 GMC Truck Cluster Assembly, 1938 GMC Truck Dash Instrument Bulb Socket , 1938 GMC Truck Digital Instrument Cluster, 1938 GMC Truck Instrument Cluster Seal Kit, and 1938 GMC Truck Instrument Gauge Decals.