Genuine OEM Volkswagen Lambda Sensor, part number 059906262S. This sensor measures the oxygen content in the exhaust gases, providing crucial data to the engine control unit for optimizing fuel combustion and reducing emissions. It is typically located in the exhaust system. The sensor has a weight of 0.125 kg and dimensions of 0.14m x 0.09m x 0.04m. Genuine OEM lambda sensors are precisely calibrated to ensure accurate readings and optimal engine performance, contributing to fuel efficiency and emissions control.