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Plymouth 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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Engine Coolant Thermostat for Dodge Grand Caravan Charger Mazda CX-5 Chevy 71℃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℃
4.685 Reviews
$26.99
Low stock: Only 4 left
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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
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Vehicle: Plymouth
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DYWH
Note
Start to Open Temperature: 71℃.
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A-Premium APTHE004 Engine Coolant Thermostat
A-Premium®Part # APTHE004
A-Premium APTHE004 Engine Coolant Thermostat
4.685 Reviews
$31.99
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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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Vehicle: Plymouth
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2C8
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A-Premium APTHE081 Engine Coolant Thermostat
A-Premium®Part # APTHE081
A-Premium APTHE081 Engine Coolant Thermostat
4.685 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: Plymouth
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V56V
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A-Premium APTHE003 Engine Coolant Thermostat
A-Premium®Part # APTHE003
A-Premium APTHE003 Engine Coolant Thermostat
4.685 Reviews
$20.99
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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: Plymouth
Item LocatedUnited States
Quantity1
MaterialMetal and Rubber
ConditionNew
item #1005V2KW
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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: Plymouth
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: Plymouth
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
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Vehicle: Plymouth
Item LocatedUnited States
QuantityOne Set
Part interchange
143-0687
item #1000XKVK
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Engine Coolant Thermostat - Mahle TX 18 79D
MahlePart # TX 18 79D
Engine Coolant Thermostat - Mahle TX 18 79D
51 Reviews
$26.99
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3-year warranty
90 days free return
Fits 1995-2001 Chrysler Voyager, 2002-2003 Chrysler Voyager, 2004-2008 Chrysler Voyager, 1995-1995 Dodge Caravan, 1988-2000 Jeep Cherokee, 1956-1957 Mercedes-Benz 180, 1959-1959 Mercedes-Benz 190B, 1960-1961 Mercedes-Benz 190B, 1961-1962 Mercedes-Benz 190C, 1963-1965 Mercedes-Benz 190C, 1963-1965 Mercedes-Benz 190DC, 1964-1972 Mercedes-Benz 600, 1966-1968 Mercedes-Benz 200D, 1968-1968 Mercedes-Benz 200, 1968-1969 Mercedes-Benz 250, 1968-1973 Mercedes-Benz 220, 1968-1973 Mercedes-Benz 220D, 1969-1973 Mercedes-Benz 200D, 1970-1970 Mercedes-Benz 250, 1970-1971 Mercedes-Benz 300SEL
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Vehicle: Plymouth
Item LocatedUnited States
Quantity1
Part interchange
TX 18 79D, 4078.79D, 4105.79D, 4165.79D, 33518, 13649, 100 200 07 15, TX1879D, 
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item #1000XN5G
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Vemo V25-99-1707 Engine Coolant Thermostat
VemoPart # V25-99-1707
Vemo V25-99-1707 Engine Coolant Thermostat
57 Reviews
$22.99
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3-year warranty
90 days free return
Fits 1995-1995 Chrysler Cirrus, 1995-1996 Chrysler New Yorker, 1995-1997 Chrysler Concorde, 1995-1997 Chrysler Intrepid, 1995-1997 Chrysler LHS, 1995-1999 Chrysler Sebring, 1995-2000 Chrysler Town & Country, 1996-1996 Chrysler Cirrus, 1996-1996 Chrysler Sebring, 1997-1997 Chrysler Cirrus, 1997-1998 Chrysler Sebring, 1999-2000 Chrysler Cirrus, 2000-2000 Chrysler Cirrus, 2000-2000 Chrysler Grand Voyager, 2000-2000 Chrysler Voyager, 2000-2002 Chrysler Neon, 2000-2003 Chrysler Voyager, 2001-2003 Chrysler Sebring, 2001-2004 Chrysler Sebring, 2001-2004 Chrysler Sebring
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Vehicle: Plymouth
Item LocatedUnited States
Quantity1
Part interchange
V25-99-1707, 78355S, 5204888, 20187J, 20188J, 24688, 25488, 18973, 
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item #1001QQDL
Note
With seal
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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