On this parts fiche the Clamp Click 16.8mm is the most specified component.
This 016a Intake Manifolds diagram displays the required parts for the M620 2004 Eu (monster 620) 9151-1402c 016a Intake Manifolds.
A sample from the products for the 016a Intake Manifolds include: Aluminium Gasket, Throttle Body, O-ring, Nut M8.