2004 Cummins ISM, , Engine Assys, Fits to: GILLIG Other, (USED) 2004 CUMMINS ISM Complete Engine. Engine Serial # 35110073 Engine Family # 4CEXH0661MAV Engine HP: 280 Engine Model: ISM-280 Displacement: 10.8L CPL/AR: 8560 REF: 53-53244-010 E.C.S.: OC, EGR Tested and Runs GREAT!!! NO CORE CHARGE! To find out more about this engine give us a call. We ship worldwide! Complete Recycling Group (CRG), Horse Power 280, Serial# 35110073, Casting# 35110073 15GGD211941076105