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Thermostat

942 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 Mercedes-Benz W205 C400 W213 E400Engine Coolant Thermostat Housing Assembly for Mercedes-Benz W205 C400 W213 E400
A-Premium®Part # APTHA0067
Engine Coolant Thermostat Housing Assembly for Mercedes-Benz W205 C400 W213 E400
4.796 Reviews
$69.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2019 - 2020 Mercedes-Benz E450, 2019 - 2020 Mercedes-Benz S560e, 2019 - 2019 Mercedes-Benz GLE450, 2018 - 2020 Mercedes-Benz S450, 2017 - 2022 Mercedes-Benz C43 AMG, 2017 - 2022 Mercedes-Benz GLC43 AMG, 2017 - 2020 Mercedes-Benz SL450, 2017 - 2020 Mercedes-Benz SLC43 AMG, 2017 - 2019 Mercedes-Benz GLE43 AMG, 2017 - 2019 Mercedes-Benz GLS450, 2017 - 2018 Mercedes-Benz E400, 2017 - 2018 Mercedes-Benz E43 AMG, 2017 - 2017 Mercedes-Benz CLS400, 2016 - 2019 Mercedes-Benz GLE400, 2016 - 2016 Mercedes-Benz C450 AMG, 2016 - 2016 Mercedes-Benz GLE450 AMG, 2015 - 2017 Mercedes-Benz CLS400, 2015 - 2017 Mercedes-Benz S550e, 2015 - 2016 Mercedes-Benz GL450, 2015 - 2016 Mercedes-Benz SL400
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Item LocatedUnited States
Quantity1
ColorBlack
ConditionNew
item #1000GZN9
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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
4.796 Reviews
$23.99
Enter ZIP codeFree standard shipping
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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Item LocatedUnited States
Quantity1
MaterialAluminum
ConditionNew
item #10027QWE
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Thermostat Housing Assembly with Sensor for Jaguar F-Type 2017-2018 XE XF 2017
A-Premium®Part # APTHA0096
Thermostat Housing Assembly with Sensor for Jaguar F-Type 2017-2018 XE XF 2017
4.796 Reviews
$46.99
Low stock: Only 1 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2017 - 2018 Jaguar F-Type, 2017 - 2017 Jaguar XE, 2017 - 2017 Jaguar XF
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Item LocatedUnited States
Quantity1
ColorBlack
ConditionNew
item #1005GQDR
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Engine Coolant Thermostat for Hyundai Sonata 15-19 Kia Optima Sorento 2.0L 82℃
A-Premium®Part # APTHE034
Engine Coolant Thermostat for Hyundai Sonata 15-19 Kia Optima Sorento 2.0L 82℃
4.796 Reviews
$21.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2022 - 2023 Hyundai Elantra N, 2022 - 2023 Hyundai Kona N, 2019 - 2022 Hyundai Veloster N, 2019 - 2020 Hyundai Santa Fe, 2017 - 2022 Kia Sportage, 2017 - 2018 Hyundai Santa Fe Sport, 2016 - 2020 Kia Optima, 2016 - 2018 Kia Sorento, 2015 - 2019 Hyundai Sonata
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DV6L
Note
Start to Open Temperature: 82℃.
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Engine Coolant Thermostat Housing Assembly for BMW X3 F25 2011-2017 X4 15-18 3.0L
A-Premium®Part # APTHA0074
Engine Coolant Thermostat Housing Assembly for BMW X3 F25 2011-2017 X4 15-18 3.0L
4.796 Reviews
$74.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2015 - 2018 BMW X4, 2013 - 2017 BMW X3, 2012 - 2012 BMW X3, 2011 - 2012 BMW X3
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Item LocatedUnited States
Quantity1
ColorBlack
ConditionNew
item #100597RA
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Engine Coolant Thermostat for Honda Hyundai Dodge Acura INFINITI Chrysler 77℃
A-Premium®Part # APTHE002
Engine Coolant Thermostat for Honda Hyundai Dodge Acura INFINITI Chrysler 77℃
4.796 Reviews
$27.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2016 - 2016 INFINITI QX80, 2015 - 2015 INFINITI Q70L, 2014 - 2015 INFINITI Q70, 2014 - 2015 INFINITI QX80, 2014 - 2014 INFINITI QX70, 2013 - 2014 Acura RDX, 2012 - 2012 Honda Crosstour, 2011 - 2013 INFINITI M56, 2010 - 2014 Acura TSX, 2010 - 2013 Acura ZDX, 2010 - 2011 Honda Accord Crosstour, 2009 - 2014 Acura TL, 2009 - 2013 INFINITI FX50, 2009 - 2012 Acura RL, 2008 - 2012 Honda Accord, 2007 - 2014 Acura TL, 2007 - 2013 Acura MDX, 2006 - 2014 Honda Ridgeline, 2006 - 2010 INFINITI M45, 2005 - 2009 Hyundai Tucson
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DUET
Note
Start to Open Temperature: 77℃.
