British Seagull® Outboard QB Series Fuel Pipe Non-Return Valve locates in the British Seagull Outboard QB Series Fuel Pump Fuel Pipe & Non-Return Valve to prevent fuel from returning the wrong way through the fuel line on pump feed QB Series engines.
This British Seagull part is suitable for all QB Series British Seagull Outboards with a pump feed fuel system, including K, KL, O & OL engines only.