160 Degree Thermostat | Sierra 18-3555 Thermostat used on many different Mercruiser fresh water cooled marine engines. Fits various model Mercruiser closed cooled marine engines Replaces Mercury 99155A1, 99155T2 Replaces Mallory 9-43001, 9-43016
160 Degree Thermostat | Sierra 18-3555 Thermostat used on many different Mercruiser fresh water cooled marine engines. Fits various model Mercruiser closed cooled marine engines Replaces Mercury 99155A1, 99155T2 Replaces Mallory 9-43001, 9-43016