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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
4.796 Reviews
$14.99
Low stock: Only 3 left
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
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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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Engine Coolant Thermostat Housing Assy for Nissan Frontier Pathfinder INFINITI
A-Premium®Part # APTHA0288
Engine Coolant Thermostat Housing Assy for Nissan Frontier Pathfinder INFINITI
4.796 Reviews
$37.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2012 - 2021 Nissan NV1500, 2012 - 2021 Nissan NV2500, 2012 - 2021 Nissan NV3500, 2006 - 2008 INFINITI M35, 2005 - 2020 Nissan Frontier, 2005 - 2015 Nissan Xterra, 2005 - 2012 Nissan Pathfinder, 2004 - 2006 INFINITI G35, 2004 - 2004 INFINITI FX35
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Item LocatedUnited States
ColorNatural
ConditionNew
item #101569YZ
Note
【Note-1】 For INFINITI FX35, This item fits AWD(All Wheel Drive), not RWD(Rear Wheel Drive).;
【Note-2】 For INFINITI G35, This item fits Sedan, not Coupe.
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A-Premium APTHE010 Engine Coolant Thermostat
A-Premium®Part # APTHE010
A-Premium APTHE010 Engine Coolant Thermostat
4.796 Reviews
$26.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2017 - 2023 Honda CR-V, 2016 - 2021 Honda Civic
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Item LocatedUnited States
Quantity1
ConditionNew
item #1005V0S2
Note
This item comes with seal.
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Engine Coolant Thermostat for Hyundai Sonata 2006-2010 Santa Fe Kia Sorento 82℃
A-Premium®Part # APTHE046
Engine Coolant Thermostat for Hyundai Sonata 2006-2010 Santa Fe Kia Sorento 82℃
4.796 Reviews
$23.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2016 - 2018 Hyundai Santa Fe, 2016 - 2017 Hyundai Azera, 2016 - 2017 Kia K900, 2015 - 2019 Kia Sedona, 2014 - 2019 Hyundai Santa Fe XL, 2014 - 2019 Kia Sorento, 2014 - 2016 Kia Cadenza, 2014 - 2014 Kia Sedona, 2013 - 2014 Hyundai Santa Fe, 2012 - 2014 Hyundai Genesis, 2012 - 2013 Hyundai Equus, 2011 - 2013 Kia Sorento, 2011 - 2012 Kia Sedona, 2011 - 2011 Hyundai Equus, 2010 - 2016 Hyundai Genesis Coupe, 2010 - 2012 Hyundai Genesis, 2010 - 2012 Hyundai Santa Fe, 2009 - 2016 Hyundai Genesis, 2009 - 2011 Kia Borrego, 2008 - 2009 Kia Sorento
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DWYP
Note
Start to Open Temperature: 82℃.
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Thermostat Housing Assembly for Volkswagen Passat 2012-2014 L4 2.0L 87 ℃
A-Premium®Part # APTHA0228
Thermostat Housing Assembly for Volkswagen Passat 2012-2014 L4 2.0L 87 ℃
4.796 Reviews
$57.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2012 - 2014 Volkswagen Passat
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Item LocatedUnited States
Quantity1
MaterialPlastic
ConditionNew
item #10027RVG
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Engine Coolant Thermostat for Honda Civic 2006-2015 HR-V 2016-2022 Acura EL ILX 82℃
A-Premium®Part # APTHE045
Engine Coolant Thermostat for Honda Civic 2006-2015 HR-V 2016-2022 Acura EL ILX 82℃
4.796 Reviews
$24.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2016 - 2022 Honda HR-V, 2013 - 2015 Acura ILX, 2012 - 2013 Honda Civic, 2006 - 2015 Honda Civic, 2001 - 2005 Acura EL, 1997 - 2000 Acura EL
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DUXY
Note
Start to Open Temperature: 82℃.
