OER Parts offers a wide selection of Dash Components for your 2003 GMC Truck. OER Parts offers 2003 GMC Truck Clusters, 2003 GMC Truck Instrument Cluster Case, 2003 GMC Truck L.E.D. Indicator Wiring Set, 2003 GMC Truck Instrument Cluster LED Upgrade Set, 2003 GMC Truck Cluster Assembly, 2003 GMC Truck Dash Instrument Bulb Socket , 2003 GMC Truck Digital Instrument Cluster, 2003 GMC Truck Instrument Cluster Seal Kit, and 2003 GMC Truck Instrument Gauge Decals.