OER Parts offers a wide selection of Body Components for your 2004 GMC Truck. OER Parts offers 2004 GMC Truck Trunk Components, 2004 GMC Truck Interior Panels, 2004 GMC Truck Latches and Hinges, 2004 GMC Truck Partitions, 2004 GMC Truck Spare Tire & Jack Accessories, 2004 GMC Truck Spatter Paints, 2004 GMC Truck Trunk Insulation, 2004 GMC Truck Spare Tire and Parts, 2004 GMC Truck Trunk Lock & Key, and 2004 GMC Truck Trunk Mats & Carpets.