Four Seasons
Temperature Switch

Four Seasons 20010 Engine Cooling Fan Switch

Brand Four Seasons 20010
Connector Color Black
Connector Gender Female
Connector Shape Oval
Connector Shape Rectangular
Description Switch-Temp /Engine Mount
Fan Open/Closed Open
Fitting Thread Size M22 x 1.50
Meets / Exceeds OEM? YES
Mnt Sys Loc Engine Mounted
Style Temperature
Temperature Off 179
Temperature On 197
Terminal Quantity 2
Type Cooling Fan
Product line Temperature Switch
Fits Dodge, Eagle, Jeep, and Renault · 14 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable cooling fan control.

Temperature switch. Engine-mounted design responds at 179° off and 197° on.

Cooling fan switch. Black female connector with two terminals for a secure connection.

Cross-references Baldwin 20010, 50384 and 207959 for the same application. See all 12.

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Engine Cooling Fan Switch for OE-Style Temperature Control

Four Seasons 20010 is an engine cooling fan switch for engine-mounted coolant fan control. It uses a black female connector with an oval or rectangular connector shape, 2 terminals, and an M22 x 1.50 thread size for direct replacement applications. This temperature switch opens at 179 and closes at 197 to help manage fan operation in the cooling system.

Key Features

  • Four Seasons Temperature Switch line
  • Engine-mounted cooling fan switch design
  • Black female connector
  • Connector shape: oval / rectangular
  • 2-terminal electrical connection
  • M22 x 1.50 fitting thread size
  • Fan open/closed function: open
  • Temperature off at 179 and temperature on at 197
  • Meets or exceeds OEM requirements

Product Details

The Four Seasons Temperature Switch line focuses on OE-style thermal control for engine cooling systems. Part number 20010 is built for engine-mounted coolant fan switch applications and is listed for 1990-1991 Dodge Monaco, plus 1987-1990 Jeep Cherokee, Jeep Comanche, and Jeep Wagoneer. This part cross-references Baldwin 20010 for the same application. Four Seasons 20010 is a direct-fit cooling fan switch choice for vehicles that rely on temperature-based fan engagement to regulate engine heat.

Common Problems This Part Can Address

  • Cooling fan not switching on at the correct temperature
  • Cooling fan staying on longer than expected
  • Intermittent fan operation from a worn temperature switch
  • Engine temperature control issues tied to fan control
  • Fault codes or drivability concerns related to fan switch failure

Installation Notes and Tips

  • Verify the connector style, terminal count, and M22 x 1.50 thread before installation.
  • Confirm the replacement switch matches the vehicle’s engine-mounted coolant fan switch location.
  • Check the cooling system for proper coolant level and related electrical faults before replacing the switch.
  • Use the listed fitment for 1990-1991 Dodge Monaco and 1987-1990 Jeep Cherokee, Jeep Comanche, and Jeep Wagoneer.

Quality Assurance

Four Seasons 20010 meets or exceeds OEM requirements and is part of the Four Seasons Temperature Switch product line for temperature-based cooling fan control.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1991DodgeMonaco——N/AEngine mounted coolant fan switch; Temperature Switch
1990DodgeMonaco——N/AEngine mounted coolant fan switch; Temperature Switch
1990JeepCherokee4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1990JeepComanche4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1990JeepWagoneer——N/AEngine mounted coolant fan switch; Temperature Switch
1989JeepCherokee4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1989JeepComanche4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1989JeepWagoneer——N/AEngine mounted coolant fan switch; Temperature Switch
1988JeepCherokee4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1988JeepComanche4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1988JeepWagoneer——N/AEngine mounted coolant fan switch; Temperature Switch
1987JeepCherokee4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1987JeepComanche4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
1987JeepWagoneer4.0LL6N/AEngine mounted coolant fan switch; Temperature Switch
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — 200105038420795930177415507571112001019144835191881343000184632001846A87959SW594