Four Seasons
Temperature Switch

Four Seasons 20008 A/C Condenser Fan Switch

Brand Four Seasons 20008
Connector Color Red / White
Connector Color White
Connector Gender Female
Connector Shape Oval
Description Switch-Temp /Engine Mount
Fan Open/Closed Closed
Fitting Gender Male
Fitting Thread Size 3/8" Pipe (43/64" x 18)
Meets / Exceeds OEM? YES
Mnt Sys Loc Engine Mounted
Style Temperature
Temperature Off 230
Temperature On 239
Terminal Quantity 2
Type Cooling Fan
Product line Temperature Switch
Fits Mitsubishi, Dodge, Eagle, and Nissan · 31 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable operation.

Temperature switch. Opens at 239° and closes at 230° for precise fan control.

Engine-mounted design. Oval female connector with 2 terminals for a secure connection.

Cross-references Baldwin 20008, 50841 and 207957 for the same application. See all 15.

$54.30Free shipping
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Temperature Switch for Engine-Mounted Cooling Control

The Four Seasons Temperature Switch, part number 20008, is an OE-style A/C condenser fan switch built for engine-mounted cooling fan control. It uses a 2-terminal female connector with an oval shape and a 3/8" pipe male thread for direct replacement applications.

Built to meet or exceed OEM requirements, this temperature switch is specified with fan closed operation and switch points at 230°F off and 239°F on. It is a practical replacement for Mitsubishi Montero, Montero Sport, 3000GT, Diamante, Eclipse, and Mirage cooling system service, as well as select Dodge Colt and Nissan Maxima applications.

Key Features

  • Four Seasons Temperature Switch line
  • Part number 20008
  • Engine-mounted cooling fan switch design
  • 2-terminal female connector with oval connector shape
  • 3/8" pipe male thread, 43/64" x 18 thread size
  • Fan open/closed setting: closed
  • Temperature off at 230°F and on at 239°F
  • Meets or exceeds OEM specifications

Detailed Product Overview

This Four Seasons 20008 temperature switch is used to control cooling fan operation based on coolant temperature. The switch mounts on the engine and provides a direct electrical signal for fan activation at the specified temperature range, helping maintain proper operating temperature in vehicles that rely on a temperature-actuated fan circuit. It is a fitment-based replacement for 1992-2000 Mitsubishi Montero, 1997-1999 Mitsubishi Montero Sport, 1991-1995 Mitsubishi 3000GT, 1992-1995 Mitsubishi Diamante, 1990-1994 Mitsubishi Eclipse, 1992 Mitsubishi Mirage, 1989-1990 Dodge Colt, and 1984-1989 Nissan Maxima applications listed for this part.

This part cross-references Baldwin 20008 for the same application.

What This Part Helps Address

  • Cooling fan not switching on at the correct temperature
  • Cooling fan staying on longer than expected
  • Engine temperature fluctuations caused by a faulty switch
  • Intermittent fan operation from worn electrical contacts
  • Replacement needs for engine-mounted coolant fan switch service

Installation Notes and Tips

Verify the connector style, terminal count, thread size, and temperature range before installation. This switch uses a female oval connector and a 3/8" pipe male fitting, so matching the original mounting location and thread specification is important for proper fitment. Confirm the vehicle application against the listed Mitsubishi, Dodge, or Nissan model before replacing the original temperature switch.

Quality Assurance

Four Seasons lists this temperature switch as meeting or exceeding OEM requirements, making it an OE-style replacement for temperature-controlled cooling fan systems.

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2000MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1999MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1999MitsubishiMontero Sport3.0LV6N/AEngine mounted coolant fan switch; Temperature Switch
1998MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1998MitsubishiMontero Sport3.0LV6N/AEngine mounted coolant fan switch; Temperature Switch
1997MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1997MitsubishiMontero Sport3.0LV6N/AEngine mounted coolant fan switch; Temperature Switch
1996MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1995Mitsubishi3000GTN/AHi-Side Mounted; Temperature Switch
1995MitsubishiDiamanteN/AHi-Side Mounted; Temperature Switch
1995MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1994Mitsubishi3000GTN/AHi-Side Mounted; Temperature Switch
1994MitsubishiDiamanteN/AHi-Side Mounted; Temperature Switch
1994MitsubishiEclipse2.0LL4N/AHi-Side Mounted; Temperature Switch
1994MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1993Mitsubishi3000GTN/AHi-Side Mounted; Temperature Switch
1993MitsubishiDiamanteN/AHi-Side Mounted; Temperature Switch
1993MitsubishiEclipse2.0LL4N/AHi-Side Mounted; Temperature Switch
1993MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1992Mitsubishi3000GTN/AHi-Side Mounted; Temperature Switch
1992MitsubishiDiamanteN/AHi-Side Mounted; Temperature Switch
1992MitsubishiEclipse2.0LL4N/AHi-Side Mounted; Temperature Switch
1992MitsubishiMirageN/AEngine mounted coolant fan switch; Temperature Switch
1992MitsubishiMonteroN/AEngine mounted coolant fan switch; Temperature Switch
1991Mitsubishi3000GTN/AHi-Side Mounted; Temperature Switch
1991MitsubishiEclipse2.0LL4N/AHi-Side Mounted; Temperature Switch
1990DodgeColt1.6LL4N/ATemperature Switch
1990MitsubishiEclipse2.0LL4N/AHi-Side Mounted; Temperature Switch
1989DodgeColt1.6LL4N/ATemperature Switch
1989NissanMaximaN/ALocated in Top of Radiator; w/ 90 Deg. C Switch; Temperature Switch
1984NissanMaximaAutomaticN/ATemperature Switch
Directly replaces or cross-references 15 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — 200085084120795721185615509911112000819188132A87957AC8840B568959FS265HS856MB439576MB568959TU409