This 24V Nitrogen Oxide Sensor with OEM codes 5WK96783B, 51154080011 and 51154080018 fits MAN TGX, F2000 and TGA truck engines perfectly. It accurately detects NOx content in exhaust gas to support SCR emission control. Adopting high-grade electronic components and durable shell, it resists high temperature and engine vibration. Made to standard OEM specifications, it is easy to install and a perfect replacement for failed or ageing original NOx sensors.