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Thermostat Housing Assembly for Volvo S60 2015-2021 V60 XC60
A-Premium®Part # APTHA0226
Thermostat Housing Assembly for Volvo S60 2015-2021 V60 XC60
4.796 Reviews
$70.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2024 - 2024 Volvo XC60, 2024 - 2024 Volvo XC90, 2019 - 2022 Volvo XC40, 2018 - 2021 Volvo V90, 2017 - 2021 Volvo S90, 2017 - 2021 Volvo V60 Cross Country, 2017 - 2021 Volvo V90 Cross Country, 2017 - 2018 Volvo S60 Cross Country, 2016 - 2022 Volvo XC90, 2015 - 2022 Volvo XC60, 2015 - 2021 Volvo S60, 2015 - 2021 Volvo V60, 2015 - 2016 Volvo S80, 2015 - 2016 Volvo XC70
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Item LocatedUnited States
ColorBlack
ConditionNew
item #10027NRH
Note
This item comes with a Housing, Sensor, and Seal.
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Thermostat Housing Assembly with Thermostat for Volvo V60 V90 XC40 XC70 XC90 S80
A-Premium®Part # APTHA0210
Thermostat Housing Assembly with Thermostat for Volvo V60 V90 XC40 XC70 XC90 S80
4.796 Reviews
$54.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2024 - 2024 Volvo XC60, 2024 - 2024 Volvo XC90, 2019 - 2022 Volvo XC40, 2018 - 2021 Volvo V90, 2017 - 2021 Volvo S90, 2017 - 2021 Volvo V60 Cross Country, 2017 - 2021 Volvo V90 Cross Country, 2017 - 2018 Volvo S60 Cross Country, 2016 - 2022 Volvo XC90, 2015 - 2022 Volvo XC60, 2015 - 2021 Volvo S60, 2015 - 2021 Volvo V60, 2015 - 2016 Volvo S80, 2015 - 2016 Volvo XC70
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Item LocatedUnited States
Quantity1
ConditionNew
item #1002LNVD
Note
This item does not come with sensor.
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Engine Coolant Thermostat for Ford F-150 Explorer Escape Fusion Edge Lincoln MKZ
A-Premium®Part # APTHE064
Engine Coolant Thermostat for Ford F-150 Explorer Escape Fusion Edge Lincoln MKZ
4.796 Reviews
$24.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2022 - 2023 Ford Bronco, 2021 - 2023 Ford Bronco, 2021 - 2022 Lincoln Corsair, 2020 - 2023 Ford Explorer, 2020 - 2023 Ford Explorer, 2020 - 2023 Ford Police Interceptor Utility, 2020 - 2023 Lincoln Aviator, 2020 - 2022 Ford Escape, 2019 - 2023 Lincoln Nautilus, 2019 - 2020 Ford Police Responder Hybrid, 2019 - 2020 Ford SSV Plug-In Hybrid, 2018 - 2023 Ford F-150, 2018 - 2021 Ford F-150, 2017 - 2020 Lincoln Continental, 2017 - 2020 Lincoln Continental, 2017 - 2020 Lincoln MKZ, 2017 - 2019 Ford Fusion, 2016 - 2018 Lincoln MKX, 2015 - 2023 Ford Edge, 2015 - 2023 Ford F-150
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DWDG
Note
【Note-1】 Start to Open Temperature: 88℃.;
【Note-2】 2013-2020 Ford Fusion L4 2.0L only fit the Naturally Aspirated, not fit the Turbocharged.;
【Note-3】 2013-2020 Lincoln MKZ L4 2.0L only fit the FULL HYBRID EV-GAS (FHEV), not fit the Gas.
