Genuine OEM Volkswagen Lambda Probe, part number 04E906262H. This sensor measures oxygen content in the exhaust gas, providing critical data to the engine control unit for optimizing fuel injection and emissions. It is typically located in the exhaust system before the catalytic converter. The part weighs 0.184 kg and has dimensions of 0.13m x 0.06m x 0.03m. Genuine OEM lambda probes are precisely calibrated to ensure accurate readings for optimal engine performance and emissions compliance.