Some items from this specific schematic: Cushion F/tank Fr, Screw,cross 4x25, Bolt,flange,6x20, Clip Breather Tube.
The Screw,cross 4x25 is the lowest priced item on this Air Cleaner (1) schematic.
The Band B,conn.tube is the most widely applied product in the XL600V TRANSALP 1987 (H) GERMANY / 27P AIR CLEANER (1) ( three times ).