Genuine OEM Volkswagen Lambda Oxygen Sensor, part number 06K906262DA. This sensor plays a critical role in the exhaust system by measuring oxygen levels in the exhaust gas, which is essential for the engine control unit to optimize fuel mixture and reduce emissions. Weighing approximately 0.145 kg, this sensor is built for durability and precise operation within the harsh exhaust environment. Opting for a genuine OEM oxygen sensor ensures accurate readings and seamless integration with the vehicle's complex emissions control system, maintaining optimal performance and compliance.