Specifically designed for diesel engines, ACDelco Diesel Exhaust Fluid (DEF) is an aldehyde free, NOx (Nitrous Oxide) reducing treatment. ACDelco Diesel Exhaust Fluid is a stable, colorless, non-flammable, non-toxic primary component used to help convert NOx, an environmental pollutant, into harmless nitrogen and water. This product is a mixture of high purity synthetic urea and deionized water and is classified as minimum risk for transportation. ACDelco Diesel Exhaust Fluid meets the stringent ISO 22241 standard for purity and concentration, meets API regulations, and meets GM OE specifications.

• Meets GM OE specifications to be approved for use in GM vehicles as well as in non-GM diesel vehicles that have an SCR system to meet regulated NOx emissions
• High quality formula is made from high purity urea and deionized water. It contains no chemical additives or other components that could cause SCR (Selective Catalytic Reduction) system failure
• Includes vented nozzle(s) that make pouring easy by helping to prevent glugging

Never pour Diesel Exhaust Fluid (DEF) into the fuel tank. It should only be dispensed into the designated DEF Tank.

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