Genuine OEM Volkswagen Hex Socket Bolt, part number N90735701. This bolt is used in heating and A/C systems, potentially for securing ducting or related components. It features a specific head type and thread for reliable attachment. The bolt's dimensions and material are engineered to meet the requirements of the climate control system. Genuine OEM bolts ensure the correct fit and durability for maintaining the efficiency and function of the heating and A/C system.