OER Parts offers a wide selection of Body Components for your 1966 GMC Truck Convertible. OER Parts offers 1966 GMC Truck Cables, 1966 GMC Truck Convertible Tops 1966 GMC Truck Moldings, 1966 GMC Truck Rear Window, 1966 GMC Truck Roll Bar & Light Bar, 1966 GMC Truck Tonneau Cover, 1966 GMC Truck Boots, 1966 GMC Truck Top Care, 1966 GMC Truck Top Frames, 1966 GMC Truck Top Latches, 1966 GMC Truck Motors & Hardware and 1966 GMC Truck Weatherstrip.