An engine's thermostat regulates the temperature of the engine by controlling coolant flow, its job is to block the flow of coolant to the radiator until the engine has warmed up.
Symptoms of a bad or failing thermostat:
--1.high temperature reading and engine overheating;
--2.low temperature reading and underheated engine; --
3.temperature changing erratically;
--4.coolant leaks around thermostat housing or under vehicle.
Engine Thermostat Replaces Part Number :
---90916-A3003, 90916A3003, 90916-03129, 9091603129
Important :Please Check The Year/Model Carefully To Make Sure The Engine Thermostat Is What You Need Before Placing Order, Thank you！
Compatible with Toyota Vehicles:
---2010 Toyota 4Runner
---1995-2018 Toyota Avalon
---1994-2017 Toyota Camry
---2000-2005 Toyota Celica
---2000-2019 Toyota Corolla
---2001-2019 Toyota Highlander
---2003-2013 Toyota Matrix
---2000-2005 Toyota MR2 Spyder
---2001-2009 Toyota Prius
---1998-2016 Toyota Sienna
---1999-2008 Toyota Solara
---2005-2016 Toyota Tacoma
---2009-2015 Toyota Venza
---2007-2018 Toyota Yaris
Compatible with Lexus Vehicles:
---1994-2003 Lexus ES300
---2004-2006 Lexus ES330
---2007-2017 Lexus ES350
---1993-2005 Lexus GS300
---2001-2005 Lexus IS300
---1990-1997 Lexus LS400
---1999-2003 Lexus RX300
---2004-2006 Lexus RX330
---2007-2015 Lexus RX350
---2006-2008 Lexus RX400h
---2010-2014 Lexus RX450h
---1992-2000 Lexus SC300
---1992-1997 Lexus SC400

Compatible with Scion Vehicles:
---2005-2006, 2011-2016 Scion tC
---2004-2006 Scion xB
---2004-2006 Scion xA
---2008-2010 Scion xD
Package Include:
---1x Engine Thermostat