Parts/Engines & fuel/Engine parts/O.S. Engines High Pressure Check Valve
O.S. Engines High Pressure Check Valve
O.S.

O.S. Engines High Pressure Check Valve

Part # OSM72403070
Where to buy
$14.99
AMain Hobbies
Seen Oct 12, 2026
$14.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

This is a replacement O.S. Engines High Pressure Check Valve. This valve pressurizes the fuel tank using the pressure developed in the crank chamber and prevents the return of fuel. 

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