The Sierra 18-3648 Thermostat Kit replaces Mercruiser 8M0109441 for Mercruiser applications. It renews the thermostat and associated sealing components used to regulate engine operating temperature.
Temperature Rating: 160°F
Kit Contains:
18-2917-9Â Gasket, Thermostat Housing
18-2553-9Â Gasket, Thermostat
18-3649Â Â Â Thermostat
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-3648?
Sierra 18-3648 is an aftermarket thermostat kit for Mercruiser applications.
Which part numbers cross-reference Sierra 18-3648?
This listing cross-references Mercruiser 807252Q5 and Mercruiser 8M0109441. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-3648 fits my Mercruiser application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
