Genuine OEM Volkswagen double collared stud, part number N91094102. This specialized threaded fastener features two distinct collars to provide precise alignment and secure mounting for components within the engine mounting assembly. It is located at position 3 in the diagram. This stud is manufactured to exact dimensional tolerances to ensure proper fitment and load distribution. Genuine OEM studs are essential for maintaining correct component spacing and preventing vibration-related damage in engine-mounted systems.