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Thermostat

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Engine Coolant Thermostat for International Harvester IC Corporation 3000 IC 89℃Engine Coolant Thermostat for International Harvester IC Corporation 3000 IC 89℃
A-Premium®Part # APTHE080
Engine Coolant Thermostat for International Harvester IC Corporation 3000 IC 89℃
4.649 Reviews
$54.99
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2-year warranty
90 days free return
Fits 2003 - 2003 IC Corporation 3800, 2002 - 2002 IC Corporation 3000 IC, 2003 - 2006 IC Corporation CE Commercial, 2004 - 2004 IC Corporation CE Commercial, 2005 - 2007 IC Corporation CE Integrated, 2003 - 2004 IC Corporation CE School Bus, 2003 - 2004 IC Corporation FE Commercial, 2005 - 2005 IC Corporation FE Integrated, 2003 - 2004 IC Corporation FE School Bus, 2006 - 2006 IC Corporation FE School Bus, 2003 - 2007 IC Corporation RE Commercial, 2005 - 2005 IC Corporation RE Integrated, 2003 - 2004 IC Corporation RE School Bus, 2006 - 2007 IC Corporation RE School Bus, 1979 - 1979 International Harvester 1754, 1986 - 1988 International Harvester 1754, 1979 - 1989 International Harvester 1854, 1979 - 1989 International Harvester 1954, 1979 - 1989 International Harvester 1955, 1979 - 1989 International Harvester 2155, 1979 - 2002 International Harvester 2554, 2001 - 2003 International Harvester 2574, 1989 - 2002 International Harvester 2654, 2001 - 2001 International Harvester 2674, 2002 - 2003 International Harvester 2674, 1996 - 2002 International Harvester 3000, 2002 - 2007 International Harvester 3200, 1993 - 1999 International Harvester 3600, 1990 - 2004 International Harvester 3800, 2002 - 2008 International Harvester 4300, 2002 - 2007 International Harvester 4400, 1994 - 2003 International Harvester 4700, 1990 - 2003 International Harvester 4800, 1990 - 2003 International Harvester 4900, 2002 - 2002 International Harvester 4900, 1990 - 1995 International Harvester 7100, 2002 - 2007 International Harvester 7300, 2002 - 2003 International Harvester 7400, 2004 - 2006 International Harvester 7400, 2004 - 2004 International Harvester 7400, 2002 - 2002 International Harvester 7500, 2003 - 2004 International Harvester 7500, 1990 - 2003 International Harvester 8100, 1996 - 1997 International Harvester 8200, 2002 - 2002 International Harvester 8500, 1988 - 1988 International Harvester 2375 S, 1997 - 1999 International Harvester 3000FE, 2002 - 2002 International Harvester 3000IC, 2005 - 2005 International Harvester 3000RE, 1991 - 1994 International Harvester 3900FC, 2002 - 2008 International Harvester 4300LP, 2002 - 2007 International Harvester 4400LP, 1994 - 2002 International Harvester 4700LP, 2001 - 2002 International Harvester 5500i, 2001 - 2002 International Harvester 5600i, 1980 - 1980 International Harvester Cargostar, 1984 - 1986 International Harvester Cargostar, 2005 - 2008 International Harvester CXT, 1979 - 1989 International Harvester F1954, 1979 - 1989 International Harvester F2554, 1980 - 1989 International Harvester F2654, 1998 - 2002 International Harvester Genesis RE, 1986 - 1988 International Harvester S1754, 1984 - 1989 International Harvester S1853, 1984 - 1989 International Harvester S1854, 1981 - 1989 International Harvester S1954, 1981 - 1989 International Harvester S1955, 1984 - 1989 International Harvester S2155, 1988 - 1988 International Harvester S2375, 1981 - 1989 International Harvester S2554
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Vehicle: IC Corporation
Item LocatedUnited States
Quantity1
ConditionNew
item #1013DY29
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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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