Genuine OEM Audi Air Mass Meter Sensor, part number 06F906461A. This vital component precisely measures the mass of air drawn into the engine's intake. It sends crucial data to the engine control unit to calculate the correct fuel-air ratio for efficient combustion. Weighing approximately 0.054 kg, this sensor is built to factory specifications. Opting for a genuine OEM sensor guarantees accurate readings, proper signal output, and durability, which are essential for engine performance and emissions control.