9 0 2014 Mack DEF Tank Contact for price (Used) 2014 Mack, DEF TANK- Side: Driver Side, Material: Plastic And Steel, Color: Black, Shape: D, Part Number: 21839987, Reference images for condition, For more information about this... ConditionUsedFits To Make(s)MackWill Fit Year(s)2014Part Number21839987Stock NumberP-102338 MLS Number13587016CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated5/17/2025 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info