Of all the components used in this assembly the Cleaner Assy,air is the most expensive.
With five applications this Nut is the most specified part.
Parts such as the Air Cleaner (model K3/k4/k5/k6): Gasket (nas), Clamp, Cap,air Cleaner, Washer are included in the Rm250z 2006 (k6) Usa (e03) Air Cleaner (model K3/k4/k5/k6) parts fiche.