OER Parts offers a wide selection of Automatic Trans & Components for your 1943 GMC Truck. OER Parts offers 1943 GMC Truck Complete Transmission, 1943 GMC Truck Cooler Lines, 1943 GMC Truck Dipsticks & Tubes, 1943 GMC Truck Flex Plate, 1943 GMC Truck Gaskets, Seals, Filters & Hardware 1943 GMC Truck Modulator Valves, 1943 GMC Truck Shift Knobs, 1943 GMC Truck Shift Linkage, 1943 GMC Truck Shifters - OE, 1943 GMC Truck Shifters - Performance, 1943 GMC Truck Torque Converter & Covers, 1943 GMC Truck Transmission Pans, and 1943 GMC Truck Vacuum Lines.