Description:

OEM Part Number7P6198970, 7P6198970A, 7P6198970B, 7P6 198 970, 7P6 198 970 A, 7P6 198 970 B.. Diesel Exhaust Fluid Heatercommonly referred to as a "DEF heater", is located in a DEF(diesel exhaust fluid) tank and actually contains a pickup tube for the reducing agent pump module, an electric heating element, a temperature sensor, and an electrode type level sensor.The whole device is called "reducing agent heater and transmitter assembly".. Diesel Exhaust Fluid Reservoir Heater:Replacement for 2011-2015 volkswagen touareg sport utility 4-door,2013-2015 Replacement for porsche cayenne sport utility 4-door.. Function: When the temperature is below the freezing point, the gearbox heater keeps the temperature of the reducer;A reducing agent is a reducing agent that helps reduce the oxidation of nitrogen oxides (NOx) in the system after diesel exhaust to reduce the amount of nox and release it into the exhaust system, reducing the concentration of nox in the engine's diesel emissions..