This differential pressure sensor is a direct replacement for Cummins ISX and QSX engines. It precisely monitors exhaust gas recirculation and differential pressure to keep engines running at peak efficiency. By detecting even small variations in pressure, it helps maintain optimal fuel efficiency and emission control. Whether replacing a failed original sensor or upgrading to this high-quality OEM-comparable part, you can be confident in its ability to withstand extreme under-hood temperatures while providing stable, accurate readings year after year. Plug-and-play installation means minimal hassle and downtime getting your commercial vehicle back on the road.