Sierra 23-3654 Thermostat Kit For Westerbeke Sierra 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 BCGB60HZ3.75 BCGB50HZ 4.5 BCGTC60HZ3.75 BCGB50HZ 7.0 BCGB60HZ6.0 BCGB50HZ 7.2 BCGTC60HZ6.0 BCGTC50HZ 9.6 BCGTC60HZ8.0 BCGTC50HZ California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov