1 0 Eaton RSP40 Rear Axle Assembly for a 2013 Peterbilt 386 $595 USD GOOD USED REAR DIFFERENTIAL 90 DAY PARTS WARRANTY. WILL BE INSPECTED. - Differential Make (Rear): Eaton - Differential Model (Rear): DSP40, Axle Spline Count: 41, Serial#: RSP40, Core... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)386Will Fit Year(s)2013Part NumberNAStock NumberP-60145 MLS Number11373705CategoryAxle Assemblies, Rear Last Updated5/19/2023 LocationUcon, ID, US Sold ByHolst Truck Parts (833) 541-___ SHOWNUMBERCall Seller Email Seller Save More Info