View 0 Photos View 0 Videos Eaton DS403 Rear Differential for a 1995 Peterbilt 378 Newly Listed $995 USD RS403 5.29 USED TAKEOUT WILL INSPECT IN OUR GEAR SHOP 90 DAY WARRANTY, Ratio: 5.29 ConditionUsedRear End5.29 ratioFits To Make(s)PeterbiltFits To Model(s)378Will Fit Year(s)1995Stock Number31926-3 MLS Number14264192CategoryDifferentials, Rear Last Updated3/25/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info