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Thermostat

932 items

Shop precise fit replacement Thermostat to maintain and improve your vehicle's performance. Find the right parts for your make and model, backed by excellent customer service at A-Premium.

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A-Premium APTHA0240 Thermostat Housing AssemblyA-Premium APTHA0240 Thermostat Housing Assembly
A-Premium®Part # APTHA0240
A-Premium APTHA0240 Thermostat Housing Assembly
4.683 Reviews
$35.99
Low stock: Only 5 left
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2-year warranty
90 days free return
Fits 2016 - 2020 Lexus GS F, 2008 - 2011 Lexus GS460, 2010 - 2022 Lexus GX460, 2008 - 2014 Lexus IS F, 2022 - 2022 Lexus IS500, 2018 - 2022 Lexus LC500, 2007 - 2017 Lexus LS460, 2008 - 2016 Lexus LS600h, 2008 - 2011 Lexus LX570, 2013 - 2021 Lexus LX570, 2015 - 2022 Lexus RC F, 2008 - 2011 Toyota Land Cruiser, 2013 - 2021 Toyota Land Cruiser, 2008 - 2022 Toyota Sequoia, 2010 - 2012 Toyota Sequoia, 2007 - 2021 Toyota Tundra, 2010 - 2019 Toyota Tundra
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Item LocatedUnited States
Quantity1
ConditionNew
item #1005UTZE
Note
Engine Coolant Thermostat Housing with Thermostat and Gasket.
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Engine Coolant Thermostat for Subaru Outback Forester Impreza WRX Saab 9-2X 78℃
A-Premium®Part # APTHE051
Engine Coolant Thermostat for Subaru Outback Forester Impreza WRX Saab 9-2X 78℃
4.683 Reviews
$22.99
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2-year warranty
90 days free return
Fits 2005 - 2005 Saab 9-2X, 2005 - 2006 Saab 9-2X, 2003 - 2006 Subaru Baja, 1998 - 2010 Subaru Forester, 2011 - 2013 Subaru Forester, 1993 - 1997 Subaru Impreza, 2002 - 2005 Subaru Impreza, 1995 - 2001 Subaru Impreza, 1998 - 2014 Subaru Impreza, 1990 - 1999 Subaru Legacy, 1996 - 2009 Subaru Legacy, 2015 - 2019 Subaru Legacy, 2000 - 2009 Subaru Outback, 2001 - 2004 Subaru Outback, 2015 - 2019 Subaru Outback, 1992 - 1997 Subaru SVX, 2013 - 2016 Subaru WRX, 2013 - 2018 Subaru WRX STI, 2020 - 2021 Subaru WRX STI
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DYPS
Note
【Note-1】 Start to Open Temperature: 78℃.;
【Note-2】 2011-2013 Subaru Forester it fits Turbocharged only, NOT fit Naturally Aspirated.
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A-Premium APTHE015 Engine Coolant Thermostat
A-Premium®Part # APTHE015
A-Premium APTHE015 Engine Coolant Thermostat
4.683 Reviews
$21.99
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2-year warranty
90 days free return
Fits 2009 - 2013 Audi A3, 2009 - 2013 Audi A3 Quattro, 2009 - 2014 Audi A4, 2013 - 2013 Audi A4 allroad, 2009 - 2013 Audi A4 Quattro, 2010 - 2011 Audi A5, 2010 - 2011 Audi A5 Quattro, 2017 - 2017 Audi A5 Quattro, 2015 - 2015 Audi A6, 2013 - 2013 Audi A6 Quattro, 2015 - 2015 Audi A6 Quattro, 2013 - 2016 Audi allroad, 2011 - 2012 Audi Q5, 2011 - 2011 Audi TT Quattro, 2012 - 2014 Audi TT Quattro, 2009 - 2012 Volkswagen CC, 2014 - 2016 Volkswagen Eos, 2013 - 2013 Volkswagen Jetta, 2009 - 2010 Volkswagen Passat, 2009 - 2011 Volkswagen Passat CC
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Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V0YZ
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Engine Coolant Thermostat Housing Kit for Ford Escape Focus Mazda Tribute 2.0L
A-Premium®Part # APTHA0008
Engine Coolant Thermostat Housing Kit for Ford Escape Focus Mazda Tribute 2.0L
4.683 Reviews
$39.99
Low stock: Only 3 left
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2-year warranty
90 days free return
