(Used) 2001 Peterbilt 378, COMPLETE FRONT DIFFERENTIAL HOUSING ONLY- Make: Eaton, Model: DS463, Ratio: 3.90, Capacity: 20,000 Lbs, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921