OER Parts offers a wide selection of Body Panels for your 1964 GMC 1000 Series. OER Parts offers 1964 GMC 1000 Series Truck Cab Components, 1964 GMC 1000 Series Stepside Cab - Complete, 1964 GMC 1000 Series Cab Panels - Partial, 1964 GMC 1000 Series Rear Outer Cab Panel, 1964 GMC 1000 Series Cab Corners, 1964 GMC 1000 Series Patch Panels, 1964 GMC 1000 Series Cab Floor Panel, 1964 GMC 1000 Series Rear Inner Window Panel, and 1964 GMC 1000 Series Windshield Pillar.