Description:

Never used, directly replaces the old one and easy installation.. Fitment: for Chevrolet Corvette 2014, for Chevrolet Silverado 1500 2014-2018, for Chevrolet Suburban 2015-2017, for Chevrolet Tahoe 2015-2017, for Cadillac Escalade 2015-2017, for Cadillac Escalade ESV 2015-2017, for GMC Sierra 1500 2014-2018, for GMC Yukon 2015-2017, for GMC Yukon XL 2015-2017. OE Number: 12666569, 12650534, 12671393, 12650536, 12657137, 12674639, 902-2090, 815-207, 81507, SK34836. 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 x Thermostat Housing Assembly.