Genuine OEM Audi Lambda Sensor, part number 07K906262A. This sensor measures oxygen levels in the exhaust gas, providing critical data to the engine control unit for optimizing fuel injection and emissions control. It is typically located in the exhaust system. The sensor features a durable construction designed for high-temperature environments. Genuine OEM lambda sensors are precisely calibrated to ensure accurate readings, contributing to optimal engine performance, fuel economy, and reduced emissions.