2001 Cummins ISB, Truck Delivery, ECMs, Fits to: Freightliner MT55 Chassis, (Used) 2002 Cummins ISB, ECM- Serial Number: 8001782, Part Number: 3990517, ESN: 60268871, ECM CODE: J91280.06, 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# 8001782, Casting# 8001782, Truck Year 2001 4UZAA5BW41CH64934