Sierra Thermostat Kit for Yamaha Outboard Engines • 18-3609

Sierra 18-3609 Yamaha Thermostat Kit

• Temperature Rating: 122°F/50°C
• Limited 2 Year Warranty

Kit Contains:

• (1) 18-0829 Cover Gasket
• (1) 18-3540 Thermostat

Interchangeable with:

• Mallory
• 9-43038
• 9-43178