View 3 Photos View 0 Videos 2008 Eaton S23-170 Rear Differential for a International Durastar (4400) $1,816 USD (USED) Eaton S23-170 Ratio: 4.78 Side Gear Splines: 46 W/ Locker: NO Cast#: - ConditionUsedFits To Make(s)InternationalFits To Model(s)DURASTAR (4400)Stock Number25191276 MLS Number11548842CategoryDifferentials, Rear Last Updated12/8/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info