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NOX SENSOR DAF LF EURO 6 LF45 – 2894940

Part No. 2894940

NOX SENSOR DAF LF CUMMINS

LENGTH: 1133MM

OEM Reference Number

DAF – 1705520  DAF – 1705572  DAF – 2894940  DAF – 1703687  DAF – 1702178   CONTINENTAL – 5WK96675A

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The term NOX SENSOR represents several forms of nitrogen oxides such as NO (nitric oxide), NO2 (nitrogen dioxide) and N2O (nitrous oxide, also known as laughing gas). In a gasoline engine, NOX is the most common form of NOX at around 93%, while NO2 is around 5% and the rest is N2O. There are other forms of NOX such as N2O4 (the dimer of NO2), which only exists at lower temperatures, and N2O5, for example. However, owing to much higher combustion temperatures due to high cylinder compression and turbo or supercharging, diesel engines produce much higher engine-out NOX SENSOR emissions than spark-ignition gasoline engines. The recent availability of Selective catalytic reduction (SCR) allows the properly equipped diesel engine to emit similar values of NOX at the tailpipe compared to a typical gasoline engine with a 3-way catalyst. In addition, the diesel oxidation catalyst significantly increases the fraction of NO2 in “NOX” by oxidizing over 50% of NO using the excess oxygen in the diesel exhaust gases.

The drive to develop a NOX SENSOR comes from environmental factors. NOX SENSOR gases can cause various problems such as smog and acid rain. Many governments around the world have passed laws to limit their emissions (along with other combustion gases such as SOx (oxides of sulfur), CO (carbon monoxide) and CO2 (carbon dioxide) and hydrocarbons). Companies have realized that one way of minimizing NOX SENSOR emissions is to first detect them and then employ some sort of feedback loop in the combustion process, minimizing NOX production by, for example, combustion optimization or regeneration of NOX traps.

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