Genuine OEM Volkswagen Fuel Filter Insert, part number 7L6127434C. This filter removes impurities and contaminants from the fuel, protecting the engine's fuel injection system and ensuring clean combustion. It is typically located within the fuel system housing. Measuring approximately 103mm in diameter and 90mm in height, this filter insert is designed for precise fitment. Using a genuine OEM fuel filter ensures proper filtration efficiency and maintains the integrity of the fuel system.