OER Parts offers a wide selection of Manual Transmissions & Parts for your 1945 GMC Truck. OER Parts offers 1945 GMC Truck Bearings, 1945 GMC Truck Boots, 1945 GMC Truck Complete Transmissions, 1945 GMC Truck Flywheel, 1945 GMC Truck Gaskets, Seals & Filters, 1945 GMC Truck Gears, 1945 GMC Truck Hardware, 1945 GMC Truck Shift Knobs, 1945 GMC Truck Shift Linkage, 1945 GMC Truck OE Shifters, and 1945 GMC Truck Performance Shifters.