Genuine OEM Volkswagen Lambda Probe, part number 04E906262CF. This sensor is designed to measure the oxygen content in the exhaust gases, providing crucial data to the engine control unit for optimizing fuel injection and combustion. It is typically located in the exhaust system. This lambda probe features a durable construction with a heated sensor element. Genuine OEM sensors are calibrated to precise specifications, ensuring accurate air-fuel ratio readings for optimal engine performance, fuel efficiency, and emissions compliance.