OER Parts offers a wide selection of Dash Components for your 1998 GMC Truck. OER Parts offers 1998 GMC Truck Clusters, 1998 GMC Truck Instrument Cluster Case, 1998 GMC Truck L.E.D. Indicator Wiring Set, 1998 GMC Truck Instrument Cluster LED Upgrade Set, 1998 GMC Truck Cluster Assembly, 1998 GMC Truck Dash Instrument Bulb Socket , 1998 GMC Truck Digital Instrument Cluster, 1998 GMC Truck Instrument Cluster Seal Kit, and 1998 GMC Truck Instrument Gauge Decals.