OER Parts offers a wide selection of Automatic Trans & Components for your 1970 GMC C35/C3500 Pickup. OER Parts offers 1970 GMC C35/C3500 Pickup Complete Transmission, 1970 GMC C35/C3500 Pickup Cooler Lines, 1970 GMC C35/C3500 Pickup Dipsticks & Tubes, 1970 GMC C35/C3500 Pickup Flex Plate, 1970 GMC C35/C3500 Pickup Gaskets, Seals, Filters & Hardware 1970 GMC C35/C3500 Pickup Modulator Valves, 1970 GMC C35/C3500 Pickup Shift Knobs, 1970 GMC C35/C3500 Pickup Shift Linkage, 1970 GMC C35/C3500 Pickup Shifters - OE, 1970 GMC C35/C3500 Pickup Shifters - Performance, 1970 GMC C35/C3500 Pickup Torque Converter & Covers, 1970 GMC C35/C3500 Pickup Transmission Pans, and 1970 GMC C35/C3500 Pickup Vacuum Lines.