View 0 Photos View 0 Videos 2016 Eaton DDP41 Front Differential for a Peterbilt 579 $2,250 USD (USED) Eaton DDP41 Ratio: 2.80 Side Gear Splines: 41 Cast#: 132043 Ref# 515145 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part Number515145Stock Number25984299 MLS Number14332124CategoryDifferentials, Front Last Updated4/25/2026 LocationSioux Falls, SD, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info