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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℃
4.796 Reviews
$20.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2022 - 2024 Toyota GR86, 2022 - 2023 Subaru Impreza, 2018 - 2020 Mitsubishi Outlander PHEV, 2018 - 2018 Mitsubishi Outlander, 2018 - 2018 Subaru Outback, 2017 - 2020 Toyota 86, 2017 - 2017 Subaru Outback, 2016 - 2021 Subaru Crosstrek, 2016 - 2017 Mitsubishi Lancer, 2015 - 2021 Subaru Impreza, 2015 - 2020 Mitsubishi Outlander Sport, 2015 - 2019 Subaru Legacy, 2015 - 2019 Subaru Outback, 2014 - 2016 Scion FR-S, 2013 - 2020 Subaru BRZ, 2013 - 2015 Subaru XV Crosstrek, 2013 - 2014 Subaru Legacy, 2013 - 2014 Subaru Outback, 2013 - 2013 Scion FR-S, 2012 - 2014 Subaru Impreza
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DVR7
Note
Start to Open Temperature: 89℃.
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Diesel Thermostat with Seal for Freightliner Columbia Western Star DD13 DD15 87℃
A-Premium®Part # APTHA0343
Diesel Thermostat with Seal for Freightliner Columbia Western Star DD13 DD15 87℃
4.796 Reviews
$134.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2022 - 2022 Western Star 6900XD, 2019 - 2019 Western Star 6900XD, 2016 - 2022 Western Star 5700XE, 2016 - 2020 Western Star 5700XE, 2016 - 2020 Western Star 5700XE, 2014 - 2015 Freightliner XC Modular Rail, 2014 - 2015 Freightliner XC Raised Rail, 2013 - 2022 Freightliner 122SD, 2013 - 2020 Freightliner 122SD, 2013 - 2020 Freightliner 122SD, 2013 - 2020 Freightliner Sport Chassis, 2013 - 2020 Western Star 4700SB, 2013 - 2020 Western Star 4700SF, 2013 - 2020 Western Star 4800SF, 2012 - 2020 Freightliner 114SD, 2012 - 2020 Western Star 4800SB, 2011 - 2023 Freightliner Cascadia, 2011 - 2022 Western Star 4900EX, 2011 - 2022 Western Star 4900SA, 2011 - 2020 Freightliner M2 112
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Item LocatedUnited States
Quantity1
ConditionNew
item #10188290
Note
Start to Open Temperature: 87℃.
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Thermostat Housing Assembly for Cadillac Escalade Chevrolet Silverado 1500 GMC
A-Premium®Part # APTHA0128
Thermostat Housing Assembly for Cadillac Escalade Chevrolet Silverado 1500 GMC
4.796 Reviews
$22.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
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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Item LocatedUnited States
Quantity1
MaterialAluminum
ConditionNew
item #10027T01
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Engine Coolant Thermostat for VW Jetta 05-18 Golf 10-14 Passat Beetle Rabbit 80℃
A-Premium®Part # APTHE066
Engine Coolant Thermostat for VW Jetta 05-18 Golf 10-14 Passat Beetle Rabbit 80℃
4.796 Reviews
$31.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2012 - 2019 Volkswagen Beetle, 2012 - 2018 Volkswagen Passat, 2010 - 2014 Volkswagen Golf, 2006 - 2010 Volkswagen Beetle, 2006 - 2009 Volkswagen Rabbit, 2005 - 2018 Volkswagen Jetta
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Item LocatedUnited States
Quantity1
ConditionNew
item #1013DTKL
Note
Start to Open Temperature: 80℃.
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Engine Thermostat Housing Assembly for Ford Thunderbird Lincoln LS 3.9L 03-06
A-Premium®Part # APTHA0016
Engine Thermostat Housing Assembly for Ford Thunderbird Lincoln LS 3.9L 03-06
4.796 Reviews
$77.99
Enter ZIP codeFree standard shipping
2-year warranty
90 days free return
Fits 2005 - 2006 Lincoln LS, 2005 - 2005 Ford Thunderbird, 2005 - 2005 Lincoln LS, 2004 - 2004 Ford Thunderbird, 2003 - 2005 Ford Thunderbird, 2003 - 2004 Lincoln LS, 2003 - 2003 Lincoln LS
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Item LocatedUnited States
Quantity1
ColorBlack
ConditionNew
item #1003CYL3
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Page 6 of 48

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