FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Diesel Exhaust Fluid Injector - Description





DESCRIPTION

The Diesel Exhaust Fluid (DEF) injector is similar to a fuel injector, but modified to be compatible with the Urea fluid. The DEF injector is mounted to the front of the Selective Catalytic Reduction (SCR) catalyst and is designed to operate in a underbody environment.