Came off 2017 Kenworth T680, 10 speed Ethen auto transmission, 550K miles. For MX13 engine control module Peterbuilt Kenworth. MX13 EPA10, EPA13, EPA17 & EPA21. Fits many Peterbuilt and Kenworth trucks with Paccar MX13 engines. Similar part numbers associated are: 2109556, 2015228PEX, 2109556PEX.
This part is used, all parts are tested and are in working order.