OER Parts offers a wide selection of Body Components for your 1989 GMC S15. OER Parts offers 1989 GMC S15 Trunk Components, 1989 GMC S15 Interior Panels, 1989 GMC S15 Latches and Hinges, 1989 GMC S15 Partitions, 1989 GMC S15 Spare Tire & Jack Accessories, 1989 GMC S15 Spatter Paints, 1989 GMC S15 Trunk Insulation, 1989 GMC S15 Spare Tire and Parts, 1989 GMC S15 Trunk Lock & Key, and 1989 GMC S15 Trunk Mats & Carpets.