- BY Series
- 4BY150 : 150 HP
- 165001-35710 Thermostat
165001-35710 Thermostat assembly
Please allow 2 – 4 business days processing time for all BY parts.
We stock all of the standard Yanmar repair parts. If you don’t see what you’re looking for, please inquire about special ordering what you need. Parts that have to be special ordered may be subject to a restricted return policy. All prices & part numbers are subject to change. We Ship UPS ground, overnight, and second day air for your convenience.