502 Cylinder Head Gasket | Crusader 31137 Fuel Pumps Sierra Thermostat Kit

Sierra Thermostat Kit

BRACKET OIL FILTER

Uses internal retaining clips

-12 OMC heads

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502 Cylinder Head Gasket | Crusader 31137 Fuel Pumps Sierra Thermostat KitOEM marine head gasket fits Crusader GM Mark V 502 cu. in. marine engines. 502 Cylinder Head Gasket Crusader 31137 For GM Mark V 8. 2L 502 CID marine engines Sold separately 2 needed per engine Original Crusader Replaces Mercury 27 879150139 Replaces OMC 3853511 Frequently Asked Questions Is there an octane grade that is advised for Crusader engines given the current rise in gas prices? Maximum performance is attained while using 87 octane fuel since