Description:

Fitment: for Chevrolet Corvette 2014, for Chevrolet Silverado 1500 2014-2018, for Chevrolet Suburban 2015-2017, for Chevrolet Tahoe 2015-2017, for GMC Sierra 1500 2014-2018, for GMC Yukon 2015-2017, for GMC Yukon XL 2015-2017, for Cadillac Escalade 2015-2017, for Cadillac Escalade ESV 2015-2017.. OE Number:12674639.. and never used, directly replaces the old one and easy installation.. 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.. Package Included: 1 Pcs Engine Coolant Thermostat Housing Assembly..