View 1 Photo View 0 Videos Eaton RDP40 Rear Differential for a 2017 Peterbilt 348 $1,495 USD GOOD INSPECTED DIFFERENTIAL ASSEMBLY/ LOCKER 90 DAY WARRANTY EXCHANGE, Axle Spline Count: 41, Core Charge: 500.00, Ratio: 5.29, Casting#: NA ConditionUsedRear End5.29 ratioFits To Make(s)PeterbiltFits To Model(s)348Will Fit Year(s)2017Part NumberRDP41 LOCKERStock Number22526-4 MLS Number14219569CategoryDifferentials, Rear Last Updated7/20/2026 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info