HomeBelts and Cooling > SensorsFour Seasons 37864 Engine Coolant Temperature Sensor
Part #: 37864

Four Seasons 37864 Engine Coolant Temperature Sensor

Coolant Temp Sensor
⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Coolant Temp Sensor
🚗Fitment: Ford, Mustang
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Reliable Engine Coolant Temperature Sensor for Ford Mustang

The Four Seasons Coolant Temp Sensor 37864 is designed to provide accurate temperature readings for your Ford Mustang's engine cooling system. This sensor helps maintain optimal engine performance by monitoring coolant temperature and ensuring proper engine management.

  • Connector Gender: Female
  • Connector Shape: Rectangular
  • Fitting Thread Size: M12-1.25
  • Number of Terminals: 2
  • Meets or exceeds OEM specifications
  • Compatible with Ford Mustang models

About the Four Seasons Coolant Temp Sensor Product Line

The Four Seasons Coolant Temp Sensor product line focuses on delivering precise and durable temperature sensors for engine cooling systems. This line is engineered to meet or exceed original equipment manufacturer standards, ensuring reliable fitment and performance. The Coolant Temp Sensor 37864 is part of this line, offering a direct replacement solution for Ford Mustang vehicles requiring accurate coolant temperature monitoring.

Detailed Product Description

The Four Seasons Coolant Temp Sensor 37864 features a female rectangular connector with two terminals, designed for secure and reliable electrical connections. The sensor’s M12-1.25 fitting thread size ensures proper installation and compatibility with the Ford Mustang cooling system. By accurately measuring the engine coolant temperature, this sensor provides critical data to the vehicle’s engine control unit (ECU), helping regulate fuel injection, ignition timing, and cooling fan operation.

Common Issues Addressed by This Sensor

  • Erratic or inaccurate coolant temperature readings
  • Engine overheating due to faulty temperature monitoring
  • Poor engine performance related to incorrect temperature data
  • Check engine light triggered by coolant temperature sensor faults
  • Cooling fan not activating at the correct temperature

Installation Notes and Tips

  • Ensure the engine is cool before removing the old sensor to avoid burns
  • Use the correct M12-1.25 thread size to avoid cross-threading
  • Verify the connector is female and rectangular to match the vehicle wiring harness
  • Check for proper torque specifications to prevent leaks or damage
  • Inspect wiring and terminals for corrosion or damage before installation

Quality Assurance and Warranty

The Four Seasons Coolant Temp Sensor 37864 meets or exceeds OEM standards, providing reliable performance and durability. This sensor undergoes rigorous quality control to ensure compatibility and function with Ford Mustang models. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandFour Seasons
Part Number37864
PositionCoolant Temp Sensor
Connector GenderFemale
Connector ShapeRectangular
DescriptionCoolant Temp Sensor
Fitting Thread SizeM12-1.25
Meets / Exceeds OEM?YES
Number of Terminals2
StyleCoolant Temp Sensor
TypeCoolant Temp Sensor

This part fits 5 vehicles. Search below:

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

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

37864A14214SU2193XL3Z6G004AA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.