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Chevrolet Cobalt Thermostat

2 items

Upgrade your vehicle's thermostat with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

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Engine Coolant Thermostat Assembly for Chevy Equinox GMC Terrain 2.4L 2010-2017Engine Coolant Thermostat Assembly for Chevy Equinox GMC Terrain 2.4L 2010-2017
A-Premium®Part # APTHA0005
Engine Coolant Thermostat Assembly for Chevy Equinox GMC Terrain 2.4L 2010-2017
4.685 Reviews
$45.99
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2-year warranty
90 days free return
Fits 2010 - 2010 Buick Allure, 2011 - 2017 Buick Regal, 2012 - 2017 Buick Verano, 2010 - 2016 Buick LaCrosse, 2008 - 2008 Chevrolet Malibu, 2008 - 2014 Chevrolet Malibu, 2008 - 2008 Chevrolet Cobalt, 2008 - 2010 Chevrolet Cobalt, 2008 - 2011 Chevrolet HHR, 2008 - 2011 Chevrolet HHR, 2010 - 2017 Chevrolet Equinox, 2012 - 2014 Chevrolet Orlando, 2012 - 2015 Chevrolet Captiva Sport, 2014 - 2014 Chevrolet Impala, 2010 - 2017 GMC Terrain, 2008 - 2008 Pontiac G5, 2008 - 2010 Pontiac G5, 2008 - 2010 Pontiac G6, 2008 - 2009 Pontiac Solstice, 2008 - 2009 Saturn Aura
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Cobalt
Item LocatedUnited States
Quantity1
ColorNatural
ConditionNew
item #1003CXVV
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Engine Coolant Thermostat - Mahle TX 122 82
MahlePart # TX 122 82
Engine Coolant Thermostat - Mahle TX 122 82
51 Reviews
$27.99
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3-year warranty
90 days free return
Fits 2010-2016 Buick LaCrosse, 2011-2013 Buick Regal, 2012-2017 Buick Verano, 2014-2017 Buick Regal, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2003 Chevrolet Cavalier, 2002-2004 Chevrolet Cavalier, 2003-2004 Chevrolet Cavalier, 2003-2004 Chevrolet Cavalier, 2004-2004 Chevrolet Cavalier, 2004-2005 Chevrolet Classic, 2004-2008 Chevrolet Malibu, 2005-2005 Chevrolet Cavalier, 2005-2006 Chevrolet Cobalt, 2006-2006 Chevrolet Cobalt, 2006-2011 Chevrolet HHR, 2007-2010 Chevrolet Cobalt
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Cobalt
Item LocatedUnited States
Quantity1
Part interchange
TX 122 82, 34025, 48628, TX12282, 4461-180, 12622410, 90537453
item #1000XS0H
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What is an engine thermostat?

 While all engines can become too hot, if your thermostat isn't working correctly, your engine's well-being is at serious risk. The engine thermostat, often simply referred to as a thermostat, regulates the engine's operating temperature within an optimal range (typically around 195 to 220 degrees Fahrenheit).

How does a car thermostat work?

As a temperature-sensitive valve within the cooling system, a car thermostat responds to changes in coolant temperature. Understanding how it works by the following breakdown steps:

  • Closed position (cold start)

Initially closed to help the engine warm up quickly.

  • Heating up

The engine generates heat during operation.

  • Opening the thermostat

A temperature-sensitive element (usually wax) causes the thermostat to open gradually.

  • Coolant flow

When open, coolant flows from the engine to the radiator.

  • Maintaining optimal temperature

Adjusts coolant flow to maintain the ideal engine temperature.

  • Temperature regulation

Continuously adjusts to prevent overheating and ensure efficient operation.

Signs of a bad thermostat

  1. Overheating: The engine becomes excessively hot due to a stuck-closed thermostat.
  2. Low or fluctuating temperature: A thermostat stuck open results in a cooler engine, affecting fuel efficiency and heating.
  3. Temperature warning light: Illuminates to indicate engine overheating due to a faulty thermostat.
  4. Poor fuel efficiency: Stuck-open thermostat reduces fuel efficiency as the engine operates less efficiently at lower temperatures.
  5. Inadequate cabin heating: Insufficient cabin heating in cold weather with a thermostat that's stuck open.
  6. Coolant leaks: Gasket or sealing issues can lead to coolant leaks.
  7. Rapid temperature fluctuations: The gauge shows rapid swings between hot and cold.
  8. Engine running hot at idle: Higher engine temperature during idle or in traffic due to restricted coolant flow.
  9. Slow or inconsistent warm-up: Longer-than-normal warm-up times, even in moderate weather.
  10. Inconsistent heater operation: This affects the performance of the vehicle's heater, causing inconsistent or inadequate heating in cold weather.

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Jul 29, 2026