Genuine OEM Volkswagen Oval Hexagon Socket Bolt, part number N90744501. This bolt is used to fasten components within the high-pressure fuel system and features an oval hexagon socket head. It is located at position 10 on the diagram. The bolt has a weight of 0.0093 kg and dimensions of 0.021m x 0.013m x 0.013m. Genuine OEM bolts for fuel systems are manufactured to exact specifications to ensure leak-free operation and reliable performance under high pressure.