KING DEF Diesel Exhaust Fluid (DEF) is a safe, easy-to-handle nontoxic solution of 67.5% de-ionized water and 32.5% automotive grade urea. This Aqueous Urea Solution (AUS32) is for use in ALL SCR (Selective Catalytic Reduction) Emission Control Systems to reduce the the emission of harmful toxic diesel engine emissions, NOx.

DEF (Diesel Exhaust Fluid) is a reducing agent which is  injected into the exhaust stream over a catalyst, which converts the toxic Nitric Oxide exhaust (NOx) into nitrogen gas and water vapor, two harmless and natural components of the air.  DEF is non, toxic, stable, colorless and odorless.

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KING DEF marketed diesel exhaust fluids meet ISO  22241-1 standard for purity, composition and API certification (American Petroleum Institute).  

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Conveniently packaged for quick deployment 

• 1 gallon jugs - 6 pack

• 2.5-gallon jugs - 2 pack

• 55-gallon drums

• 275-gallon and 300-gallon IBC totes.

• Pump and Tank Systems available