Sierra 23-0812 Gasket For Kohler Sierra replacement thermostat gasket for Kohler generators. Interchangeable with Kohler 229433 Application Kohler 11 CCFOZ ALL VAR 11 EFOZ ALL VAR 11 EFOZD 11.5 CCFOZ ALL VAR 11.5 EFOZ ALL VAR 11.5 EFOZD 13 EFOZ ALL VAR 13 EFOZD 13 EOZ ALL VAR 13 EOZD 13.5 CCOZ ALL VAR 14 CCOZ ALL VAR 14 EOZ ALL VAR 14 EOZD 15 CCFOZ ALL VAR 15.5 EOZ ALL VAR 15.5 EOZD 16 EFOZ ALL VAR 17 EFOZD 17.5 EFOZ ALL VAR 17.5 EFOZD 18.5 CCOZ ALL VAR 19 EFOZ ALL VAR 19 EFOZD 20 CCFOZ ALL VAR