OER Parts offers a wide selection of Dash Components for your 1984 GMC Truck. OER Parts offers 1984 GMC Truck Clusters, 1984 GMC Truck Instrument Cluster Case, 1984 GMC Truck L.E.D. Indicator Wiring Set, 1984 GMC Truck Instrument Cluster LED Upgrade Set, 1984 GMC Truck Cluster Assembly, 1984 GMC Truck Dash Instrument Bulb Socket , 1984 GMC Truck Digital Instrument Cluster, 1984 GMC Truck Instrument Cluster Seal Kit, and 1984 GMC Truck Instrument Gauge Decals.