Genuine OEM Volkswagen Radiator Air Duct, part number 2G0121284J. This component is crucial for directing ambient airflow directly to the radiator, maximizing its cooling efficiency and helping to maintain optimal engine operating temperatures. Constructed from durable, heat-resistant black plastic, this air duct measures approximately 48.5 cm in length. Opting for a genuine OEM radiator air duct ensures a precise fit and proper aerodynamic design, which is vital for effective heat dissipation and the longevity of the engine.