The Tube,air Cleaner Outlet is the most widely applied product in the GSX550ES 1987 (H) (E02 E04 E21 E22 E25) AIR CLEANER ( two times ).
The Air Cleaner assembly is constructed from several parts from which the Cleaner Assembly,air is the most expensive.
The Washer,lock is the lowest priced item on this Air Cleaner schematic.