OER Parts offers a wide selection of Manual Transmissions & Parts for your 1943 GMC Truck. OER Parts offers 1943 GMC Truck Bearings, 1943 GMC Truck Boots, 1943 GMC Truck Complete Transmissions, 1943 GMC Truck Flywheel, 1943 GMC Truck Gaskets, Seals & Filters, 1943 GMC Truck Gears, 1943 GMC Truck Hardware, 1943 GMC Truck Shift Knobs, 1943 GMC Truck Shift Linkage, 1943 GMC Truck OE Shifters, and 1943 GMC Truck Performance Shifters.