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Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water.
What is diesel exhaust fluid, what does it do, how long does it last, and best product recommendations related to DEF!
Diesel Exhaust Fluid and selective catalytic reduction are working to make diesel cleaner more efficient than ever.
Reduce emissions and keep your diesel vehicle running clean with diesel exhaust fluid (DEF) from AutoZone. We sell the best brands, including AutoZone, Lumax, and Peak Blue DEF fluid. We also sell accessories, like a DEF pump, nozzle, flow meter, or coupler.
What is Diesel Exhaust Fluid. Diesel Exhaust Fluid is a crucial component used in modern diesel engines equipped with Selective Catalytic Reduction (SCR) systems to reduce harmful nitrogen oxide (NOx) emissions. Here’s a breakdown of its properties, composition, and importance:
Keeping them burning clean is difficult. But one of the secrets to mitigating their emissions is the usage of diesel exhaust fluid (DEF), also known as AdBlue.
We answer dozens of your DEF diesel exhaust fluid questions. Simple and technical answers from an experienced diesel engine expert trainer.