The Srs Unit assembly is constructed from several parts from which the Unit Assy,srs is the most expensive.
The Bolt 6x20. Torx Eart is the cheapest item from this partsfiche.
Some items from this specific schematic: Sensor Assy,front, Sensor Assy,side, Bolt 6x20. Torx Eart, Sensor Assy,front.