The component with the lowest price in the AIR CLEANER (REAR)(MODEL S) schematic is the Screw.
This schematic depicts all components used in the Vs1400glp 1991 (m) (e01 E04 E17 E21 E22 E34 E39) Air Cleaner (rear)(model S) partslist.
With a quantity of three pieces, the Bolt is the most used part in the AIR CLEANER (REAR)(MODEL S) diagram.