Calorstat THF1538.82 Engine Coolant Thermostat
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Calorstat

Calorstat THF1538.82 Engine Coolant Thermostat

Brand Calorstat THF1538.82
Sealing Flange Outside Diameter 2.1
Height Between Flanges 1.38
Type Standard
9813 1.14
9844 1
Fits Cadillac, Chevrolet, Ford, GMC, Isuzu, Lincoln, Oldsmobile, Toyota, and Volkswagen · 230 vehicles

Standard thermostat. Directly regulates coolant flow for consistent engine temperature control.

Engine coolant thermostat for dependable cooling system operation.

Cross-references Motorad 2028-180 for the same application. See all 1.

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Engine Coolant Thermostat for GM, Ford, Toyota and VW

Calorstat THF1538.82 is a standard engine coolant thermostat built for precise coolant flow control in a wide range of applications. It opens at 82 C / 180 F, helping the cooling system reach and maintain the correct operating temperature in vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Express 1500.

Key Features

  • Standard engine coolant thermostat for cooling system temperature regulation
  • Opening temperature: 82 C / 180 F
  • Sealing flange outside diameter: 2.1
  • Height between flanges: 1.38
  • Direct-fit style for listed applications
  • Cross-reference: Motorad 2028-180 for the same application
  • Part number: THF1538.82

Detailed Description

This Calorstat thermostat is specified for vehicles that require an 82 C / 180 F opening temperature, including many Chevrolet, GMC, Ford, Toyota, Volkswagen, Lincoln, Cadillac, Oldsmobile, and Isuzu applications. It is listed for models such as Chevrolet Astro, Blazer, S10, Tahoe, Silverado 1500, GMC Safari, Sierra 1500, Ford Thunderbird, Lincoln Town Car, and Volkswagen Jetta. The THF1538.82 part number is a useful reference when matching the correct thermostat to the original cooling system specification.

What It Helps Address

  • Engine running too cool or too warm due to thermostat wear
  • Delayed warm-up and inconsistent cabin heat
  • Temperature fluctuation during stop-and-go driving
  • Cooling system service on high-mileage GM truck and van platforms
  • Replacement needs for 82 C / 180 F thermostat applications

Installation Notes and Tips

Verify the thermostat opening temperature, flange dimensions, and housing style before installation. Confirm vehicle-specific fitment for your exact year and model, especially on Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Express 1500 applications. Inspect the thermostat housing and sealing surfaces during service to help ensure proper sealing and stable coolant control. Part number THF1538.82 should be matched against the original specification when ordering.

Quality Assurance

Calorstat is an established name in engine cooling components, and this thermostat is built to meet the listed dimensional and temperature requirements for the specified applications. Use the confirmed fitment data and OE-style specifications to select the correct replacement for your cooling system service.

