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Chevrolet Silverado 1500 Classic Thermostat

5 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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A-Premium APTHE031 Engine Coolant ThermostatA-Premium APTHE031 Engine Coolant Thermostat
A-Premium®Part # APTHE031
A-Premium APTHE031 Engine Coolant Thermostat
52 Reviews
CA$27.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2022 - 2023 Chevrolet Corvette, 2021 - 2023 Cadillac Escalade, 2021 - 2023 Cadillac Escalade ESV, 2021 - 2023 Chevrolet Silverado 2500 HD, 2021 - 2023 Chevrolet Silverado 3500 HD, 2021 - 2023 Chevrolet Suburban, 2021 - 2023 Chevrolet Suburban, 2021 - 2023 Chevrolet Tahoe, 2021 - 2023 Chevrolet Tahoe, 2021 - 2021 Chevrolet Express 2500, 2021 - 2021 Chevrolet Express 3500, 2019 - 2023 Chevrolet Silverado 1500, 2019 - 2023 Chevrolet Silverado 1500, 2019 - 2021 Chevrolet Silverado 1500, 2018 - 2021 Chevrolet Express 2500, 2018 - 2021 Chevrolet Express 3500, 2017 - 2019 Chevrolet Suburban, 2016 - 2020 Chevrolet LCF 3500, 2016 - 2019 Chevrolet LCF 4500, 2016 - 2019 Chevrolet Suburban 3500 HD
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Vehicle: Chevrolet Silverado 1500 Classic
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2VZ
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Thermostat Housing for Chevrolet Silverado 1500 GMC Sierra 1500 Buick Cadillac
A-Premium®Part # APTHA0198
Thermostat Housing for Chevrolet Silverado 1500 GMC Sierra 1500 Buick Cadillac
52 Reviews
CA$39.99
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2-year warranty
90 days free return
Fits 2011 - 2012 Workhorse Custom Chassis W62, 2008 - 2009 Pontiac G8, 2007 - 2011 Workhorse W62, 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 1500 Classic, 2007 - 2007 GMC Sierra 1500 HD Classic, 2007 - 2007 GMC Sierra 2500 HD Classic, 2007 - 2007 GMC Sierra 3500 Classic, 2006 - 2012 Workhorse Custom Chassis W42, 2006 - 2011 Workhorse W42, 2006 - 2006 Chevrolet Trailblazer, 2005 - 2006 Chevrolet Silverado 1500 HD, 2005 - 2006 GMC Envoy, 2005 - 2006 GMC Sierra 1500 HD, 2005 - 2006 Saab 9-7x, 2005 - 2005 Workhorse FasTrack FT1261
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Vehicle: Chevrolet Silverado 1500 Classic
Item LocatedUnited States
Quantity1
ColorNatural
ConditionNew
item #1015204K
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Thermostat Housing Assembly for Chevy Silverado 1500 Avalanche 1500 Camaro Buick
A-Premium®Part # APTHA0131
Thermostat Housing Assembly for Chevy Silverado 1500 Avalanche 1500 Camaro Buick
52 Reviews
CA$27.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2011 - 2012 Workhorse Custom Chassis W62, 2008 - 2009 Buick Allure, 2008 - 2009 Buick LaCrosse, 2008 - 2008 Chevrolet Corvette, 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, 2006 - 2012 Workhorse Custom Chassis W42, 2006 - 2010 Workhorse Custom Chassis W42, 2006 - 2009 Chevrolet Impala, 2006 - 2008 Chevrolet Corvette, 2006 - 2007 Cadillac CTS, 2006 - 2007 Chevrolet Monte Carlo, 2006 - 2006 Chevrolet Suburban 1500, 2006 - 2006 Chevrolet Trailblazer, 2006 - 2006 Chevrolet Trailblazer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Silverado 1500 Classic
Item LocatedCanada
Quantity1
ConditionNew
item #10021TUK
Note
This item comes with a Cover.
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Engine Coolant Thermostat Housing for Chevy Silverado 1500 S10 Blazer GMC 4.3L
A-Premium®Part # APWCP009
Engine Coolant Thermostat Housing for Chevy Silverado 1500 S10 Blazer GMC 4.3L
52 Reviews
CA$30.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2007 - 2007 Chevrolet Silverado 1500 Classic, 2007 - 2007 GMC Sierra 1500 Classic, 2003 - 2005 Chevrolet Blazer, 2003 - 2005 GMC Jimmy, 2003 - 2004 Chevrolet S10, 2003 - 2004 GMC Sonoma, 1999 - 2013 Chevrolet Silverado 1500, 1999 - 2013 GMC Sierra 1500, 1999 - 2002 Chevrolet S10, 1999 - 2002 GMC Sonoma, 1997 - 1999 Isuzu Hombre, 1996 - 2002 Chevrolet Blazer, 1996 - 2002 GMC Jimmy, 1996 - 2001 Oldsmobile Bravada, 1996 - 1998 Chevrolet S10, 1996 - 1998 GMC Sonoma
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Silverado 1500 Classic
Item LocatedCanada
Quantity1
ColorBlack
ConditionNew
item #1004N0N8
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Engine Coolant Thermostat for Chevrolet Silverado 1500 Tahoe Express 2500 K3500
A-Premium®Part # APTHE087
Engine Coolant Thermostat for Chevrolet Silverado 1500 Tahoe Express 2500 K3500
52 Reviews
CA$25.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2007 - 2007 Chevrolet Silverado 1500 Classic, 2006 - 2006 Chevrolet Express 2500, 2002 - 2002 Chevrolet Blazer, 2002 - 2002 Chevrolet Express 2500, 2002 - 2002 Chevrolet Express 3500, 2001 - 2001 Chevrolet Express 2500, 2001 - 2001 Chevrolet Express 3500, 2000 - 2000 Chevrolet C3500HD, 1999 - 2013 Chevrolet Silverado 1500, 1998 - 2000 Chevrolet C2500, 1997 - 1999 Chevrolet C3500, 1997 - 1999 Chevrolet P30, 1997 - 1998 Chevrolet Express 3500, 1996 - 2014 Chevrolet Express 1500, 1996 - 2005 Chevrolet Astro, 1996 - 2005 Chevrolet Blazer, 1996 - 2004 Chevrolet Express 2500, 1996 - 2004 Chevrolet S10, 1996 - 2003 Chevrolet W3500 Tiltmaster, 1996 - 2003 Chevrolet W4500 Tiltmaster
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Chevrolet Silverado 1500 Classic
Item LocatedUnited States
Quantity1
ConditionNew
item #101779YZ
Note
【Note-1】 Start to Open Temperature: 92℃.
【Note-2】 For Chevrolet P30 1996 V8 5.7L, This item fits the model with VIN R.
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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