0 Spicer/Dana DST41, , Differential Cores, Fits to: , (Core) 2010 Freightliner COLUMBIA 120, FRONT DIFFERENTIAL GEARS ONLY- Part Number: 509718, Serial Number: HN02273322, Make: Spicer, Model: DST41P, 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, Ratio 3.70, Serial# HN02273322, Casting# 16442