Genuine OEM Audi Fuel Filter with Pressure Regulator, part number 4F0201511E. This critical component purifies fuel by removing contaminants before it reaches the engine, protecting sensitive fuel system components. It also features an integrated 6 bar pressure regulator to maintain consistent fuel pressure for optimal engine performance. Weighing 0.319 kg, this filter is designed for precise filtration and pressure control. Using a genuine OEM fuel filter ensures correct filtration efficiency and reliable fuel pressure regulation, crucial for engine longevity and performance.