Shop new and used Freightliner Cascadia 125 Diesel Exhaust Fluid (DEF) Tanks on MyLittleSalesman.com . Compare active listings with prices from $45 to $2,500. Sellers include Garabedian Equipment, LKQ Heavy Truck, and CRG Heavy Truck Parts. Filter by condition, price, or year to find the Freightliner Cascadia 125 DEF Tank that fits your job.