Genuine OEM Volkswagen Radiator Air Deflector Insulator, part number 5GE121745. This component plays a role in the engine cooling system by precisely directing airflow towards the radiator, ensuring maximum heat exchange efficiency. It is positioned on the left side of the radiator support frame. Weighing a mere 0.018 kg, this insulator is typically made from durable, lightweight plastic. Using a genuine OEM air deflector insulator ensures the correct shape and mounting points for optimal airflow management, which is critical for maintaining engine operating temperatures and preventing overheating.