Sierra Thermostat Kit Yamaha 18-3608D by Sierra International $30.80 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Sierra Thermostat Kit Yamaha #18-3608D Replaces: 6E5-12411-30-00 (Includes Gasket - 688-12414-A1-00)