Genuine OEM Volkswagen Fuel Filler Neck Hose, part number 2E0201135E. This hose is designed to connect the fuel filler neck to the fuel tank, providing a secure and leak-free path for fuel. Positioned within the fuel system, it is engineered to resist fuel degradation and maintain flexibility. Its precise routing geometry and material composition are crucial for preventing fuel leaks and ensuring long-term durability, a key benefit of genuine OEM fuel system components.