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Mitsubishi Montero Thermostat

9 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 APTHE081 Engine Coolant ThermostatA-Premium APTHE081 Engine Coolant Thermostat
A-Premium®Part # APTHE081
A-Premium APTHE081 Engine Coolant Thermostat
4.683 Reviews
$20.99
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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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Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V56V
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A-Premium APTHE001 Engine Coolant Thermostat
A-Premium®Part # APTHE001
A-Premium APTHE001 Engine Coolant Thermostat
4.683 Reviews
$23.99
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2-year warranty
90 days free return
Fits 1997 - 1999 Acura CL, 2001 - 2003 Acura CL, 1991 - 1995 Acura Legend, 2001 - 2006 Acura MDX, 2007 - 2013 Acura MDX, 1991 - 2005 Acura NSX, 1997 - 2005 Acura NSX, 2013 - 2015 Acura RDX, 1996 - 2008 Acura RL, 2009 - 2012 Acura RL, 1995 - 1998 Acura TL, 1996 - 2008 Acura TL, 2007 - 2014 Acura TL, 2009 - 2014 Acura TL, 2010 - 2014 Acura TSX, 1992 - 1994 Acura Vigor, 2010 - 2013 Acura ZDX, 1995 - 2000 Chrysler Cirrus, 1996 - 1996 Chrysler Sebring, 2000 - 2000 Chrysler Sebring
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Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2X1
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Beck/Arnley 143-0688 Engine Coolant Thermostat
Beck/ArnleyPart # 143-0688
Beck/Arnley 143-0688 Engine Coolant Thermostat
51 Reviews
$27.99
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3-year warranty
90 days free return
Fits 1998-1998 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1982-1985 Chrysler LeBaron, 1983-1984 Chrysler E Class, 1983-1984 Chrysler Executive Sedan, 1983-1985 Chrysler New Yorker, 1985-1985 Chrysler Executive Limousine, 1987-1989 Chrysler Conquest, 1988-1989 Chrysler New Yorker, 1989-1990 Chrysler Dynasty, 1990-1995 Chrysler LeBaron, 1971-1978 Dodge Colt, 1978-1983 Dodge Challenger, 1979-1980 Dodge Colt, 1979-1981 Dodge D50, 1979-1984 Dodge Colt, 1981-1985 Dodge Aries, 1982-1983 Dodge 400
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Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
Part interchange
143-0688
item #1000XGE3
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Beck/Arnley 143-0689 Engine Coolant Thermostat
Beck/ArnleyPart # 143-0689
Beck/Arnley 143-0689 Engine Coolant Thermostat
51 Reviews
$23.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1998 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1982-1985 Chrysler LeBaron, 1983-1984 Chrysler E Class, 1983-1984 Chrysler Executive Sedan, 1983-1985 Chrysler New Yorker, 1985-1985 Chrysler Executive Limousine, 1987-1989 Chrysler Conquest, 1988-1989 Chrysler New Yorker, 1989-1990 Chrysler Dynasty, 1971-1978 Dodge Colt, 1978-1983 Dodge Challenger, 1979-1980 Dodge Colt, 1979-1981 Dodge D50, 1979-1984 Dodge Colt, 1981-1985 Dodge Aries, 1982-1983 Dodge 400, 1983-1983 Dodge Power Ram 50
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
Part interchange
143-0689
item #1000XHG9
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Beck/Arnley 143-0687 Engine Coolant Thermostat
Beck/ArnleyPart # 143-0687
Beck/Arnley 143-0687 Engine Coolant Thermostat
51 Reviews
$22.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1998 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1999-1999 Chevrolet Tracker, 1982-1985 Chrysler LeBaron, 1983-1984 Chrysler E Class, 1983-1984 Chrysler Executive Sedan, 1983-1985 Chrysler New Yorker, 1985-1985 Chrysler Executive Limousine, 1987-1989 Chrysler Conquest, 1988-1989 Chrysler New Yorker, 1989-1990 Chrysler Dynasty, 1971-1978 Dodge Colt, 1978-1983 Dodge Challenger, 1979-1980 Dodge Colt, 1979-1981 Dodge D50, 1979-1983 Dodge Colt, 1981-1985 Dodge Aries, 1982-1983 Dodge 400, 1983-1983 Dodge Power Ram 50
