View 1 Photo View 0 Videos Eaton DS402 Rear Differential for a 1993 Peterbilt 378 $995 USD RS402 4.33 RATIO USED T.O. WILL INSPECT IN OUR GEARSHOP. 90 DAY WARRANTY, Ratio: 433 ConditionUsedRear End4.33 ratioFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1993Stock Number41226-4 MLS Number14330539CategoryDifferentials, Rear Last Updated5/15/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info