Genuine OEM Audi Front Lambda Oxygen Sensor, part number 06E906265AK. This sensor is vital for monitoring the oxygen content in the exhaust gases, providing critical feedback to the engine control unit to maintain the ideal air-fuel ratio. It is positioned in the front section of the exhaust system, typically before the catalytic converter. Weighing approximately 0.152 kg, this sensor is engineered for accuracy and durability. Choosing a genuine OEM sensor ensures correct signal characteristics and seamless integration with the vehicle's electronic systems, which is crucial for reliable engine performance and emission compliance.