Genuine OEM Audi Lambda Probe, part number 03F906262C. This sensor is a vital component of the exhaust system, responsible for monitoring oxygen levels in the exhaust gas. Its readings are sent to the engine control unit to optimize the air-fuel mixture for efficient combustion and reduced emissions. With a length of approximately 0.32 meters and weighing 0.128 kg, it is designed for precise installation. Using a genuine OEM lambda probe ensures accurate signal characteristics and factory calibration, critical for proper engine performance and emissions compliance.