View 0 Photos View 0 Videos Eaton 23221 Differential Part Recently Updated Contact for price Used 23221 3.90 Ratio Gear Set - Part # 104400 ConditionUsedRear End3.90 ratioStock Number4540913 MLS Number13896220CategoryDifferential Misc. Parts Last Updated3/12/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info