Related reading

This part fits 230 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2014ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2014ChevroletExpress Cargo6.0LV8Opening Temp: 82 C / 180 F
2014GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2013ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2013ChevroletExpress Cargo6.0LV8Opening Temp: 82 C / 180 F
2013ChevroletSilverado 15006.2LV8Opening Temp: 82 C / 180 F
2013GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2013GMCSierra 15006.2LV8Opening Temp: 82 C / 180 F
2012ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2012ChevroletExpress Cargo6.0LV8Opening Temp: 82 C / 180 F
2012ChevroletSilverado 15006.2LV8Opening Temp: 82 C / 180 F
2012GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2012GMCSierra 15006.2LV8Opening Temp: 82 C / 180 F
2011ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2011ChevroletExpress Cargo6.0LV8Opening Temp: 82 C / 180 F
2011ChevroletSilverado 15006.2LV8Opening Temp: 82 C / 180 F
2011GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2011GMCSierra 15006.2LV8Opening Temp: 82 C / 180 F
2010ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2010ChevroletExpress Cargo6.0LV8Opening Temp: 82 C / 180 F
2010ChevroletSilverado 15006.2LV8Opening Temp: 82 C / 180 F
2010GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2010GMCSierra 15006.2LV8Opening Temp: 82 C / 180 F
2009ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2009ChevroletSilverado 15006.2LV8Opening Temp: 82 C / 180 F
2009GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2009GMCSierra 15006.2LV8Opening Temp: 82 C / 180 F
2008ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2008ChevroletSilverado 15006.0LV8Opening Temp: 82 C / 180 F
2008GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2008GMCSierra 15006.2LV8Opening Temp: 82 C / 180 F
2007ChevroletExpress 15005.3LV8Opening Temp: 82 C / 180 F
2007ChevroletSilverado 15006.0LV8Opening Temp: 82 C / 180 F
2007ChevroletSilverado 1500 Classic6.0LV8Opening Temp: 82 C / 180 F
2007ChevroletSilverado 35005.7LV8Opening Temp: 82 C / 180 F
2007GMCSavana 15005.3LV8Opening Temp: 82 C / 180 F
2007GMCSierra 15006.2LV8Opening Temp: 82 C / 180 F
2007GMCSierra 1500 Classic6.0LV8Opening Temp: 82 C / 180 F
2006VolkswagenJetta2.5LL5Opening Temp: 82 C / 180 F
2005ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
2005ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
2005GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
2005GMCSafari4.3LV6Opening Temp: 82 C / 180 F
2005VolkswagenJetta2.5LL5Opening Temp: 82 C / 180 F
2004ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
2004ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
2004ChevroletCargo Van6.0LV8Opening Temp: 82 C / 180 F
2004ChevroletS104.3LV6Opening Temp: 82 C / 180 F
2004GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
2004GMCSafari4.3LV6Opening Temp: 82 C / 180 F
2004GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
2003ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
2003ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
2003ChevroletCargo Van4.3LV6Opening Temp: 82 C / 180 F
2003ChevroletS104.3LV6Opening Temp: 82 C / 180 F
2003GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
2003GMCSafari4.3LV6Opening Temp: 82 C / 180 F
2003GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
2003IsuzuNPR6.0LV8Opening Temp: 82 C / 180 F
2003IsuzuNPR-HD6.0LV8Opening Temp: 82 C / 180 F
2002ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
2002ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
2002ChevroletExpress 15005.7LV8Opening Temp: 82 C / 180 F
2002ChevroletExpress 25006.5LV8Opening Temp: 82 C / 180 F
2002ChevroletG304.3LV6Opening Temp: 82 C / 180 F
2002ChevroletS104.3LV6Opening Temp: 82 C / 180 F
2002ChevroletW4500 Tiltmaster5.7LV8Opening Temp: 82 C / 180 F
2002GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
2002GMCSafari4.3LV6Opening Temp: 82 C / 180 F
2002GMCSavana 15005.7LV8Opening Temp: 82 C / 180 F
2002GMCSavana 25006.5LV8Opening Temp: 82 C / 180 F
2002GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
2002GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
2002GMCW4500 Forward5.7LV8Opening Temp: 82 C / 180 F
