2003 Cummins ISM, , Engine Assys, Fits to: Other Other, (USED) 2003 (reman in 2006) Cummins ISM, Complete Engine Assembly. S/N-60428316 P/N-6CEXH0661MAV HP-280 CPL-8560 ECS-N/A Model-DR6398-RX For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Horse Power 280, Serial# 60428316, Casting# 60428316