Genuine OEM Volkswagen Hexagon Flange Screw, part number WHT011490. This screw is used to secure components within the 8-speed automatic gearbox and also attaches to the A/C condenser. It is identified as item 5 in the provided diagram. The flange head provides a larger bearing surface, distributing load and ensuring a secure connection. Genuine OEM screws are manufactured with precise tolerances for proper thread engagement and material integrity.