Mercedes-Benz NOx Sensor A0101539428 5WK96363 24V Genuine Replacement Part

This nitrogen oxide sensor is specially designed for Mercedes-Benz Actros, Axor, Atego and other truck series, compatible with 24V electrical systems in 2005-2013 models powered by OM501/OM502/OM906/OM457 engines, particularly for vehicles using SCR aftertreatment technology meeting Euro 4/Euro 5 emissions standards. The part monitors nitrogen oxide concentrations in the exhaust and feeds signals back to the engine ECU to optimize AdBlue spray, ensuring emissions compliance and improving fuel economy. OEM number is A0101539428, corresponding to 5WK96363/5WK9 6363; buyers can cross-check directly with the original part. Replacement difficulty is moderate; disconnect the battery negative terminal and carefully detach/attach exhaust pipe interfaces. It is recommended to use a specialized wrench to avoid damaging sensor threads. As an OEM replacement, KLP brand provides stable performance, suitable for bulk procurement for fleet maintenance or inventory replenishment.