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CTA 7222 DEF Filler Funnel Adapter – GMC

Special adapter for 7220 DEF Filler Funnel Kit that services GMC Diesel Vehicles.

  • Closes DEF system for fast and spill free filling of DEF.
  • Threaded end fits 7220 white adapter.
  • Other end mates with GMC DEF fill tanks.
$9.79

Out of stock

Special adapter for 7220 DEF Filler Funnel Kit that services GMC Diesel Vehicles.

  • Closes DEF system for fast and spill free filling of DEF.
  • Threaded end fits 7220 white adapter.
  • Other end mates with GMC DEF fill tanks.
What is DEF?

Diesel Exhaust Fluid (DEF) is used in modern diesel engine applications to reduce harmful emissions of nitrogen oxides (NOx) from the vehicle’s exhaust. DEF is a solution made of 32.5% urea and 67.5% deionized water. When injected into the exhaust system, DEF reacts with the NOx emissions and converts them into harmless nitrogen gas and water vapor.

The use of DEF is required by law in many countries to meet emissions regulations. It is typically stored in a separate tank on the vehicle, and the engine’s electronic control unit (ECU) monitors the DEF level and injection rate to ensure that the emissions are within legal limits. DEF injection is typically done in the exhaust pipe, downstream of the engine and diesel particulate filter.

DEF is a crucial component in reducing diesel engine emissions and improving air quality. Its use has helped to reduce smog-forming pollutants and improve the health and quality of life for people living in urban areas with high levels of diesel vehicle traffic.

Additional information

Weight 0.1 lbs

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