6 0 2021 Eaton DDH40 Front Differential for a Peterbilt 389 $1,850 USD DDH40 Locker - 3.36 Ratio - Pullout - Grade A - Unit In Good Condition. ConditionUsedRear End3.36 ratioFits To Make(s)PeterbiltFits To Model(s)389Stock Number1875-3 MLS Number13896750CategoryDifferentials, Front Last Updated10/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info