1 0 Dana DSH40 Rear Differential for a 2017 Peterbilt 389 $795 USD WILL BE INSPECTED IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 336 ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2017Stock Number71425-4 MLS Number13727230CategoryDifferentials, Rear Last Updated7/29/2025 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info