6 0 2016 Used Peterbilt 389 DEF Pump $485 USD Used 389 DEF Pump, Engine Make: Paccar, Engine Model: MX13 ConditionUsedEngine ModelPaccar MX13Fits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2016Part Number2871879Stock Number561-10919 MLS Number11923812CategoryDiesel Exhaust Fluid (DEF) Pumps Last Updated5/24/2023 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info