Cannot find a replacement thermostat housing or water inlet for a 1998 Toyota Corolla 1.8 because the part is a hybrid design from a transition year, not listed in any catalogs, and discontinued by th

Cannot find a replacement thermostat housing or water inlet for a 1998 Toyota Corolla 1.8 because the part is a hybrid design from a transition year, not listed in any catalogs, and discontinued by the dealer.