AISIN OE matched engine coolant thermostats are designed for efficient, consistent performance With superior OE technology and know-how, AISIN ensures that every thermostat provides perfect OE form, fit, and function Manufactured using only the highest quality materials for long life and dependable cooling system performance All AISIN thermostats feature the correct OE specified operating temperature Gasket included Compatible with select vehicles (engine may affect fitment - verify specific fitment details with fit checker above): SCION: 2013-16 FR-S; SUBARU: 2019-21 Ascent, 2013-20 BRZ, 2016-17,2020-21 Crosstrek, 2014-17 Forester Compatible with (continued): SUBARU: 2015-21 Impreza, 2015-17,2020-21 Legacy, 2015-17,2020-21 Outback, 2013-15 XV Crosstrek; TOYOTA: 2017-20 86