2004 Cummins ISM, , Engine Assys, Fits to: Other Other, (USED) 2004 Cummins, ISM280. S/N-35109010 P/N-4CEXH0661MAV HP-280 CPL-3560 REF # 53-53244-010 ECS-OC, EGR C.I.D.-661/10.8L For more information about this item call. We ship worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Horse Power 280, Serial# 35109010, Casting# 35109010