Four Seasons
Coolant Temp Sensor

Four Seasons 37877 Engine Coolant Temperature Sensor

Brand Four Seasons 37877
Connector Gender Female
Connector Shape Square
Description Coolant Temp Sensor
Meets / Exceeds OEM? YES
Number of Terminals 2
Style Coolant Temp Sensor
Type Coolant Temp Sensor
Product line Coolant Temp Sensor
Fits Mini · 7 vehicles

OE direct replacement. Meets or exceeds OEM requirements for dependable cooling-system sensing.

Female square connector. Two terminals provide a straightforward electrical connection.

Coolant temperature sensor. Monitors coolant temperature for accurate engine management.

Cross-references Four Seasons 37877, Genuine 13621486698 and A14227 for the same application. See all 4.

$32.88Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Four Seasons 37877 Coolant Temp Sensor

Four Seasons 37877 is an engine coolant temperature sensor for select Mini Cooper applications. It uses a female, square 2-terminal connector and meets or exceeds OEM requirements for direct-fit replacement service.

Key Features

  • Engine coolant temperature sensor for cooling system and engine management input
  • Female connector with square shape for the specified OE-style connection
  • 2-terminal design
  • Meets or exceeds OEM specifications
  • Four Seasons coolant temp sensor line for replacement service

Product Details

This Four Seasons coolant temp sensor, part number 37877, is built for accurate coolant temperature signal transfer in the engine cooling system. It is listed for 2002-2006 Mini Cooper and 2007-2008 Mini Cooper applications, including 2007-2008 Mini Cooper models where the sensor is located in the cylinder head. If you are searching for a Mini Cooper coolant temp sensor, Four Seasons 37877 provides the OE-style connector layout and terminal count needed for the specified fitment.

This part cross-references Genuine 13621486698 for the same application.

Common Issues It May Address

  • Incorrect coolant temperature readings
  • Hard starting or rough idle related to temperature input
  • Cooling fan operation triggered by faulty sensor data
  • Check engine light conditions tied to coolant temperature circuit faults
  • Driveability problems caused by inconsistent engine temperature signals

Installation Notes

Verify connector shape, terminal count, and sensor location before installation. For 2007-2008 Mini Cooper applications, confirm the cylinder head mounting location matches the vehicle’s original sensor. Always compare the old sensor and connector to the replacement part number 37877 before service.

Quality Assurance

Four Seasons lists this coolant temp sensor as meeting or exceeding OEM requirements for the specified applications. That makes 37877 a direct replacement option for Mini Cooper cooling system repair and engine temperature signal service.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2008MiniCooperConvertible1.6LL4N/ALocated in Cylinder Head; Coolant Temp Sensor
2007MiniCooperN/ALocated in Cylinder Head; Coolant Temp Sensor
2006MiniCooperN/ACoolant Temp Sensor
2005MiniCooperN/ACoolant Temp Sensor
2004MiniCooperN/ACoolant Temp Sensor
2003MiniCooperN/ACoolant Temp Sensor
2002MiniCooperN/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 — 37877Genuine — 13621486698A14227SU6564