Sierra 23-3654 Thermostat Kit For WesterbekeSierra high-quality replacement thermostat kit for Westerbeke Generators. Temperature Rating: 160 Degrees Farenheit; Kit Contains: (1) 23-3603 Thermostat; (1) 23-0800 Thermostat Gasket; Interchangeable with: Westerbeke; 39378; 42260; Application:Westerbeke 4.5 BCGB(60HZ)/3.75 BCGB(50HZ); 4.5 BCGTC(60HZ)/3.75 BCGB(50HZ); 7.0 BCGB(60HZ)/6.0 BCGB(50HZ); 7.2 BCGTC(60HZ)/6.0 BCGTC(50HZ); 9.6 BCGTC(60HZ)/8.0 BCGTC(50HZ);