0 Cummins ISB, , ECMs, Fits to: Freightliner MT55 Chassis, (Used) 2020 Cummins ISB, ENGINE ECM- Part Number: 4943134, Serial Number: 19263, ECM CODE: AU90196.13, Engine information- ESN: 60705880, 2 Plugs with 60 Pins each, 1 Plug with 4 Pins, Reference images for condition. For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 19263, Casting# 19263, Truck Year Not Available