Genuine OEM Volkswagen Hex Collared Bolt, part number N91037802. This bolt has a hexagonal head and an integrated flange or collar, designed to distribute load and eliminate the need for a separate washer. It is located at position 25 in the transmission assembly diagram. The collared design provides a larger bearing surface for secure mounting. Genuine OEM bolts are made from high-strength materials to withstand significant torque and stress.