Sierra 18-3632 Thermostat for Yamaha 67F-12411-01-00 Thermostat for Yamaha Replaces: Yamaha-67F-12411-01-00 Sierra Part Number 18-3632 Fits: F75-F250 (2005 & Up) All Sierra parts qualify for and are covered under Sierra's Industry Leading Customer Satisfaction Warranty Before Ordering, Please Verify this is the Correct Part for your Application. For Assistance, Please Call Sierra's Tech Support at 1-877-663-8396