Genuine OEM Volkswagen Lambda Probe, part number 03P906262A. This sensor is designed to monitor the oxygen content in the exhaust gases, providing critical data to the engine control unit for optimizing fuel injection and emissions. It is typically installed in the exhaust manifold or pipe. The probe is constructed with specialized materials to withstand high temperatures and corrosive exhaust gases. Genuine OEM lambda probes are calibrated for precise measurements, ensuring optimal engine performance and compliance with emissions standards.