Cummins NOx Sensor 5WK96691A 2872236 2894944 High efficiency, environmentally friendly, stable and reliable

Cummins ISB/ISL/ISC engine NOx sensor (OEM number 5WK96691A, compatible with 2872236 and 2894944 original numbers), installed in exhaust piping, monitors NOx concentration in real time and feeds ECU to optimize combustion and SCR downstream processing. If vehicle shows power loss, higher fuel consumption, fault light on, or abnormal urea consumption, sensor replacement is indicated. Medium installation difficulty; about 30 minutes; avoid bending harness.