The British Seagull® Bing Carburettor Filter Cover Washer seals between the filter cover and filter cover screw holding the fuel filter disc in place.
This British Seagull part is suitable for GF, GFS, EGF, GFP and GFPC British Seagull Outboard Engines.
The British Seagull Bing Carburettor Filter Cover and Cover Screw are sold separately at Sheridan Marine.