This FEBI BILSTEIN NOx sensor, part number 197513, is designed for urea injection systems. It plays a crucial role in monitoring nitrogen oxide (NOx) emissions from your vehicle's exhaust. By accurately measuring NOx levels, this sensor helps the engine control unit (ECU) to optimize the AdBlue (urea) injection process. This ensures that the selective catalytic reduction (SCR) system functions effectively, reducing harmful emissions and contributing to cleaner air. FEBI BILSTEIN is known for producing high-quality components that meet stringent automotive standards. This NOx sensor is built to provide reliable performance and durability, ensuring consistent operation of your vehicle's emissions control system.