The British Seagull® Outboard Amal 416 carburettor fuel filter disc fits on to the fuel input spigot on the carburettor, helping to prevent dirt in the fuel from passing into the carburettor.
This part is suitable for all British Seagull Outboard engines fitted with the Amal 416 Carburettor including: AF, EF, FS, SEF, TSEF, AFPC, SEFPC, TSEFPC, EFPW, AFPW, EGFPW, WSC, ESC, WSPC, ESPC & EFNR, some very late EFPC & WS (not so common as the EFPC) and QB Series engines including Amal 418 & 420 carburettors.