Fits 2001 - 2004 Ford Escape, 2000 - 2000 Ford Focus, 2001 - 2004 Ford Focus, 2001 - 2004 Mazda Tribute
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Item LocatedUnited States
Quantity1
MaterialPlastic
ColorBlack
item #1003CZ9R
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A-Premium APTHE017 Engine Coolant Thermostat
A-Premium®Part # APTHE017
A-Premium APTHE017 Engine Coolant Thermostat
4.683 Reviews
$17.99
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2-year warranty
90 days free return
Fits 1985 - 1988 Chevrolet Nova, 2008 - 2009 Ford F-650, 2008 - 2009 Ford F-750, 1998 - 1998 Ford F-800, 1998 - 1998 Ford F-800 LPO, 1989 - 1997 Geo Prizm, 1993 - 1997 Geo Prizm, 1995 - 1995 Nissan 200SX, 1997 - 1998 Nissan 200SX, 1991 - 1993 Nissan NX, 1989 - 1990 Nissan Pulsar NX, 1989 - 1999 Nissan Sentra, 1996 - 1997 Nissan Sentra, 1984 - 1986 Toyota Camry, 1983 - 1991 Toyota Camry, 1992 - 2001 Toyota Camry, 1990 - 1993 Toyota Celica, 1994 - 1997 Toyota Celica, 1986 - 1989 Toyota Celica, 1992 - 1999 Toyota Celica
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Item LocatedUnited States
Quantity1
MaterialMetal
ConditionNew
item #1005USAT
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Engine Coolant Thermostat for Subaru Outback Forester Impreza Legacy Tribeca 60℃
A-Premium®Part # APTHE073
Engine Coolant Thermostat for Subaru Outback Forester Impreza Legacy Tribeca 60℃
4.683 Reviews
$20.99
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2-year warranty
90 days free return
Fits 2006 - 2007 Subaru B9 Tribeca, 2003 - 2006 Subaru Baja, 1998 - 2013 Subaru Forester, 1993 - 1997 Subaru Impreza, 2002 - 2005 Subaru Impreza, 2008 - 2011 Subaru Impreza, 1995 - 2001 Subaru Impreza, 1998 - 2014 Subaru Impreza, 2008 - 2009 Subaru Legacy, 1990 - 1999 Subaru Legacy, 1996 - 2009 Subaru Legacy, 2010 - 2012 Subaru Legacy, 2008 - 2009 Subaru Legacy, 2010 - 2019 Subaru Legacy, 2000 - 2012 Subaru Outback, 2001 - 2009 Subaru Outback, 2017 - 2017 Subaru Outback, 2019 - 2019 Subaru Outback, 2010 - 2016 Subaru Outback, 1992 - 1997 Subaru SVX
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DXAA
Note
【Note-1】 Start to Open Temperature: 60℃.
【Note-2】 2010-2012 Subaru Legacy H4 2.5L fit Naturally Aspirated only, NOT fit Turbocharged.
【Note-3】 2017 Subaru Outback H6 3.6L fit 3.6R Touring Model only, NOT fit 3.6R Limited or 3.6R Premium.
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Engine Coolant Thermostat for Ford Explorer Fusion Escape Edge Lincoln MKZ 76.5℃
A-Premium®Part # APTHE062
Engine Coolant Thermostat for Ford Explorer Fusion Escape Edge Lincoln MKZ 76.5℃
4.683 Reviews
$28.99
Low stock: Only 3 left
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2-year warranty
90 days free return
Fits 2021 - 2023 Ford Bronco, 2022 - 2023 Ford Bronco, 2013 - 2018 Ford C-Max, 2015 - 2023 Ford Edge, 2020 - 2022 Ford Escape, 2015 - 2022 Ford Expedition, 2020 - 2023 Ford Explorer, 2020 - 2023 Ford Explorer, 2015 - 2023 Ford F-150, 2018 - 2021 Ford F-150, 2018 - 2023 Ford F-150, 2011 - 2020 Ford F-150, 2011 - 2014 Ford F-150, 2011 - 2022 Ford F-150, 2013 - 2020 Ford Fusion, 2017 - 2019 Ford Fusion, 2011 - 2017 Ford Mustang, 2011 - 2023 Ford Mustang, 2015 - 2020 Ford Mustang, 2020 - 2023 Ford Police Interceptor Utility
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DVTK
Note
【Note-1】 Start to Open Temperature: 76.5℃.;
【Note-2】 2020-2022 Escape fit the model built To 10/06/2021.;
【Note-3】 2015-2022 Ford Expedition fit the model built To To 01/18/2022.;
【Note-4】 2015-2022 Lincoln Navigator fit the model built To 01/18/2022.;
【Note-5】 2013-2020 Ford Fusion fit Naturally Aspirated, NOT fit Turbocharged.
