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Mazda Thermostat

53 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 for Ford Explorer Volkswagen Jetta Mercedes-Benz 87℃Engine Coolant Thermostat for Ford Explorer Volkswagen Jetta Mercedes-Benz 87℃
A-Premium®Part # APTHE094
Engine Coolant Thermostat for Ford Explorer Volkswagen Jetta Mercedes-Benz 87℃
4.687 Reviews
$17.99
Low stock: Only 2 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1966 - 1967 Mercedes-Benz 200, 1986 - 1991 Volkswagen Transporter, 1987 - 1990 Volvo 780, 2007 - 2010 Ford Explorer Sport Trac, 1976 - 1979 Volvo 265, 1984 - 1985 Renault Fuego, 1990 - 1991 Mercedes-Benz 300CE, 1966 - 1966 Mercedes-Benz 230S, 1982 - 1984 Peugeot 604, 1977 - 1979 Peugeot 604, 1978 - 1982 Porsche 928, 1963 - 1966 Mercedes-Benz 230SL, 1980 - 1982 Volvo 264, 1981 - 1984 Mercedes-Benz L1116, 1990 - 1992 Dodge Monaco, 1976 - 1976 Volvo 262, 1968 - 1972 Mercedes-Benz 280SE, 1992 - 1993 Volkswagen Corrado, 1979 - 1981 Peugeot 604, 1990 - 1993 Mercedes-Benz 300SL
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Vehicle: Mazda
Item LocatedUnited States
Quantity1
ConditionNew
item #1018814Y
Note
Start to Open Temperature: 87℃.
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Engine Coolant Thermostat for Dodge Grand Caravan Charger Mazda CX-5 Chevy 71℃
A-Premium®Part # APTHE024
Engine Coolant Thermostat for Dodge Grand Caravan Charger Mazda CX-5 Chevy 71℃
4.687 Reviews
$26.99
Low stock: Only 4 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1976 - 1977 Chevrolet Chevette, 1976 - 1980 Chevrolet Chevette, 1982 - 1987 Chevrolet Chevette, 1984 - 1989 Chrysler Daytona, 1987 - 1993 Chrysler Daytona, 1992 - 1993 Chrysler Daytona, 1988 - 1992 Chrysler Dynasty, 1991 - 1992 Chrysler Dynasty, 1983 - 1984 Chrysler E Class, 1990 - 1991 Chrysler Imperial, 1991 - 1992 Chrysler Imperial, 1984 - 1986 Chrysler Laser, 1986 - 1986 Chrysler Laser, 1982 - 1990 Chrysler LeBaron, 1986 - 1994 Chrysler LeBaron, 1993 - 1993 Chrysler LeBaron, 1983 - 1988 Chrysler New Yorker, 1986 - 1987 Chrysler New Yorker, 1990 - 1992 Chrysler New Yorker, 1990 - 1992 Chrysler New Yorker
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DYWH
Note
Start to Open Temperature: 71℃.
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Engine Coolant Thermostat Housing Assembly for Ford Explorer Escape Fusion Focus
A-Premium®Part # APTHA0270
Engine Coolant Thermostat Housing Assembly for Ford Explorer Escape Fusion Focus
4.687 Reviews
$33.99
Low stock: Only 4 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2013 - 2016 Ford Escape, 2013 - 2015 Ford Explorer, 2011 - 2018 Ford Focus, 2013 - 2014 Ford Fusion, 2015 - 2016 Ford Fusion, 2014 - 2018 Ford Special Service Police Sedan, 2013 - 2017 Ford Taurus, 2015 - 2016 Lincoln MKC, 2013 - 2016 Lincoln MKT, 2013 - 2016 Lincoln MKZ, 2004 - 2006 Mazda 3, 2004 - 2011 Mazda 3, 2007 - 2009 Mazda 3, 2012 - 2013 Mazda 3, 2006 - 2010 Mazda 5, 2012 - 2012 Mazda 3 Sport, 2013 - 2013 Mazda 3 Sport, 2006 - 2006 Mazda MX-5 Miata, 2007 - 2015 Mazda MX-5 Miata
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DTUG
Note
Temperature:71℃, Alternate Temperature Option.
