Genuine OEM Volkswagen Radiator Air Guide, part number 5NN121283AH. This component is essential for directing and optimizing airflow to the radiator, ensuring efficient engine cooling and preventing overheating. It is installed on the left side of the radiator assembly. Made from durable, heat-resistant plastic, it measures approximately 0.518m in length. Using a genuine OEM air guide guarantees the correct aerodynamic shape and mounting points, crucial for maintaining factory cooling system performance.