Genuine OEM Volkswagen Hexagon Bolt, part number N91193701. This fastener is specifically designed for use in the vehicle exhaust system, often securing brackets near the catalytic converter or downpipe. It is engineered to withstand the extreme heat and corrosive environment typical of exhaust gas pathways. The bolt features a standard hexagonal head for easy installation with common workshop tools. Genuine OEM exhaust hardware is treated with specialized coatings to resist seizing and rust, ensuring easier serviceability and long-term durability.