12 0 2016 Used Peterbilt 579 DEF Tank $500 USD Used 579 DEF Tank, 21 Gallons ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Will Fit Year(s)2016Capacity21 GallonsPart NumberM86616200110Stock Number657-10432 MLS Number10729724CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated5/9/2023 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info