View 2 Photos View 0 Videos 2015 Eaton S23-190D Rear Differential for a Peterbilt 579 $1,725 USD (USED) Eaton S23-190D Ratio: 3.42 Side Gear Splines: 46 W/ Locker: YES Cast#: 14D14 ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25647033 MLS Number12865021CategoryDifferentials, Rear Last Updated6/6/2024 LocationWinimac, IN, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info