Brand new and never used, directly replaces the old one and easy installation.
Fitment: for Jeep Patriot 2007-2017, for Jeep Compass 2007-2017, for Dodge Journey 2009-2018, for Dodge Caliber 2007-2011, for Dodge Avenger 2008-2013, for Chrysler 200 2011-2014, for Chrysler Sebring 2008-2010
Good Replacement: The engine's thermostat regulates the temperature of the engine by controlling coolant flow. A bad or failing thermostat: high temperature reading and engine overheating, low temperature reading and underheated engine, temperature changing erratically, coolant leaks around thermostat housing or under the vehicle. How to fine thermostat: You can find your car's thermostat by starting at the upper radiator hose and following it to where it enters the top of the engine.