0 Cummins 3.9 4B, , Engine Assys, Fits to: , (Used) Cummins 3.9 4B, ENGINE ASSEMBLY- Displacement: 3.9L, Horsepower: N/A, Serial Number: 44170235, Part Number: A174090 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, Horse Power N/A, Serial# 44170235, Part# A174090