OER Parts offers a wide selection of Dash Components for your 2004 GMC Truck. OER Parts offers 2004 GMC Truck Clusters, 2004 GMC Truck Instrument Cluster Case, 2004 GMC Truck L.E.D. Indicator Wiring Set, 2004 GMC Truck Instrument Cluster LED Upgrade Set, 2004 GMC Truck Cluster Assembly, 2004 GMC Truck Dash Instrument Bulb Socket , 2004 GMC Truck Digital Instrument Cluster, 2004 GMC Truck Instrument Cluster Seal Kit, and 2004 GMC Truck Instrument Gauge Decals.