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Engine Coolant Thermostat for Subaru Outback 00-15 Forester Impreza Legacy 82℃
A-Premium®Part # APTHE076
Engine Coolant Thermostat for Subaru Outback 00-15 Forester Impreza Legacy 82℃
4.683 Reviews
$23.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2005 - 2006 Saab 9-2X, 2006 - 2007 Subaru B9 Tribeca, 2003 - 2006 Subaru Baja, 2011 - 2013 Subaru Forester, 2014 - 2016 Subaru Forester, 2004 - 2010 Subaru Forester, 1995 - 1997 Subaru Impreza, 2002 - 2005 Subaru Impreza, 1995 - 2001 Subaru Impreza, 1998 - 2003 Subaru Impreza, 2004 - 2011 Subaru Impreza, 1995 - 1999 Subaru Legacy, 1996 - 2004 Subaru Legacy, 2005 - 2009 Subaru Legacy, 2008 - 2009 Subaru Legacy, 2010 - 2015 Subaru Legacy, 2000 - 2009 Subaru Outback, 2001 - 2005 Subaru Outback, 2006 - 2009 Subaru Outback, 2010 - 2015 Subaru Outback
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DYCR
Note
【Note-1】 Start to Open Temperature: 82℃.;
【Note-2】 2014-2016 Subaru Forester H4 2.5L with Manual Transmission or Automatic CVT Transmission.;
【Note-3】 2005 Subaru Outback H6 3.0L with model built before 05/2005.
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A-Premium APTHA0292 Engine Coolant Thermostat Housing Assembly
A-Premium®Part # APTHA0292
A-Premium APTHA0292 Engine Coolant Thermostat Housing Assembly
4.683 Reviews
$113.99
Low stock: Only 1 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2020 - 2020 Audi A6 allroad, 2021 - 2021 Audi A6 allroad, 2022 - 2024 Audi A6 allroad, 2019 - 2020 Audi A6 Quattro, 2021 - 2021 Audi A6 Quattro, 2022 - 2024 Audi A6 Quattro, 2019 - 2020 Audi A7 Sportback, 2021 - 2021 Audi A7 Sportback, 2022 - 2024 Audi A7 Sportback, 2020 - 2024 Audi A8 Quattro, 2017 - 2017 Audi Q5, 2017 - 2018 Audi Q7, 2019 - 2019 Audi Q7, 2021 - 2024 Audi Q7, 2020 - 2024 Audi Q8, 2018 - 2019 Audi RS5, 2021 - 2021 Audi RS5, 2022 - 2024 Audi RS5, 2019 - 2019 Audi RS5 Sportback, 2021 - 2021 Audi RS5 Sportback
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Item LocatedUnited States
Quantity1
ColorSilver, Black
ConditionNew
item #101569RN
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Thermostat Housing Assembly for Jeep Wrangler JK 2007-2011 V6 3.8L
A-Premium®Part # APTHA0181
Thermostat Housing Assembly for Jeep Wrangler JK 2007-2011 V6 3.8L
4.683 Reviews
$43.99
Low stock: Only 2 left
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2-year warranty
90 days free return
Fits 2007 - 2011 Jeep Wrangler
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Item LocatedUnited States
Quantity1
MaterialPlastic
ColorBlack
item #10027T93
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Engine Thermostat Housing Assembly for Ford Freestyle Mercury Montego 3.0L 05-07
A-Premium®Part # APTHA0015
Engine Thermostat Housing Assembly for Ford Freestyle Mercury Montego 3.0L 05-07
4.683 Reviews
$48.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2005 - 2007 Ford Five Hundred, 2005 - 2007 Ford Freestyle, 2005 - 2007 Mercury Montego
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Item LocatedUnited States
Quantity1
MaterialMetal
ColorBlack
item #1003D063
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A-Premium APTHE008 Engine Coolant Thermostat
A-Premium®Part # APTHE008
A-Premium APTHE008 Engine Coolant Thermostat
4.683 Reviews
$35.99
Low stock: Only 2 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2016 - 2017 Lexus GS200t, 2018 - 2019 Lexus GS300, 2016 - 2017 Lexus IS200t, 2018 - 2019 Lexus IS300, 2020 - 2022 Lexus IS300, 2023 - 2024 Lexus IS300, 2015 - 2017 Lexus NX200t, 2018 - 2021 Lexus NX300, 2016 - 2017 Lexus RC200t, 2018 - 2019 Lexus RC300, 2020 - 2021 Lexus RC300, 2023 - 2024 Lexus RC300
