CUMMINS QSB4.5, (GOOD USED/ TESTED) OEM 2018 Cummins QSB4.5 Diesel Engine Control Module, ECM, ECU, for sale!!!!! Part #: 4993120, 4993121; Service Model Name: CM2250 EC; Stock #: E2472 For more information about this listing, shipping, technical questions email us at sa
