On this parts fiche the Band Harn (und-13) is the most specified component.
The component with the lowest price in the SRS UNIT schematic is the Screw,tapping,(po)4x.
Some items from this specific schematic: Holdr Conn 6p(cab, Band Wire Harn (poun, Bolt 6x16 Torx Ea, Screw,tapping,(po)4x.