OEM Diesel Engine Computer ECU ECM 4384413 CM2350 Fit 2019 Cummins ISB ISL. Type:ECU ECM PCM Computer Module. Country/Region of Manufacture:United States. 1 x ECU ECM PCM Computer Module. 2018 Cummins ISL ISX15 ISB. We keep our promises that we will provide you with the best solution within 24 hours. Please make sure it will fit your machine before purchasing it. Please check pictures for more details. If this item can not work properly for you, please contact our Customer Service. We promise we will do our best to serve you.