Genuine OEM Audi Lower Fuel Filter Retaining Plate, part number 4H0201710E. This plate is designed to securely hold the fuel filter in its designated position within the fuel system. It is located beneath the fuel filter, providing stable support and preventing unwanted movement. Weighing 0.134 kg, this retaining plate measures approximately 0.325m in length. Using a genuine OEM retaining plate ensures precise fitment and robust construction, critical for maintaining the integrity of the fuel system and preventing damage to the fuel filter from vibrations or impacts.