0 0 Eaton S21-170 Rear Differential for a 2009 Kenworth T370 Contact for price EATON D40170 S21-70 4.78 RATIO LOCKING DIFF, Ratio: 4.78 ConditionUsedRear End4.78 ratioFits To Make(s)KenworthFits To Model(s)T370Will Fit Year(s)2009Stock Number3354-KW-2 MLS Number13343920CategoryDifferentials, Rear Last Updated3/7/2025 LocationSTURGEON COUNTY, AB, Canada Sold ByBadger Truck Parts Ltd. (855) 624-___ SHOWNUMBERCall Seller Email Seller Save More Info