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Pontiac Grand Am Thermostat

4 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 Housing Assembly for Chevrolet Malibu Buick Olds PontiacEngine Coolant Thermostat Housing Assembly for Chevrolet Malibu Buick Olds Pontiac
A-Premium®Part # APTHA0147
Engine Coolant Thermostat Housing Assembly for Chevrolet Malibu Buick Olds Pontiac
4.692 Reviews
$16.99
Low stock: Only 4 left
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2-year warranty
90 days free return
Fits 1999 - 2001 Oldsmobile Alero, 1997 - 1999 Chevrolet Malibu, 1996 - 2002 Chevrolet Cavalier, 1996 - 2002 Pontiac Sunfire, 1996 - 2001 Pontiac Grand Am, 1996 - 1998 Buick Skylark, 1996 - 1998 Oldsmobile Achieva
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Vehicle: Pontiac Grand Am
Item LocatedUnited States
Quantity1
ConditionNew
item #1000W521
Note
Thermostat Housing Assembly -- Engine Coolant Water Outlet.
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Engine Coolant Thermostat for GMC S15 Isuzu Oldsmobile Pontiac Subaru Suzuki 91℃
A-Premium®Part # APTHE078
Engine Coolant Thermostat for GMC S15 Isuzu Oldsmobile Pontiac Subaru Suzuki 91℃
4.692 Reviews
$20.99
Low stock: Only 1 left
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2-year warranty
90 days free return
Fits 1996 - 2003 GMC Sonoma, 1996 - 2000 Isuzu Hombre, 1996 - 1997 GMC P3500, 1996 - 1996 Oldsmobile Cutlass, 1996 - 1996 Pontiac Grand, 1995 - 2000 Pontiac Firefly, 1995 - 2000 Pontiac Firefly, 1995 - 2000 Suzuki Esteem, 1995 - 1997 Pontiac Firebird, 1995 - 1995 GMC Jimmy, 1995 - 1995 GMC Safari, 1995 - 1995 Pontiac Sunfire, 1994 - 1995 GMC Sonoma, 1994 - 1994 Suzuki Swift, 1993 - 1996 GMC G3500, 1993 - 1996 Oldsmobile Cutlass, 1993 - 1995 Pontiac Firebird, 1993 - 1994 Oldsmobile Bravada, 1992 - 1995 GMC C2500 Suburban, 1992 - 1995 GMC K2500 Suburban
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Vehicle: Pontiac Grand Am
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DTRR
Note
Start to Open Temperature: 91℃.
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Engine Coolant Thermostat for Chevrolet C2500 GMC C3500HD Buick Century Pontiac
A-Premium®Part # APTHE082
Engine Coolant Thermostat for Chevrolet C2500 GMC C3500HD Buick Century Pontiac
4.692 Reviews
$20.99
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2-year warranty
90 days free return
Fits 2011 - 2011 Workhorse Custom Chassis W24, 2010 - 2010 Blue Bird Vision School Bus, 2007 - 2010 Workhorse Custom Chassis W62, 2007 - 2009 Workhorse R26, 2007 - 2009 Workhorse W21, 2007 - 2009 Workhorse Custom Chassis W24, 2007 - 2008 Workhorse Custom Chassis R26, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2007 - 2007 Chevrolet Silverado 3500 Classic, 2007 - 2007 GMC Sierra 2500 HD Classic, 2007 - 2007 GMC Sierra 3500 Classic, 2006 - 2010 Workhorse Custom Chassis W18, 2006 - 2009 Pontiac Torrent, 2006 - 2009 Workhorse W16, 2006 - 2009 Workhorse W18, 2006 - 2006 Workhorse Custom Chassis W72, 2005 - 2009 Chevrolet Equinox, 2005 - 2009 Workhorse W25, 2005 - 2006 Buick Terraza, 2005 - 2006 Chevrolet Uplander
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Grand Am
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DTY2
Note
【Note-1】 Start to Open Temperature: 91℃.
【Note-2】 This item comes with seal.
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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 2014-2017 Buick Regal, 2014-2014 Chevrolet Impala, 2012-2017 Buick Verano, 2012-2015 Chevrolet Captiva Sport, 2011-2013 Buick Regal, 2011-2011 Saab 9-3, 2011-2011 Saab 9-5, 2010-2017 Chevrolet Equinox, 2010-2017 GMC Terrain, 2010-2016 Buick LaCrosse, 2008-2014 Chevrolet Malibu, 2007-2010 Chevrolet Cobalt, 2007-2010 Pontiac G5, 2007-2010 Saturn Sky, 2007-2010 Saturn Vue, 2007-2009 Saturn Aura, 2007-2007 Saturn Ion, 2006-2011 Chevrolet HHR, 2006-2010 Pontiac G6, 2006-2009 Pontiac Solstice
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Grand Am
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.

Related Blogs

Why Does Coolant Boil After You Turn the Engine Off?

Learn why coolant boils or bubbles after you turn the engine off, how heat soak affects the cooling system, and how to diagnose leaks, trapped air, cap, thermostat, fan, water pump, or head gasket problems.

Jul 29, 2026