2007 Axle Alliance ART-40, Truck Tractor, Axle Housings (Rear), Fits to: Freightliner COLUMBIA 120, (Used) 2007 Freightliner COLUMBIA 120, FRONT DIFFERENTIAL HOUSING ONLY- Make: Axle Alliance, Model: ART-40, Ratio: 3.58, Capacity: 20,000 Lbs, Serial Number: 771AAC-A045725H, 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# 771AAC-A045725H, Hub Bolts 10, Brake Type Drum 1FUJA6CV97LY83643