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A-Premium APTHE004 Engine Coolant Thermostat
A-Premium®Part # APTHE004
A-Premium APTHE004 Engine Coolant Thermostat
4.687 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
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2C8
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A-Premium APTHE023 Engine Coolant Thermostat
A-Premium®Part # APTHE023
A-Premium APTHE023 Engine Coolant Thermostat
4.687 Reviews
$26.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2004 - 2004 Chevrolet Tracker, 1993 - 1997 Ford Probe, 1993 - 1997 Ford Probe, 2011 - 2014 Mazda 2, 2012 - 2016 Mazda 3, 2017 - 2017 Mazda 3, 2018 - 2018 Mazda 3, 2014 - 2016 Mazda 3, 2017 - 2017 Mazda 3, 2018 - 2018 Mazda 3, 2014 - 2017 Mazda 6, 2018 - 2018 Mazda 6, 1993 - 2002 Mazda 626, 1993 - 2002 Mazda 626, 2011 - 2011 Mazda 3 Sport, 2014 - 2016 Mazda 3 Sport, 2018 - 2018 Mazda 3 Sport, 2014 - 2016 Mazda 3 Sport, 2018 - 2018 Mazda 3 Sport, 2013 - 2016 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V5HT
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Engine Coolant Thermostat Housing Assembly for Ford Focus Lincoln Mazda Mercury
A-Premium®Part # APTHA0082
Engine Coolant Thermostat Housing Assembly for Ford Focus Lincoln Mazda Mercury
4.687 Reviews
$23.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2005 - 2008 Ford Escape, 2009 - 2019 Ford Escape, 2003 - 2007 Ford Focus, 2005 - 2011 Ford Focus, 2006 - 2010 Ford Fusion, 2010 - 2020 Ford Fusion, 2007 - 2011 Ford Ranger, 2014 - 2022 Ford Transit Connect, 2011 - 2012 Lincoln MKZ, 2007 - 2013 Mazda 3, 2010 - 2013 Mazda 3, 2010 - 2013 Mazda 3 Sport, 2012 - 2017 Mazda 5, 2003 - 2008 Mazda 6, 2009 - 2013 Mazda 6, 2004 - 2010 Mazda B2300, 2007 - 2012 Mazda CX-7, 2010 - 2012 Mazda CX-7, 2006 - 2006 Mazda MX-5 Miata, 2005 - 2006 Mazda Tribute
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
ColorBlack
ConditionNew
item #1005DVVG
Note
Engine Coolant Thermostat Housing Assembly -- Cover, Includes Thermostat.
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A-Premium APTHE043 Engine Coolant Thermostat
A-Premium®Part # APTHE043
A-Premium APTHE043 Engine Coolant Thermostat
4.687 Reviews
$24.99
Low stock: Only 5 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2004 - 2004 Chevrolet Tracker, 1993 - 1997 Ford Probe, 1993 - 1997 Ford Probe, 2011 - 2014 Mazda 2, 2012 - 2013 Mazda 3, 2014 - 2016 Mazda 3, 2017 - 2017 Mazda 3, 2018 - 2018 Mazda 3, 2014 - 2016 Mazda 3, 2017 - 2017 Mazda 3, 2018 - 2018 Mazda 3, 2014 - 2017 Mazda 6, 2018 - 2018 Mazda 6, 1993 - 2002 Mazda 626, 1993 - 2002 Mazda 626, 2011 - 2011 Mazda 3 Sport, 2014 - 2016 Mazda 3 Sport, 2018 - 2018 Mazda 3 Sport, 2014 - 2016 Mazda 3 Sport, 2018 - 2018 Mazda 3 Sport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2S4
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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
4.687 Reviews
$39.99
Low stock: Only 4 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2001 - 2004 Ford Escape, 2000 - 2000 Ford Focus, 2001 - 2004 Ford Focus, 2001 - 2004 Mazda Tribute
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ColorBlack
ConditionNew
item #1003CZ9R
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Engine Coolant Thermostat for Ford Escape Fusion Focus Mazda 3 6 Lincoln MKZ 90℃
A-Premium®Part # APTHA0326
Engine Coolant Thermostat for Ford Escape Fusion Focus Mazda 3 6 Lincoln MKZ 90℃
4.687 Reviews
$26.99
Low stock: Only 3 left
Edit ZIP code
2-year warranty
90 days free return
Fits 2010 - 2018 Ford Fusion, 2010 - 2013 Mazda 3, 2010 - 2012 Mazda CX-7, 2007 - 2012 Mazda CX-7, 2012 - 2013 Mazda 3 Sport, 2010 - 2010 Mazda 3 Sport, 2007 - 2013 Mazda 3, 2015 - 2015 Ford Escape, 2009 - 2010 Mazda Tribute, 2009 - 2009 Mercury Mariner, 2005 - 2008 Ford Escape, 2010 - 2011 Mercury Milan, 2012 - 2014 Mazda 5, 2006 - 2009 Mercury Milan, 2003 - 2007 Ford Focus, 2014 - 2018 Ford Transit Connect, 2011 - 2012 Lincoln MKZ, 2006 - 2007 Mazda MX-5 Miata, 2003 - 2008 Mazda 6, 2006 - 2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ConditionNew
item #10177CU7
Note
Start to Open Temperature: 90℃.
