4 0 2010 Eaton RD404 Rear Differential for a International Durastar (4400) $1,028 USD (USED) Eaton RD404 Ratio: 5.29 Side Gear Splines: 41 W/ Locker: YES Cast#: VERIFY ConditionUsedFits To Make(s)InternationalFits To Model(s)Durastar (4400)Stock Number25795659 MLS Number13656719CategoryDifferentials, Rear Last Updated6/20/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info