Genuine OEM Volkswagen Vacuum Hose, part number 04L131055F. This flexible hose is designed to transmit vacuum pressure to various engine components, playing a crucial role in systems like emissions control, brake boosting, or turbocharger regulation. Its precise routing and durable construction ensure reliable operation and maintain optimal engine performance. Using genuine OEM hoses guarantees correct material composition and resistance to engine bay conditions, preventing leaks and ensuring system integrity.