Genuine VW/Audi Fuel Filter Check Valve - 1J0127247A - This genuine OEM VW/Audi fuel filter check valve is designed to help keep your vehicle running smoothly and efficiently by ensuring that the fuel filter is operating correctly. The valve is constructed using high-quality materials for a long-lasting and reliable performance. It is made to fit a variety of VW and Audi models and is an easy-to-install replacement part.