2002IsuzuNPR5.7LV8Opening Temp: 82 C / 180 F
2002IsuzuNPR-HD5.7LV8Opening Temp: 82 C / 180 F
2002LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
2001ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
2001ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
2001ChevroletExpress 15005.7LV8Opening Temp: 82 C / 180 F
2001ChevroletExpress 25006.5LV8Opening Temp: 82 C / 180 F
2001ChevroletG304.3LV6Opening Temp: 82 C / 180 F
2001ChevroletS104.3LV6Opening Temp: 82 C / 180 F
2001ChevroletW4500 Tiltmaster5.7LV8Opening Temp: 82 C / 180 F
2001GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
2001GMCSafari4.3LV6Opening Temp: 82 C / 180 F
2001GMCSavana 15005.7LV8Opening Temp: 82 C / 180 F
2001GMCSavana 25006.5LV8Opening Temp: 82 C / 180 F
2001GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
2001GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
2001GMCW4500 Forward5.7LV8Opening Temp: 82 C / 180 F
2001IsuzuNPR5.7LV8Opening Temp: 82 C / 180 F
2001IsuzuNPR-HD5.7LV8Opening Temp: 82 C / 180 F
2001LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
2001OldsmobileBravada4.3LV6Opening Temp: 82 C / 180 F
2000CadillacEscalade5.7LV8Opening Temp: 82 C / 180 F
2000ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
2000ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
2000ChevroletCargo Van5.7LV8Opening Temp: 82 C / 180 F
2000ChevroletExpress 15005.7LV8Opening Temp: 82 C / 180 F
2000ChevroletExpress 25006.5LV8Opening Temp: 82 C / 180 F
2000ChevroletS104.3LV6Opening Temp: 82 C / 180 F
2000ChevroletSonora5.7LV8Opening Temp: 82 C / 180 F
2000ChevroletW4500 Tiltmaster5.7LV8Opening Temp: 82 C / 180 F
2000GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
2000GMCSafari4.3LV6Opening Temp: 82 C / 180 F
2000GMCSavana 15005.7LV8Opening Temp: 82 C / 180 F
2000GMCSavana 25006.5LV8Opening Temp: 82 C / 180 F
2000GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
2000GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
2000GMCW4500 Forward5.7LV8Opening Temp: 82 C / 180 F
2000IsuzuHombre4.3LV6Opening Temp: 82 C / 180 F
2000IsuzuNPR-HD5.7LV8Opening Temp: 82 C / 180 F
2000LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
2000OldsmobileBravada4.3LV6Opening Temp: 82 C / 180 F
1999CadillacEscalade5.7LV8Opening Temp: 82 C / 180 F
1999ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
1999ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
1999ChevroletC15005.7LV8Opening Temp: 82 C / 180 F
1999ChevroletC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1999ChevroletExpress 15005.7LV8Opening Temp: 82 C / 180 F
1999ChevroletExpress 25006.5LV8Opening Temp: 82 C / 180 F
1999ChevroletK15005.7LV8Opening Temp: 82 C / 180 F
1999ChevroletK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1999ChevroletS104.3LV6Opening Temp: 82 C / 180 F
1999ChevroletSilverado5.7LV8Opening Temp: 82 C / 180 F
1999ChevroletTahoe6.5LV8Opening Temp: 82 C / 180 F
1999GMCC15005.7LV8Opening Temp: 82 C / 180 F
1999GMCC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1999GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
1999GMCK15005.7LV8Opening Temp: 82 C / 180 F
1999GMCK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1999GMCSafari4.3LV6Opening Temp: 82 C / 180 F
1999GMCSavana 15005.7LV8Opening Temp: 82 C / 180 F
1999GMCSavana 25006.5LV8Opening Temp: 82 C / 180 F
1999GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
1999GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
1999GMCYukon5.7LV8Opening Temp: 82 C / 180 F
1999IsuzuHombre4.3LV6Opening Temp: 82 C / 180 F
1999IsuzuNPR-HD5.7LV8Opening Temp: 82 C / 180 F
1999LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
1999OldsmobileBravada4.3LV6Opening Temp: 82 C / 180 F
1998ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
1998ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
1998ChevroletC15006.5LV8Opening Temp: 82 C / 180 F
1998ChevroletC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1998ChevroletExpress 15005.7LV8Opening Temp: 82 C / 180 F
1998ChevroletExpress 25006.5LV8Opening Temp: 82 C / 180 F
1998ChevroletK15006.5LV8Opening Temp: 82 C / 180 F
1998ChevroletK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1998ChevroletS104.3LV6Opening Temp: 82 C / 180 F
1998ChevroletSilverado5.7LV8Opening Temp: 82 C / 180 F
