Genuine OEM Volkswagen Air Mass Flow Meter, part number 06A906461G. This sensor precisely measures the mass of air entering the engine's intake system, providing crucial data to the engine control unit for calculating the correct fuel-air mixture. It is typically located in the intake tract between the air filter and the throttle body. Weighing approximately 0.293 kg and measuring 0.135m in length, this meter is built to exact factory specifications. Choosing a genuine OEM air mass flow meter ensures accurate and consistent readings, which are vital for engine performance, fuel economy, and emissions compliance.