5 0 2020 Peterbilt 389 DEF Tank Contact for price (Used) 2020 Peterbilt 389, DEF TANK- Side: Driver Left Side, Material: Plastic, Color: Black, Shape: D, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY... ConditionUsedFits To Make(s)PeterbiltFits To Model(s)389Will Fit Year(s)2020Stock NumberP-105665 MLS Number13664883CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated6/25/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info