The Sierra 18-3609 Thermostat Kit replaces Yamaha 6E5-12411-30 for Yamaha Outboard applications. It renews the thermostat and associated sealing components used to regulate engine operating temperature.
Temperature Rating: 122°F / 50°C
Kit Contains:
18-0829 - Cover Gasket (6H4-12414-00)
18-3540 - Thermostat (6E5-12411-30)
Need help with fitment? Contact us with your engine model and serial number and we'll help check suitability.
What is Sierra 18-3609?
Sierra 18-3609 is an aftermarket thermostat kit for Yamaha Outboard applications.
Which part numbers cross-reference Sierra 18-3609?
This listing cross-references Yamaha 6E5-12411-30. See the Cross References & Alternative Products section above for linked alternatives where available.
How can I check whether Sierra 18-3609 fits my Yamaha Outboard application?
Contact us with your engine model and serial number and we'll help check suitability.
Australian Dollars
