The WA902-18-7921 is an NOx (Nitrogen Oxide) Sensor used to monitor exhaust gas emissions as part of the engine's SCR aftertreatment system. This sensor interchanges with Cummins 4326870 and Cummins 3687930, making it a direct cross-reference option for fleets replacing OEM Cummins sensors.
Features
Nitrogen Oxide (NOx) Sensor
Part number WA902-18-7921
Interchanges with Cummins 4326870
Interchanges with Cummins 3687930
