OER Parts offers a wide selection of Automatic Trans & Components for your 1949 DeSoto S-13. OER Parts offers 1949 DeSoto S-13 Complete Transmission, 1949 DeSoto S-13 Cooler Lines, 1949 DeSoto S-13 Dipsticks & Tubes, 1949 DeSoto S-13 Flex Plate, 1949 DeSoto S-13 Gaskets, Seals, Filters & Hardware 1949 DeSoto S-13 Modulator Valves, 1949 DeSoto S-13 Shift Knobs, 1949 DeSoto S-13 Shift Linkage, 1949 DeSoto S-13 Shifters - OE, 1949 DeSoto S-13 Shifters - Performance, 1949 DeSoto S-13 Torque Converter & Covers, 1949 DeSoto S-13 Transmission Pans, and 1949 DeSoto S-13 Vacuum Lines.