Diesel Exhaust Fluid Emission Reduction Urea Heater Sender Plastic Reservoir 561198970 for VW passat AD Blue assembly installed in the urea reservoir Heating urea through heating device, to make the urea can be transported by AD Blue Giving feedback of urea liquid height and urea reservoir temperature through liquid level sensor and temperature sensor. Features and advantages: High degree of integration High heating speed High precision of liquid level sensor
