(Used) 2010 Freightliner COLUMBIA 120, REAR DIFFERENTIAL HOUSING ONLY, Part Number: S11-21808-370, Serial Number: HN03269507, Make: Spicer, Model: DS404, Ratio: 3.70, 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