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Engine Coolant Water Outlet Thermostat Housing Assembly for Ford Escape Mercury
A-Premium®Part # APTHA0112
Engine Coolant Water Outlet Thermostat Housing Assembly for Ford Escape Mercury
4.687 Reviews
$56.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2005 - 2008 Ford Escape, 2006 - 2009 Ford Fusion, 2003 - 2005 Ford Taurus, 2006 - 2006 Lincoln Zephyr, 2005 - 2006 Mazda Tribute, 2008 - 2011 Mazda Tribute, 2005 - 2008 Mercury Mariner, 2006 - 2009 Mercury Milan, 2003 - 2005 Mercury Sable
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ConditionNew
item #1005EXN5
Note
It comes with Sensor.
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Thermostat Housing Assembly for Ford Explorer 2013-2015 Focus Mazda 3 Lincoln
A-Premium®Part # APTHA0115
Thermostat Housing Assembly for Ford Explorer 2013-2015 Focus Mazda 3 Lincoln
4.687 Reviews
$24.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2013 - 2016 Ford Escape, 2013 - 2015 Ford Explorer, 2013 - 2018 Ford Focus, 2013 - 2016 Ford Fusion, 2014 - 2018 Ford Special Service Police Sedan, 2013 - 2017 Ford Taurus, 2015 - 2016 Lincoln MKC, 2013 - 2016 Lincoln MKT, 2013 - 2016 Lincoln MKZ, 2012 - 2013 Mazda 3, 2004 - 2011 Mazda 3, 2007 - 2009 Mazda 3, 2004 - 2006 Mazda 3, 2006 - 2010 Mazda 5, 2009 - 2011 Mazda 3 Sport, 2007 - 2015 Mazda MX-5 Miata, 2006 - 2006 Mazda MX-5 Miata
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialPlastic
ConditionNew
item #10021VGP
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Engine Coolant Thermostat Housing Assembly for Ford Focus Ranger Mazda B2300
A-Premium®Part # APTHA0085
Engine Coolant Thermostat Housing Assembly for Ford Focus Ranger Mazda B2300
4.687 Reviews
$40.99
Edit ZIP code
2-year warranty
90 days free return
Fits 2005 - 2011 Ford Focus, 2001 - 2003 Ford Ranger, 2001 - 2003 Mazda B2300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialPlastic
ConditionNew
item #1005G1NE
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Engine Coolant Thermostat for Ford Explorer 11-19 Escape 01-12 Fusion Edge 82℃
A-Premium®Part # APTHE048
Engine Coolant Thermostat for Ford Explorer 11-19 Escape 01-12 Fusion Edge 82℃
4.687 Reviews
$26.99
Edit ZIP code
2-year warranty
90 days free return
Fits 1995 - 1995 Ford Contour, 1996 - 2000 Ford Contour, 2007 - 2018 Ford Edge, 2011 - 2014 Ford Edge, 2001 - 2012 Ford Escape, 2011 - 2019 Ford Explorer, 2005 - 2007 Ford Five Hundred, 2009 - 2019 Ford Flex, 2005 - 2007 Ford Freestyle, 2006 - 2012 Ford Fusion, 2010 - 2012 Ford Fusion, 1996 - 1997 Ford Mustang, 2003 - 2004 Ford Mustang, 2005 - 2006 Ford Mustang, 2013 - 2019 Ford Police Interceptor Sedan, 2013 - 2019 Ford Police Interceptor Utility, 1996 - 2005 Ford Taurus, 2008 - 2019 Ford Taurus, 2008 - 2009 Ford Taurus X, 2000 - 2008 Jaguar S-Type
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DW66
Note
Start to Open Temperature: 82℃.
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A-Premium APTHE003 Engine Coolant Thermostat
A-Premium®Part # APTHE003
A-Premium APTHE003 Engine Coolant Thermostat
4.687 Reviews
$20.99
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
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2KW
Show less
Engine Coolant Thermostat for Ford Escape Fusion Mustang Taurus Mazda 6 Lincoln
A-Premium®Part # APTHE044
Engine Coolant Thermostat for Ford Escape Fusion Mustang Taurus Mazda 6 Lincoln
4.687 Reviews
$23.99
Low stock: Only 4 left
Edit ZIP code
2-year warranty
90 days free return
Fits 1995 - 1995 Ford Contour, 1995 - 1995 Ford Contour, 1998 - 2000 Ford Contour, 2001 - 2007 Ford Escape, 2006 - 2008 Ford Fusion, 2011 - 2012 Ford Fusion, 1996 - 1999 Ford Mustang, 2001 - 2001 Ford Mustang, 2001 - 2005 Ford Taurus, 2000 - 2008 Jaguar S-Type, 2012 - 2012 Jaguar XF, 1995 - 2002 Lincoln Continental, 2020 - 2020 Lincoln Continental, 2000 - 2005 Lincoln LS, 2006 - 2006 Lincoln Zephyr, 2003 - 2008 Mazda 6, 2000 - 2006 Mazda MPV, 2001 - 2006 Mazda Tribute, 2008 - 2011 Mazda Tribute, 1999 - 2002 Mercury Cougar
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DWL4
Note
【Note-1】 Start to Open Temperature: 87℃.;
【Note-2】 1995 Ford Contour L4 2.0L & V6 2.5L only fit the GL Sport/ LX Sport model.
