Four Seasons
Temperature Switch

Four Seasons 37302 Engine Cooling Fan Switch

Brand Four Seasons 37302
Connector Color White
Connector Gender Female
Connector Shape Oval
Description Switch-Temp /Engine Mount
Fan Open/Closed Open
Fitting Gender Male
Fitting Thread Size M15 x 1.50
Meets / Exceeds OEM? YES
Mnt Sys Loc Engine Mounted
Style Temperature
Temperature Off 194
Temperature On 203
Terminal Quantity 2
Type Cooling Fan
Product line Temperature Switch
Fits Subaru

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

Temperature switch. Opens at 194° and closes at 203° for precise fan operation.

Engine-mounted design. Built for direct temperature sensing at the source.

Cross-references Four Seasons 37302, 83052GA051 and 203702 for the same application. See all 10.

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Engine Cooling Fan Switch Overview

Four Seasons 37302 is a temperature switch for engine-mounted cooling fan control. It uses a white oval 2-terminal female connector, a male M15 x 1.50 thread fitting, and an open fan operating style to switch the cooling fan at the specified temperature range.

Built for direct replacement use on applications that call for this temperature switch format, Four Seasons 37302 supports accurate fan engagement in vehicles such as Hyundai Sonata and Kia Optima applications that use the same OE-style configuration.

Key Features

  • Engine-mounted temperature switch for cooling fan operation
  • Open fan switch design
  • White oval connector with 2 terminals
  • Female connector gender with male threaded fitting
  • M15 x 1.50 thread size
  • Fan switch temperature range: off at 194 and on at 203
  • Meets or exceeds OEM requirements

Product Details

Four Seasons Temperature Switch 37302 is a cooling fan switch designed for engine-mounted locations where the fan circuit is controlled by coolant temperature. The switch opens and closes at the listed temperature points to help regulate fan operation based on engine heat. This part number 37302 is a direct-fit style replacement for applications that use the same connector, thread size, and temperature calibration.

This part cross-references Hyundai/Kia OE-style applications (e.g., 83052GA051, 203702) for the same application. Four Seasons 37302 is also referenced by interchange numbers including MT1370 and SW554.

What It Helps Address

  • Cooling fan not switching on at the correct temperature
  • Cooling fan running at the wrong time
  • Engine temperature control concerns tied to fan activation
  • Faulty temperature switch signal at the engine mount
  • Replacement needs for worn or failed fan switch contacts

Installation Notes and Tips

Verify the connector shape, terminal count, thread size, and temperature ratings before installation. This engine cooling fan switch uses a male M15 x 1.50 fitting and a 2-terminal white oval connector, so matching the OE connector and mounting style is important for proper fitment. Confirm the vehicle’s original fan switch specification before replacing the part.

Compatible With applications that use Four Seasons 37302, including select Hyundai Sonata and Kia Optima fitments where this engine-mounted temperature switch is specified.

Quality Assurance

Four Seasons 37302 is listed as meeting or exceeding OEM requirements, making it a technical replacement option for temperature-controlled cooling fan systems. The Four Seasons Temperature Switch line is built for OE-style fit and function in engine cooling applications.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 3730283052GA051203702155113917126901113730219189737A77302MT1370SW554