Engine Coolant Thermostat Compatible with Chevy 2005-2010 Cobalt,2010-2017 Eq…
2005-2009 Cobalt L4 2.0L 2.2L 2.4L. Symptoms of 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 vehicle.