Mercedes-Benz Universal NOx Sensor A0009058511/A0009058311/A0009058411 SNS1008

Nitrogen oxide sensor for Mercedes diesel engines, compatible with OEM numbers A0009058511, A0009058311, A0009058411 and SNS1008, installed near the SCR catalyst in the exhaust pipe. Its core function is to monitor NOx concentration in exhaust in real time and assist ECU to precisely control urea injection to ensure emissions compliance. Suitable for many Mercedes diesel engines; installation difficulty: medium; estimated labor about 1 hour. Note to secure wiring harness and avoid high-temperature areas of the exhaust. If the dash shows check engine light or urea consumption is abnormal, sensor signal may be drifted.