CUMMINS ISX15, (USED) 2012 Cummins ISX15-450 Diesel Engine Computer Module, ECM, ECU, for sale!!!! P/N: 4993120 CM2250 CPL3719 Stock #: E1706 For more information about this listing, shipping, technical questions email us at sales@jjrebuilders.com or call 1-800- 970-301