View 7 Photos View 0 Videos 2023 Used Western Star 57X DEF Tank Newly Listed $500 USD Used 57X DEF Tank, 23 Gallons ConditionUsedFits To Make(s)Western StarFits To Model(s)57XWill Fit Year(s)2023Capacity23 GallonsPart NumberA0434274003Stock Number657-11483 MLS Number14521974CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated8/5/2026 LocationDorr, MI, US Sold ByFrontier Truck Parts (855) 300-___ SHOWNUMBERCall Seller Email Seller Save More Info