2013 Cummins ISL, City Transit Bus, ECMs, Fits to: GILLIG Low Floor Bus, (USED) 2012 CUMMINS ISL9 ENGINE CONTROL MODULE- Part Number: 4993120, Engine Serial #:73474864, Engine HP: 280, CPL/AR: 3733, To find out more about this engine give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 73474864, Casting# 73474864, Truck Year 2013 15GGE2713D1092496