Mercedes-Benz Truck NOx Sensor 5WK96659C A0101539628 Precise detection of exhaust emissions

KLP brand NOx sensor (OEM number 5WK96659C/A0101539628), uses high-temperature ceramic probe and sealed welding structure, material process aligned with original factory standards, real-world durability tested for over 200,000 km under normal conditions. Fits Mercedes-Benz Actros, Axor and other trucks with OM501/OM502 engines. Monitors NOx concentration in exhaust by electrochemical principle and feeds ECU to precisely control SCR urea injection, ensuring emissions compliance. Replacement difficulty is medium.