Sierra 18-3541 Thermostat for Yamaha Outboards
- Brand:
- Sierra
- Part no:
- 18-3541
Where to buy
View on Amazonpaid link
This is the Sierra 18-3541, a replacement thermostat for Yamaha outboards. It has a temperature rating of 140°F / 60°C. It is intended to be used with the 18-3611 thermostat kit. The part number to match is 18-3541. Check it against your outboard before you rely on it.
Our take
The 140°F / 60°C temperature rating is the figure that defines the Sierra 18-3541, so compare it with the thermostat you are replacing on your Yamaha. It is also stated for use with the 18-3611 thermostat kit.