(Used) 2003 Gmc C4500, COMPLETE DIFFERENTIAL HOUSING ONLY- Make: Spicer/Dana, Model: 286-010-RB(GL4, Ratio: 4.88, Capacity: 11,000 Lbs, Hub Bolts: 8, Brake Type: Disk, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921