2021 Western Star 5700, Truck Tractor, DEF Tanks, Fits to: Western Star 5700, (Used) 2021 Western Star 5700, DEF TANK- Side: Driver Left Side, Material: Plastic And Steel, Color: Black, Shape: Rectangular, Reference images for condition For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Truck Year 2021, VIN 5KJJBHDR4MLMJ2676, Engine Make Detroit 5KJJBHDR4MLMJ2676