Four Seasons
Coolant Temp Sensor

Four Seasons 37864 Engine Coolant Temperature Sensor

Brand Four Seasons 37864
Connector Gender Female
Connector Shape Rectangular
Description Coolant Temp Sensor
Fitting Thread Size M12-1.25
Meets / Exceeds OEM? YES
Number of Terminals 2
Style Coolant Temp Sensor
Type Coolant Temp Sensor
Product line Coolant Temp Sensor
Fits Ford · 5 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable sensor performance.

Rectangular connector. Female, 2-terminal design for a secure electrical connection.

M12-1.25 thread. Sized for a precise coolant temperature sensor fit.

Cross-references Four Seasons 37864, A14214 and SU2193 for the same application. See all 4.

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Coolant Temperature Sensor for Ford Mustang

Four Seasons 37864 is a coolant temperature sensor built for accurate engine temperature reporting in 2001-2004 Ford Mustang applications. It uses a female rectangular connector, 2 terminals, and an M12-1.25 fitting thread size for a direct OE-style replacement.

For Mustang owners searching for a 2001-2004 Ford Mustang coolant temp sensor or Four Seasons 37864 replacement, this part meets or exceeds OEM requirements and matches the listed connector and thread specifications.

Key Features

  • Engine coolant temperature sensor for Ford Mustang
  • Four Seasons coolant temp sensor line
  • Female rectangular connector
  • 2-terminal design
  • M12-1.25 fitting thread size
  • Meets or exceeds OEM specifications

Product Details

The Four Seasons Coolant Temp Sensor line focuses on temperature-sensing components used by the engine management system to monitor coolant conditions. Part number 37864 is specified for 2001-2004 Ford Mustang models and is listed with a female rectangular connector, two terminals, and M12-1.25 threads. This part cross-references A14214 for the same application.

Use Four Seasons 37864 when replacing a faulty coolant temperature sensor on a Ford Mustang and you need a sensor that matches the original connector style and thread size. It is also referenced under SU2193 and XL3Z6G004AA.

Common Problems This Part Can Address

  • Incorrect coolant temperature readings
  • Check engine light related to coolant temperature sensor faults
  • Hard starting or rough running tied to temperature input errors
  • Cooling fan control issues caused by inaccurate sensor data
  • Fuel mixture problems from incorrect engine temperature signals

Installation Notes and Tips

Verify the connector shape, terminal count, and M12-1.25 thread size before installation. Confirm the sensor location on the engine cooling system and inspect the harness connector for corrosion or damaged terminals before connecting the new unit. For 2001-2004 Ford Mustang coolant temp sensor replacement, compare the original part number and connector style to ensure the correct match.

Quality Assurance

Four Seasons lists this coolant temp sensor as meeting or exceeding OEM requirements, supporting OE-style fit and function for the specified Ford Mustang applications.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004FordMustang3.8LV6N/ACoolant Temp Sensor
2004FordMustang3.9LV6N/ACoolant Temp Sensor
2003FordMustang3.8LV6N/ACoolant Temp Sensor
2002FordMustang3.8LV6N/ACoolant Temp Sensor
2001FordMustang3.8LV6N/ACoolant Temp Sensor
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 37864A14214SU2193XL3Z6G004AA