2001 Cummins ISB, Truck Delivery, Engine Assys, Fits to: Freightliner MT55 Chassis, (Used) 2002 Cummins ISB, ENGINE ASSEMBLY- Family Number: YCEXH0359BAP, Model: DR1581-RX, Displacement: 5.9L, Horsepower: 185, Serial Number: 60256640, Part Number: 4018419, CPL: 2687, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Horse Power 185, Serial# 60256640, Casting# 60256640 4UZAA5BW91CJ04692