Genuine OEM Volkswagen Lambda Sensor, part number 06K906262DH. This sensor plays a critical role in monitoring the oxygen levels within the exhaust system. Its readings are used by the engine control unit to fine-tune the air-fuel mixture, thereby optimizing combustion efficiency and reducing harmful emissions. The sensor has a length of 0.11 meters and a width of 0.07 meters. Using genuine OEM lambda sensors guarantees the precise calibration required for accurate exhaust gas analysis, which is essential for maintaining engine health and meeting environmental regulations.