Genuine OEM Audi Engine Air Filter, part number 4K0133843G. This filter element is designed to effectively clean incoming air, preventing dust, debris, and contaminants from entering the engine's combustion chambers. It ensures optimal engine performance and longevity by maintaining a clean air supply. Weighing approximately 0.436 kg, this genuine OEM air filter provides superior filtration efficiency and precise fitment, protecting critical engine components from wear.