CUMMINS ISB6.7, (CORE) OEM 2010 Cummins ISB6.7 Diesel Engine Computer Module, ECM, ECU, for sale!!!! P/N: 4993120 CM2250 Stock #: E1921 For more information about this listing, shipping, technical questions email us at sales@jjrebuilders.com or call 1-800- 971-3019. We c