0 0 2011 Eaton DDP40 Front Differential for a Peterbilt 384 $2,238 USD (USED) Eaton DDP40 Ratio: 4.33 Side Gear Splines: 41 W/ Locker: YES Cast#: 132043 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)384Stock Number25864922 MLS Number13822136CategoryDifferentials, Front Last Updated9/19/2025 LocationCouncil Bluffs, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info