Genuine OEM Volkswagen Air Housing Stop Buffer, part number 4M0133567A. This small but essential component is designed to provide a precise stopping point for the air filter housing, ensuring it remains securely in place. It helps to dampen vibrations and prevent wear or damage to the air intake system. Located on the air filter housing, it weighs approximately 0.0116 kg. Using a genuine OEM buffer ensures the correct material composition and dimensional accuracy for proper fitment and long-term durability, maintaining the integrity of the air intake assembly.