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi Montero
Item LocatedUnited States
QuantityOne Set
Part interchange
143-0687
item #1000XKVK
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Beck/Arnley 143-0779 Engine Coolant Thermostat
Beck/ArnleyPart # 143-0779
Beck/Arnley 143-0779 Engine Coolant Thermostat
51 Reviews
$30.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1993-1994 Dodge Colt, 1992-1992 Mitsubishi Expo LRV, 1993-1993 Mitsubishi Expo LRV, 1993-1996 Mitsubishi Mirage, 1994-1994 Mitsubishi Expo LRV, 1997-1999 Mitsubishi Montero Sport, 1997-2002 Mitsubishi Mirage, 2002-2002 Mitsubishi Lancer, 2003-2004 Mitsubishi Lancer, 2003-2006 Mitsubishi Lancer, 2003-2006 Mitsubishi Lancer, 2006-2006 Mitsubishi Lancer, 2007-2007 Mitsubishi Lancer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
Part interchange
143-0779
item #1000XLRY
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Beck/Arnley 143-0804 Engine Coolant Thermostat
Beck/ArnleyPart # 143-0804
Beck/Arnley 143-0804 Engine Coolant Thermostat
51 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-1997 Mitsubishi Diamante, 1998-2002 Mitsubishi Montero, 1998-2003 Mitsubishi Montero Sport, 1998-2004 Mitsubishi Diamante, 1999-2003 Mitsubishi Galant, 1999-2003 Mitsubishi Montero Sport, 2000-2001 Mitsubishi Montero Sport, 2000-2002 Mitsubishi Eclipse, 2003-2004 Mitsubishi Montero Sport, 2003-2005 Mitsubishi Eclipse, 2003-2005 Mitsubishi Eclipse, 2004-2006 Mitsubishi Galant, 2004-2008 Mitsubishi Endeavor, 2007-2007 Mitsubishi Galant, 2009-2009 Mitsubishi Galant, 2010-2011 Mitsubishi Endeavor
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
Part interchange
143-0804
item #1000XESK
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Beck/Arnley 143-0713 Engine Coolant Thermostat
Beck/ArnleyPart # 143-0713
Beck/Arnley 143-0713 Engine Coolant Thermostat
51 Reviews
$34.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1999 Chrysler Cirrus, 1995-1999 Chrysler Sebring, 1995-1999 Dodge Avenger, 2000-2000 Dodge Avenger, 1991-1991 Mitsubishi 3000GT, 1992-1995 Mitsubishi Diamante, 1994-1994 Mitsubishi Montero, 1995-1997 Mitsubishi Montero, 1997-1997 Mitsubishi Diamante, 1997-1998 Mitsubishi Montero Sport, 2003-2005 Mitsubishi Eclipse, 2003-2005 Mitsubishi Eclipse, 2003-2006 Mitsubishi Montero, 2006-2011 Mitsubishi Eclipse, 2007-2007 Mitsubishi Galant, 2007-2007 Mitsubishi Outlander, 2008-2008 Mitsubishi Galant, 2008-2011 Mitsubishi Outlander, 2009-2009 Mitsubishi Galant
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
Part interchange
143-0713
item #1000XH7N
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Engine Coolant Thermostat - Lower - Mahle TX 147 82D
MahlePart # TX 147 82D
Engine Coolant Thermostat - Lower - Mahle TX 147 82D
51 Reviews
$28.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2000-2000 Chrysler Cirrus, 2000-2000 Chrysler Sebring, 2005-2005 Chrysler Sebring, 2000-2000 Dodge Avenger, 2000-2000 Dodge Stratus, 2005-2005 Dodge Stratus, 2002-2005 INFINITI Q45, 2003-2004 INFINITI M45, 2003-2008 INFINITI FX45, 2004-2013 INFINITI QX56, 2006-2006 INFINITI Q45, 2006-2010 INFINITI M45, 2009-2013 INFINITI FX50, 2011-2013 INFINITI M56, 2014-2014 INFINITI QX70, 2014-2015 INFINITI Q70, 2014-2015 INFINITI QX80, 2015-2015 INFINITI Q70L, 2003-2005 Mitsubishi Eclipse, 2003-2005 Mitsubishi Montero
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mitsubishi Montero
Item LocatedUnited States
Quantity1
Installation PositionLower
Part interchange
TX 147 82D, 21200-AD200, 21200-AD201, 21200-1LA0A, 33878, 14128, TX14782D, 297-180, 
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item #1000XPVK
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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