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Pontiac Firebird Thermostat

10 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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Thermostat Housing Assembly for Cadillac Escalade Chevrolet Silverado 1500 GMCThermostat Housing Assembly for Cadillac Escalade Chevrolet Silverado 1500 GMC
A-Premium®Part # APTHA0128
Thermostat Housing Assembly for Cadillac Escalade Chevrolet Silverado 1500 GMC
4.692 Reviews
$22.99
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2-year warranty
90 days free return
Fits 2003 - 2003 Cadillac Escalade ESV, 2003 - 2003 Chevrolet Express 1500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Silverado 1500, 2003 - 2003 Chevrolet SSR, 2003 - 2003 Chevrolet Trailblazer EXT, 2003 - 2003 Chevrolet W3500 Tiltmaster, 2003 - 2003 Chevrolet W4500 Tiltmaster, 2003 - 2003 GMC Envoy XL, 2003 - 2003 GMC Savana 1500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 3500, 2003 - 2003 GMC Savana 3500
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Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
MaterialAluminum
ConditionNew
item #10027T01
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A-Premium APTHE004 Engine Coolant Thermostat
A-Premium®Part # APTHE004
A-Premium APTHE004 Engine Coolant Thermostat
4.692 Reviews
$31.99
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2-year warranty
90 days free return
Fits 2013 - 2021 Blue Bird Vision School Bus, 2006 - 2008 Lincoln Mark LT, 2006 - 2008 Nissan Frontier, 2005 - 2006 Mercury Monterey, 2005 - 2006 Volkswagen Jetta, 2002 - 2010 Mercury Mountaineer, 2002 - 2002 Lincoln Blackwood, 2000 - 2004 Nissan Xterra, 1999 - 1999 INFINITI G20, 1998 - 2014 Lincoln Navigator, 1998 - 2001 Nissan Sentra, 1996 - 1998 Nissan 200SX, 1995 - 1997 Nissan Pickup, 1995 - 1995 Toyota Pickup, 1994 - 1997 Mercury Cougar, 1994 - 1995 Saab 900, 1993 - 2001 Nissan Altima, 1992 - 2011 Mercury Grand Marquis, 1992 - 1992 Isuzu Stylus, 1991 - 2011 Lincoln Town Car
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Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2C8
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A-Premium APTHE005 Engine Coolant Thermostat
A-Premium®Part # APTHE005
A-Premium APTHE005 Engine Coolant Thermostat
4.692 Reviews
$20.99
Low stock: Only 5 left
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2-year warranty
90 days free return
Fits 2013 - 2021 Blue Bird Vision School Bus, 2009 - 2009 Mercury Mountaineer, 2006 - 2008 Lincoln Mark LT, 2005 - 2006 Mercury Monterey, 2005 - 2006 Volkswagen Jetta, 2002 - 2010 Mercury Mountaineer, 2002 - 2002 Lincoln Blackwood, 1998 - 2014 Lincoln Navigator, 1994 - 1997 Mercury Cougar, 1994 - 1995 Saab 900, 1992 - 2011 Mercury Grand Marquis, 1991 - 2011 Lincoln Town Car, 1991 - 1993 Saab 900, 1990 - 1995 Saab 9000, 1990 - 1991 Peugeot 405, 1989 - 1989 Peugeot 405, 1986 - 1990 Saab 9000, 1985 - 1987 Jaguar Vanden Plas, 1984 - 1984 Isuzu I-Mark, 1983 - 1987 Jaguar XJ6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V0CQ
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Thermostat Housing Assembly for Chevrolet Silverado 1500 1999-2003 GMC Cadillac
A-Premium®Part # APTHA0129
Thermostat Housing Assembly for Chevrolet Silverado 1500 1999-2003 GMC Cadillac
4.692 Reviews
$23.99
Low stock: Only 5 left
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2-year warranty
90 days free return
Fits 2003 - 2003 Cadillac Escalade ESV, 2003 - 2003 Chevrolet Express 1500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Silverado 1500, 2003 - 2003 Chevrolet SSR, 2003 - 2003 Chevrolet Trailblazer EXT, 2003 - 2003 Chevrolet W3500 Tiltmaster, 2003 - 2003 Chevrolet W4500 Tiltmaster, 2003 - 2003 GMC Envoy XL, 2003 - 2003 GMC Savana 1500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 3500, 2003 - 2003 GMC Savana 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
MaterialAluminum
ConditionNew
item #10027QWE
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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 Firebird
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DTRR
Note
Start to Open Temperature: 91℃.
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Engine Coolant Thermostat for Jeep Chevrolet Ford GMC Buick Cadillac Pontiac 88℃
A-Premium®Part # APTHE090
Engine Coolant Thermostat for Jeep Chevrolet Ford GMC Buick Cadillac Pontiac 88℃
4.692 Reviews
$13.99
Low stock: Only 2 left
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2-year warranty
90 days free return
Fits 1994 - 1994 Chevrolet S10 Blazer, 1989 - 1990 Chrysler TC Maserati, 1989 - 1989 GMC S15, 1989 - 1989 Isuzu Trooper, 1988 - 1993 Pontiac LeMans, 1988 - 1991 Pontiac Optima, 1987 - 1987 Buick Skyhawk, 1986 - 1986 Chevrolet Celebrity, 1986 - 1986 Jeep Comanche, 1986 - 1986 Oldsmobile Cutlass Ciera, 1986 - 1986 Pontiac Sunbird, 1985 - 1986 Cadillac Cimarron, 1985 - 1986 Chevrolet Cavalier, 1985 - 1986 Oldsmobile Firenza, 1985 - 1986 Pontiac 6000, 1985 - 1985 Buick Skylark, 1985 - 1985 Chevrolet Citation II, 1984 - 1986 Jeep Cherokee, 1984 - 1986 Jeep Wagoneer, 1984 - 1985 Pontiac J2000 Sunbird
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
ConditionNew
item #101881TK
Note
Start to Open Temperature: 88℃.
