View 0 Photos View 0 Videos Axle Alliance ART400-4S Rear Differential for a 2021 Freightliner Cascadia 126 Newly Listed $1,995 USD DART400 RR LOCKER 2.85 RATIO WILL INSPECT. 90 DAY WARRANTY., Ratio: 3.08 ConditionUsedRear End3.08 ratioFits To Make(s)FreightlinerFits To Model(s)Cascadia 126Will Fit Year(s)2021Stock Number52426-2 MLS Number14424902CategoryDifferentials, Rear Last Updated6/13/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info