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* Estimated stock levels as of Fri, Oct 18, 2019. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availablity of items marked as Limited Stock.
Non-toxic, clear urea solution for use as a reducing agent for selective catalytic reduction systems in diesel-powered vehicles. Breaks down toxic NOx emissions. Stored in a supplementary tank on the vehicle. DEF is a 32.5 percent aqueous urea solution Complies to global quality standards DIN 70070 and ISO 22241. Meets all EPA standards and bears the American Petroleum Institute API symbol.