Genuine OEM Volkswagen Lambda Sensor, part number 06A906262CR. This lambda sensor is an integral part of the engine management system, responsible for measuring the oxygen content in the exhaust stream. By providing real-time data, it allows the engine control unit to precisely regulate the air-fuel mixture for optimal combustion and reduced emissions. The sensor has a length of 0.12 meters and a width of 0.03 meters. Genuine OEM lambda sensors are crucial for maintaining the correct calibration and responsiveness needed for efficient engine operation and compliance with emission standards.