Cummins ISC, ECMs, (TESTED W/ WARRANTY) 2011 Cummins ISC8.3 ECM Part # 4993120 For Sale, Pulled off a Cummins ISC 8.3L Diesel Engine, CM2250, CPL 3735, ESN 73232192, Part # 4993120, 270HP @ 2000RPM, T0991, ECM Serial # 1T2250A06039378, Fits 2010-2012, Stock # 7934 | Tested & Inspected!