The Schaeffler Vitesco Urea Injection Nox Sensor 571001910 is a high-quality car part designed for diesel exhaust systems. This sensor is specifically made for injector systems, ensuring accurate monitoring and control of emissions. With reference OE/OEM numbers 9817454580 and 9821120780, this product is a reliable choice for maintaining your vehicle's exhaust and emission systems. Trust in the Schaeffler Vitesco brand for quality and performance in your diesel fuel injection system.