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Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V1CR
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Engine Coolant Thermostat Housing Assembly for Chrysler Town & Country 08-10 Dodge
A-Premium®Part # APTHA0072
Engine Coolant Thermostat Housing Assembly for Chrysler Town & Country 08-10 Dodge
4.683 Reviews
$26.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2007 - 2008 Chrysler Pacifica, 2007 - 2010 Chrysler Sebring, 2008 - 2010 Chrysler Town & Country, 2008 - 2010 Dodge Avenger, 2008 - 2010 Dodge Grand Caravan, 2009 - 2010 Dodge Journey, 2007 - 2011 Dodge Nitro
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Item LocatedUnited States
Quantity1
Part interchange
902-3039, 04892307AA, 4892307AA, 68349251AA
item #10059532
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A-Premium APTHE081 Engine Coolant Thermostat
A-Premium®Part # APTHE081
A-Premium APTHE081 Engine Coolant Thermostat
4.683 Reviews
$20.99
Edit ZIP code
2-year warranty
90 days free return
Fits 1991 - 1994 Mercury Capri, 1987 - 1990 Mercury Tracer, 1991 - 1996 Mercury Tracer, 1997 - 1999 Mitsubishi 3000GT, 1983 - 1988 Mitsubishi Cordia, 1992 - 1996 Mitsubishi Diamante, 1990 - 1994 Mitsubishi Eclipse, 1992 - 1992 Mitsubishi Expo, 1985 - 1992 Mitsubishi Galant, 1983 - 1989 Mitsubishi Mighty Max, 1983 - 1989 Mitsubishi Mighty Max, 1990 - 1993 Mitsubishi Mighty Max, 1990 - 1994 Mitsubishi Mighty Max, 1995 - 1996 Mitsubishi Mighty Max, 1985 - 1989 Mitsubishi Mirage, 1985 - 1996 Mitsubishi Mirage, 1991 - 1992 Mitsubishi Mirage, 2017 - 2017 Mitsubishi Mirage, 1983 - 1989 Mitsubishi Montero, 1989 - 1994 Mitsubishi Montero
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Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V56V
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A-Premium APTHE004 Engine Coolant Thermostat
A-Premium®Part # APTHE004
A-Premium APTHE004 Engine Coolant Thermostat
4.683 Reviews
$31.99
Edit ZIP code
2-year warranty
90 days free return
Fits 1980 - 1982 AMC Concord, 1981 - 1983 AMC Eagle, 1977 - 1977 AMC Gremlin, 1980 - 1982 AMC Spirit, 1979 - 1979 AMC Spirit, 2013 - 2021 Blue Bird Vision School Bus, 1981 - 1986 Chevrolet Chevette, 1982 - 1982 Datsun 720, 1978 - 1978 Dodge D100, 1979 - 1979 Dodge D100, 1978 - 1978 Dodge D150, 1979 - 1980 Dodge D150, 1978 - 1978 Dodge D200, 1980 - 1980 Dodge D200, 1983 - 1985 Dodge Power Ram 50, 1983 - 1985 Dodge Ram 50, 1978 - 1978 Dodge W150, 1979 - 1979 Dodge W150, 1978 - 1978 Dodge W200, 1979 - 1979 Dodge W200
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Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2C8
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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
4.683 Reviews
$22.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2004 - 2007 Buick Rainier, 2004 - 2007 Cadillac CTS, 2002 - 2006 Cadillac Escalade, 2003 - 2006 Cadillac Escalade ESV, 2002 - 2006 Cadillac Escalade EXT, 2002 - 2006 Chevrolet Avalanche 1500, 1998 - 2002 Chevrolet Camaro, 1997 - 2008 Chevrolet Corvette, 2003 - 2006 Chevrolet Express 1500, 2003 - 2006 Chevrolet Express 2500, 2003 - 2006 Chevrolet Express 3500, 1999 - 2006 Chevrolet Silverado 1500, 2007 - 2007 Chevrolet Silverado 1500 Classic, 2001 - 2003 Chevrolet Silverado 1500 HD, 2005 - 2006 Chevrolet Silverado 1500 HD, 2007 - 2007 Chevrolet Silverado 1500 HD Classic, 1999 - 2004 Chevrolet Silverado 2500, 2001 - 2006 Chevrolet Silverado 2500 HD, 2007 - 2007 Chevrolet Silverado 2500 HD Classic, 2001 - 2006 Chevrolet Silverado 3500
