1994 Eaton 19055S, Truck Delivery, Rear Rears (Tandem Rear or Single), Fits to: GMC C7000 Topkick, (Used) 1994 GMC C7000 Topkick, COMPLETE DIFFERENTIAL GEARS ONLY- Part Number: 15687863, Serial Number: H933144689, Make: Eaton, Model: 19055S, Ratio: 5.29, Capacity: 19,000 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 5.29, Serial# H933144689, Casting# H933144689 1GDM7H1J7RJ507015