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Engine Coolant Thermostat Housing Assembly for Chevrolet 99-03 GMC Sierra 1500
A-Premium®Part # APTHA0109
Engine Coolant Thermostat Housing Assembly for Chevrolet 99-03 GMC Sierra 1500
4.692 Reviews
$18.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2003 - 2003 Cadillac Escalade ESV, 2003 - 2003 Chevrolet Express 1500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 2500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Express 3500, 2003 - 2003 Chevrolet Silverado 1500, 2003 - 2003 Chevrolet Sonora, 2003 - 2003 Chevrolet SSR, 2003 - 2003 Chevrolet Trailblazer EXT, 2003 - 2003 Chevrolet W3500 Tiltmaster, 2003 - 2003 Chevrolet W4500 Tiltmaster, 2003 - 2003 GMC Envoy XL, 2003 - 2003 GMC Savana 1500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 2500, 2003 - 2003 GMC Savana 3500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Firebird
Item LocatedUnited States
ColorNatural
ConditionNew
item #1005DY14
Note
Engine Coolant Thermostat Housing Assembly -- With Water Pump Casting No. 12562459, Includes 186 Fahrenheit Degree Thermostat.
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A-Premium APTHE003 Engine Coolant Thermostat
A-Premium®Part # APTHE003
A-Premium APTHE003 Engine Coolant Thermostat
4.692 Reviews
$20.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2013 - 2021 Blue Bird Vision School Bus, 2006 - 2008 Lincoln Mark LT, 2005 - 2006 Mercury Monterey, 2005 - 2006 Volkswagen Jetta, 2002 - 2010 Mercury Mountaineer, 2002 - 2002 Lincoln Blackwood, 1998 - 2014 Lincoln Navigator, 1995 - 1995 Toyota Pickup, 1994 - 1997 Mercury Cougar, 1994 - 1995 Saab 900, 1992 - 2011 Mercury Grand Marquis, 1992 - 1992 Isuzu Stylus, 1992 - 1992 Saab 9000, 1991 - 2011 Lincoln Town Car, 1991 - 1993 Saab 900, 1990 - 1995 Saab 9000, 1990 - 1991 Peugeot 405, 1989 - 1989 Peugeot 405, 1987 - 1988 Mazda RX-7, 1986 - 1990 Saab 9000
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2KW
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Engine Coolant Thermostat for Jeep Cherokee 84-86 Chevy Camaro 82-88 Buick 92℃
A-Premium®Part # APTHE091
Engine Coolant Thermostat for Jeep Cherokee 84-86 Chevy Camaro 82-88 Buick 92℃
4.692 Reviews
$16.99
Low stock: Only 2 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1994 - 1994 Chevrolet S10 Blazer, 1989 - 1990 Chrysler TC Maserati, 1989 - 1989 GMC S15, 1989 - 1989 Isuzu Trooper, 1988 - 1993 Pontiac LeMans, 1988 - 1991 Pontiac Optima, 1987 - 1987 Buick Skyhawk, 1986 - 1986 Chevrolet Celebrity, 1986 - 1986 Jeep Comanche, 1986 - 1986 Oldsmobile Cutlass Ciera, 1986 - 1986 Pontiac Sunbird, 1985 - 1986 Cadillac Cimarron, 1985 - 1986 Chevrolet Cavalier, 1985 - 1986 Oldsmobile Firenza, 1985 - 1986 Pontiac 6000, 1985 - 1985 Buick Skylark, 1985 - 1985 Chevrolet Citation II, 1984 - 1986 Jeep Cherokee, 1984 - 1986 Jeep Wagoneer, 1984 - 1985 Pontiac J2000 Sunbird
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
ConditionNew
item #1018827P
Note
Start to Open Temperature: 92℃.
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ÜRO Parts GM0718508 Engine Coolant Thermostat Housing, Upper
ÜRO PartsPart # GM0718508
ÜRO Parts GM0718508 Engine Coolant Thermostat Housing, Upper
52 Reviews
$27.99
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3-year warranty
90 days free return
Fits 2011-2012 Workhorse Custom Chassis W62, 2008-2009 Pontiac G8, 2008-2008 GMC Sierra, 2007-2012 Workhorse Custom Chassis W42, 2007-2011 Workhorse W42, 2007-2011 Workhorse W62, 2007-2009 Chevrolet Silverado 2500, 2007-2007 Chevrolet Silverado 1500 Classic, 2007-2007 Chevrolet Silverado 1500 Classic, 2007-2007 Chevrolet Silverado 1500 Classic, 2007-2007 Chevrolet Silverado 1500 HD Classic, 2007-2007 Chevrolet Silverado 2500 HD Classic, 2007-2007 Chevrolet Silverado 3500 Classic, 2007-2007 Chevrolet Silverado 3500 HD, 2007-2007 GMC Sierra, 2007-2007 GMC Sierra 1500 Classic, 2007-2007 GMC Sierra 1500 Classic, 2007-2007 GMC Sierra 1500 Classic, 2007-2007 GMC Sierra 1500 HD Classic, 2007-2007 GMC Sierra 2500 HD Classic
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac Firebird
Item LocatedUnited States
Quantity1
Installation PositionUpper
ColorSilver
item #1000ZS32
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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