Cummins Paccar MX13 NOx Sensor 2872944 5WK96740, Fits 2013-2022 Models

2013–2022 heavy-duty trucks with Cummins PACCAR MX13 engine (for Volvo, Peterbilt, Kenworth, etc.) may use NOx sensor OEM numbers 2872944 and 5WK96740. The sensor monitors NOx concentration in exhaust in real time and feeds ECU data to optimize SCR injection, meeting from Euro IV to Euro VI standards. Interface compatible with original equipment; replacement medium; use dedicated socket to remove old part.