Genuine OEM Audi Engine Air Filter, part number 8T0133843A. This essential component cleans incoming air, preventing contaminants from entering the engine's combustion chambers. It is typically installed in the airbox on the right side of the engine compartment. Measuring approximately 0.21 meters in length, 0.16 meters in width, and 0.05 meters in height, it features pleated filter media. Using a genuine OEM air filter guarantees the correct filtration efficiency and airflow, protecting the engine from wear and maintaining fuel efficiency.