1998ChevroletTahoe6.5LV8Opening Temp: 82 C / 180 F
1998ChevroletW3500 Tiltmaster5.7LV8Opening Temp: 82 C / 180 F
1998GMCC15005.7LV8Opening Temp: 82 C / 180 F
1998GMCC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1998GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
1998GMCK15006.5LV8Opening Temp: 82 C / 180 F
1998GMCK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1998GMCSafari4.3LV6Opening Temp: 82 C / 180 F
1998GMCSavana 15005.7LV8Opening Temp: 82 C / 180 F
1998GMCSavana 25006.5LV8Opening Temp: 82 C / 180 F
1998GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
1998GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
1998GMCYukon5.7LV8Opening Temp: 82 C / 180 F
1998IsuzuHombre4.3LV6Opening Temp: 82 C / 180 F
1998IsuzuNPR5.7LV8Opening Temp: 82 C / 180 F
1998LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
1998OldsmobileBravada4.3LV6Opening Temp: 82 C / 180 F
1997ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
1997ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
1997ChevroletC15006.5LV8Opening Temp: 82 C / 180 F
1997ChevroletC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1997ChevroletExpress 15005.7LV8Opening Temp: 82 C / 180 F
1997ChevroletExpress 25006.5LV8Opening Temp: 82 C / 180 F
1997ChevroletK15006.5LV8Opening Temp: 82 C / 180 F
1997ChevroletK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1997ChevroletS104.3LV6Opening Temp: 82 C / 180 F
1997ChevroletSilverado5.7LV8Opening Temp: 82 C / 180 F
1997ChevroletTahoe6.5LV8Opening Temp: 82 C / 180 F
1997ChevroletW3500 Tiltmaster5.7LV8Opening Temp: 82 C / 180 F
1997FordThunderbird4.6LV8Opening Temp: 82 C / 180 F
1997GMCC15006.5LV8Opening Temp: 82 C / 180 F
1997GMCC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1997GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
1997GMCK15006.5LV8Opening Temp: 82 C / 180 F
1997GMCK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1997GMCSafari4.3LV6Opening Temp: 82 C / 180 F
1997GMCSavana 15005.7LV8Opening Temp: 82 C / 180 F
1997GMCSavana 25006.5LV8Opening Temp: 82 C / 180 F
1997GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
1997GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
1997GMCYukon6.5LV8Opening Temp: 82 C / 180 F
1997IsuzuHombre4.3LV6Opening Temp: 82 C / 180 F
1997IsuzuNPR5.7LV8Opening Temp: 82 C / 180 F
1997LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
1997OldsmobileBravada4.3LV6Opening Temp: 82 C / 180 F
1996ChevroletAstro4.3LV6Opening Temp: 82 C / 180 F
1996ChevroletBlazer4.3LV6Opening Temp: 82 C / 180 F
1996ChevroletC15006.5LV8Opening Temp: 82 C / 180 F
1996ChevroletC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1996ChevroletExpress 15005.7LV8Opening Temp: 82 C / 180 F
1996ChevroletExpress 25006.5LV8Opening Temp: 82 C / 180 F
1996ChevroletK15006.5LV8Opening Temp: 82 C / 180 F
1996ChevroletK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1996ChevroletS104.3LV6Opening Temp: 82 C / 180 F
1996ChevroletSilverado5.7LV8Opening Temp: 82 C / 180 F
1996ChevroletTahoe6.5LV8Opening Temp: 82 C / 180 F
1996ChevroletW3500 Tiltmaster5.7LV8Opening Temp: 82 C / 180 F
1996FordThunderbird4.6LV8Opening Temp: 82 C / 180 F
1996GMCC15006.5LV8Opening Temp: 82 C / 180 F
1996GMCC1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1996GMCJimmy4.3LV6Opening Temp: 82 C / 180 F
1996GMCK15006.5LV8Opening Temp: 82 C / 180 F
1996GMCK1500 Suburban6.5LV8Opening Temp: 82 C / 180 F
1996GMCSafari4.3LV6Opening Temp: 82 C / 180 F
1996GMCSavana 15005.7LV8Opening Temp: 82 C / 180 F
1996GMCSavana 25006.5LV8Opening Temp: 82 C / 180 F
1996GMCSonoma4.3LV6Opening Temp: 82 C / 180 F
1996GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
1996GMCYukon6.5LV8Opening Temp: 82 C / 180 F
1996IsuzuHombre2.2LL4Opening Temp: 82 C / 180 F
1996IsuzuNPR5.7LV8Opening Temp: 82 C / 180 F
1996LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
1996OldsmobileBravada4.3LV6Opening Temp: 82 C / 180 F
1995FordThunderbird4.6LV8Opening Temp: 82 C / 180 F
1995GMCW3500 Forward5.7LV8Opening Temp: 82 C / 180 F
1995IsuzuNPR5.7LV8Opening Temp: 82 C / 180 F
1995LincolnTown Car4.6LV8Opening Temp: 82 C / 180 F
1995ToyotaPickup3.0LV6Opening Temp: 82 C / 180 F
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Motorad — 2028-180