OER Parts offers a wide selection of Dash Components for your 1999 GMC Truck. OER Parts offers 1999 GMC Truck Clusters, 1999 GMC Truck Instrument Cluster Case, 1999 GMC Truck L.E.D. Indicator Wiring Set, 1999 GMC Truck Instrument Cluster LED Upgrade Set, 1999 GMC Truck Cluster Assembly, 1999 GMC Truck Dash Instrument Bulb Socket , 1999 GMC Truck Digital Instrument Cluster, 1999 GMC Truck Instrument Cluster Seal Kit, and 1999 GMC Truck Instrument Gauge Decals.