The 47520143 is a genuine OEM AdBlue Sensor designed for New Holland agricultural machinery. This critical component monitors the Diesel Exhaust Fluid (DEF) level and quality, ensuring optimal performance of the SCR (Selective Catalytic Reduction) system for emissions control. It is compatible with various New Holland T6, T7, T8, T9 series tractors and CX, CR series combines, as well as Case IH and Steyr models. Replacing a faulty sensor with this OEM part helps maintain compliance with emission standards and prevents system errors.