Sierra 18-3540 Thermostat for Yamaha
- Brand:
- Sierra
- Part no:
- 18-3540
Where to buy
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A Sierra thermostat, part number 18-3540, for Yamaha engines. It is matched to Yamaha part number 6E5-12411-30-00. No opening temperature is given, so check that figure against your engine's specification before fitting.
Our take
The tie to Yamaha number 6E5-12411-30-00 is the useful detail, since you can compare it with the number on your old thermostat. No opening temperature is stated, so check your engine's specification.