The product is a genuine OEM mass air flow sensor (MAF sensor) designed for various Audi models from 2009 to 2017. Specifically, it is intended for the 2.0L engines found in the A3, A4, A5, A6, Q3, and Q5 vehicles. The sensor, with manufacturer part number 06J906461D, is a crucial component for measuring the amount of air entering the engine, ensuring optimal fuel efficiency and performance. Additionally, it is a performance part that offers universal fitment for the specified Audi models, making it a reliable and essential accessory for car enthusiasts looking to maintain their vehicle's efficiency and accuracy.