OER Parts offers a wide selection of Body Components for your 1989 GMC S15 Convertible. OER Parts offers 1989 GMC S15 Cables, 1989 GMC S15 Convertible Tops 1989 GMC S15 Moldings, 1989 GMC S15 Rear Window, 1989 GMC S15 Roll Bar & Light Bar, 1989 GMC S15 Tonneau Cover, 1989 GMC S15 Boots, 1989 GMC S15 Top Care, 1989 GMC S15 Top Frames, 1989 GMC S15 Top Latches, 1989 GMC S15 Motors & Hardware and 1989 GMC S15 Weatherstrip.