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Diesel Exhaust Fluid (DEF)

2 products
Buy diesel exhaust fluid at Grainger and help selective catalytic reduction (SCR) diesel engines meet the EPA’s near-zero emissions requirements. The after treatment for this new technology allows vehicles to be optimized for performance and fuel economy. Diesel exhaust fluid is injected into the engine to create ammonia and reacts with a catalyst to form harmless nitrogen and water vapor.
    Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.