Brand new and never used, directly replaces the old one and easy installation. Fitment: for Chevrolet Cobalt 2008-2010, for Chevrolet Equinox 2011, for Chevrolet HHR 2008, for GMC Terrain 2011, for Pontiac G5 2008-2009, for Pontiac G6 2008-2010, for Pontiac Solstice 2008-2009, for Saturn Sky 2008-2010, for Buick LaCrosse 2010-2011, for Buick Regal 2011-2012, for Buick Regal 2015-2016 OE Number: 12597172, 12607291 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 Feature:
Automatically adjust the water yield flowing into the radiator according to the temperature of the cooling water, so as to ensure that the engine works within the appropriate temperature range.
Made of durable material for long service life.
Good performance, directly replaces the old or broken one.
This is a non-OEM product, accessory only!

Specification:
Condition: Brand New
Material: Metal
Color: Silver Tone
OE Number: 12597172, 12607291
Size: 19.5x18x15cm / 7.68"x7.09"x5.92"(L*W*H)
Mounting Hole Diameter: 7mm / 0.28"

Fitment:
for Chevrolet Cobalt 2008-2010
for Chevrolet Equinox 2011
for Chevrolet HHR 2008
for GMC Terrain 2011
for Pontiac G5 2008-2009
for Pontiac G6 2008-2010
for Pontiac Solstice 2008-2009
for Saturn Sky 2008-2010
for Buick LaCrosse 2010-2011
for Buick Regal 2011-2012
for Buick Regal 2015-2016

Package Included:
1 x Thermostat Housing Assembly