The Steering assembly is constructed from several parts from which the Bearing is the most expensive.
On this parts fiche the Bolt(3rv) is the most specified component.
Parts such as the Steering: Bolt(3rv), Washer(6ta), Washer, Bolt, Washer Based are included in the Ttr90 2003 5hnc Switzerland 1b5hn-100e1 Steering parts fiche.