Genuine OEM Volkswagen Lambda Probe, part number 04L906262P. This sensor is crucial for monitoring oxygen levels in the exhaust gases. It provides vital data to the engine control unit (ECU) to optimize the air-fuel ratio, ensuring efficient combustion and minimizing emissions. Located in the exhaust system, this lambda probe's accurate readings are essential for emissions compliance and fuel economy. Genuine OEM lambda probes are manufactured to exact specifications for reliable performance and longevity.