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Vemo V25-99-1737 Engine Coolant Thermostat Housing
VemoPart # V25-99-1737
Vemo V25-99-1737 Engine Coolant Thermostat Housing
57 Reviews
$104.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2003 Mazda B2300, 2004-2010 Mazda B2300, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2009-2010 Mazda Tribute, 2009-2010 Mazda Tribute, 2011-2011 Mazda Tribute
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
Part interchange
V25-99-1737, L35715170B, 31251246, 1F7015171, 1F7015171B, L35615170C, ZZC115172, 1F7015171A, 
...View more
item #1001QLWL
Note
With seal
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Vemo V25-99-1732 Engine Coolant Thermostat Housing
VemoPart # V25-99-1732
Vemo V25-99-1732 Engine Coolant Thermostat Housing
57 Reviews
$46.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004-2004 Mazda 3, 2005-2005 Mazda 3, 2006-2006 Mazda 3, 2006-2006 Mazda 5, 2006-2006 Mazda MX-5 Miata, 2007-2007 Mazda MX-5 Miata, 2007-2009 Mazda 3, 2007-2009 Mazda 3, 2007-2010 Mazda 5, 2008-2009 Mazda 3, 2008-2013 Mazda MX-5 Miata, 2009-2009 Mazda 3 Sport, 2010-2010 Mazda 3 Sport, 2010-2012 Mazda 3, 2010-2013 Mazda 3, 2010-2013 Mazda 3, 2011-2011 Mazda 3, 2012-2012 Mazda 3 Sport, 2012-2013 Mazda 3, 2012-2013 Mazda 3 Sport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
Part interchange
V25-99-1732, LF5015170B, LF5015170C, LF7015170, 30711785, 30757408, 31251245, 30731313, 
...View more
item #1001QR9H
Note
With pipe socket
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ÜRO Parts MA0717551 Engine Coolant Thermostat Housing Assembly
ÜRO PartsPart # MA0717551
ÜRO Parts MA0717551 Engine Coolant Thermostat Housing Assembly
52 Reviews
$28.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2007 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2006-2006 Ford Ranger, 2006-2009 Ford Fusion, 2007-2007 Ford Focus, 2007-2007 Ford Focus, 2007-2007 Ford Focus, 2007-2007 Ford Ranger, 2008-2008 Ford Ranger, 2008-2011 Ford Focus, 2009-2011 Ford Ranger, 2010-2017 Ford Escape, 2010-2017 Ford Fusion, 2014-2016 Ford Transit Connect, 2017-2018 Ford Transit Connect, 2018-2018 Ford Escape
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialPA6
ColorBlack
item #1000ZS2X
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ÜRO Parts FD0712939 Engine Coolant Thermostat / Water Inlet Assembly
ÜRO PartsPart # FD0712939
ÜRO Parts FD0712939 Engine Coolant Thermostat / Water Inlet Assembly
52 Reviews
$69.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2001-2001 Ford F-100 Ranger, 2001-2003 Ford Ranger, 2001-2007 Ford Mondeo, 2005-2010 Ford Focus, 2011-2011 Ford Focus, 2001-2003 Mazda B2300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
ColorBlack
Part interchange
FD0712939, 1S7Z8575AG, 1F20-15-171, 902-820, 85690, TM1798, 604-208, Z63008, 
...View more
item #1000ZTP0
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ÜRO Parts FD0717417 Engine Coolant Thermostat Housing Assembly
ÜRO PartsPart # FD0717417
ÜRO Parts FD0717417 Engine Coolant Thermostat Housing Assembly
52 Reviews
$37.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2000-2000 Ford Focus, 2000-2001 Ford Focus, 2000-2001 Ford Focus, 2000-2001 Ford Focus, 2000-2001 Ford Focus, 2001-2004 Ford Escape, 2002-2002 Ford Focus, 2003-2004 Ford Focus, 2001-2004 Mazda Tribute
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda
Item LocatedUnited States
Quantity1
MaterialPA66-GF30
ColorBlack
item #1000ZPPS
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Page 1 of 3

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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