This product is a Genuine VW / Audi Mass Air Flow Sensor (part number 077133471J) designed for use in A8 Quattro, Allroad Quattro, and A6 Quattro vehicles. It is a high-quality replacement part that measures the amount of air entering the engine and sends this information to the engine control unit. This sensor is essential for maintaining proper fuel-to-air ratio and ensuring optimal engine performance. It is a direct fit for the specified vehicles and does not include any newline characters.