(Used) 2007 Gmc W4500, COMPLETE DIFFERENTIAL GEARS ONLY- Make: Isuzu, Model: G-73, Ratio: 5.38, Capacity: 9,880 lbs, Hub Bolts: 6, Brake Type: Drum, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921