O.S. High Pressure Check Valve 91HZ-R

Tower Stock# LXZWG4  •  Manufacturer Stock# 72403070
O.S. High Pressure Check Valve 91HZ-R (large view)
Quantity Discounts Available
Save $1.38
2 for $29.60
Save $2.31
3 for $44.16
Save $4.25
5 for $73.20
Notes from our tech department:
This is the O.S. Check Valve for the FS200S-FI and 91HZ Engines.
This valve pressurizes the fuel tank with the primary pressure
generated in the crank chamber while preventing the return of fuel.


Replaces damaged or worn check valves
Aluminum construction
One way flow design provides accurate tank pressure for fuel delivery
Designed for glow fuel application only


One O.S. Max Check Valve


Running silicone fuel tubing from pressure nipple at fuel tank cap to
check valve, and then to engine

lmm 8.17.10

Parts Compatibility
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