International Maxxforce Engine Computer Module ECM ECU 1881708C91Condition: REBUILDABLE CORE USED The International 1881708C91 Engine Control Module (ECM) is a remanufactured unit designed for the 7. 6L International MaxxForce DT engines. It is factory and guaranteed to work flawlessly ensuring precise engine control and optimal performance. This ECM includes essential programming and is compatible with a range of 2007 2009 International MaxxForce 7 diesel engine models such as those found in the IH 4300 trucks.