DACCO F52 Automatic Transmission Torque Converter. Automatic Transmission Torque Converter. Converter Codes: 11A, 13A, 18A, 19A, 30A, 36A, 37A, 39A, 44A, 56A. Converter Type: Damper Drive. Occasionally, there may be an issue with your item or your order and we will do our best to ensure you are 100% satisfied.