Genuine OEM Volkswagen Oxygen Sensor, part number 022906262BS. This sensor measures the oxygen content in the exhaust gas, providing crucial data for engine management to optimize fuel mixture and reduce emissions. It is positioned at the rear, on the left side of the exhaust system. Weighing 0.16 kg with a cable length of 0.62 m. Choosing a genuine OEM oxygen sensor ensures accurate signal characteristics and factory calibration, critical for proper engine function and long-term emissions system reliability.