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Item LocatedUnited States
Quantity1
ColorNatural
ConditionNew
item #1015204K
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A-Premium APTHE018 Engine Coolant Thermostat
A-Premium®Part # APTHE018
A-Premium APTHE018 Engine Coolant Thermostat
4.683 Reviews
$17.99
Edit ZIP code
2-year warranty
90 days free return
Fits 1985 - 1988 Chevrolet Nova, 2008 - 2009 Ford F-650, 2008 - 2009 Ford F-750, 1998 - 1998 Ford F-800, 1998 - 1998 Ford F-800 LPO, 1989 - 1997 Geo Prizm, 1993 - 1997 Geo Prizm, 1995 - 1995 Nissan 200SX, 1997 - 1998 Nissan 200SX, 1991 - 1993 Nissan NX, 1989 - 1990 Nissan Pulsar NX, 1989 - 1999 Nissan Sentra, 1996 - 1997 Nissan Sentra, 1984 - 1986 Toyota Camry, 1983 - 1991 Toyota Camry, 1992 - 2001 Toyota Camry, 1990 - 1993 Toyota Celica, 1994 - 1997 Toyota Celica, 1986 - 1989 Toyota Celica, 1992 - 1999 Toyota Celica
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Item LocatedUnited States
Quantity1
MaterialMetal
ConditionNew
item #1005UU8S
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Engine Coolant Thermostat for Subaru Outback 13-19 Forester Impreza Toyota 89℃
A-Premium®Part # APTHE068
Engine Coolant Thermostat for Subaru Outback 13-19 Forester Impreza Toyota 89℃
4.683 Reviews
$20.99
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2-year warranty
90 days free return
Fits 2011 - 2015 Mitsubishi Lancer, 2011 - 2015 Mitsubishi Lancer, 2016 - 2017 Mitsubishi Lancer, 2011 - 2020 Mitsubishi Outlander, 2018 - 2018 Mitsubishi Outlander, 2018 - 2020 Mitsubishi Outlander PHEV, 2011 - 2021 Mitsubishi Outlander Sport, 2015 - 2020 Mitsubishi Outlander Sport, 2011 - 2017 Mitsubishi RVR, 2013 - 2013 Scion FR-S, 2014 - 2016 Scion FR-S, 2013 - 2020 Subaru BRZ, 2016 - 2021 Subaru Crosstrek, 2011 - 2023 Subaru Forester, 2012 - 2014 Subaru Impreza, 2015 - 2021 Subaru Impreza, 2022 - 2023 Subaru Impreza, 2013 - 2014 Subaru Legacy, 2015 - 2019 Subaru Legacy, 2013 - 2014 Subaru Outback
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DVR7
Note
Start to Open Temperature: 89℃.
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Thermostat Housing Assembly for Mercedes-Benz C300 E300 GLC350e SLC300 L4 2.0L
A-Premium®Part # APTHA0218
Thermostat Housing Assembly for Mercedes-Benz C300 E300 GLC350e SLC300 L4 2.0L
4.683 Reviews
$131.99
Low stock: Only 3 left
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2-year warranty
90 days free return
Fits 2016 - 2018 Mercedes-Benz C350e, 2018 - 2020 Mercedes-Benz GLC350e
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Item LocatedUnited States
Quantity1
MaterialPlastic
item #10027RGL
Note
【Note-1】 This item comes with Thermostat and Sensor.
【Note-2】 Please see Compatibility description for fitment information.
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Automatic Transmission Oil Cooler Thermostat for BMW E83 X3 2007-2010 3.0L
A-Premium®Part # APTHA0052
Automatic Transmission Oil Cooler Thermostat for BMW E83 X3 2007-2010 3.0L
4.683 Reviews
$21.99
Low stock: Only 5 left
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2-year warranty
90 days free return
Fits 2007 - 2010 BMW X3
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Item LocatedUnited States
Quantity1
ColorBlack
item #10047VU2
Note
This part is to radiator and only fits L6 3.0L vehicles with automatic transmission.
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Page 8 of 47

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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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