OER Parts offers a wide selection of Rear End Components for your 1945 GMC Truck. OER Parts offers 1945 GMC Truck Axle Shafts & Parts, 1945 GMC Truck Differential, 1945 GMC Truck Differential Covers, 1945 GMC Truck Differential Hardware, 1945 GMC Truck Differential Tools, 1945 GMC Truck Driveshaft, 1945 GMC Truck Driveshaft Safety Loops, 1945 GMC Truck Gaskets & Seals, 1945 GMC Truck Performance Rear Ends, 1945 GMC Truck Ring & Pinion Gears, and 1945 GMC Truck U-Joints and Parts.