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Four Seasons 37901 Engine Coolant Temperature Sensor
| Brand | Four Seasons 37901 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Oval |
| Description | Coolant Temp Sensor |
| Fitting Thread Size | M16-1.50 |
| Meets / Exceeds OEM? | YES |
| Number of Terminals | 2 |
| Style | Coolant Temp Sensor |
| Type | Coolant Temp Sensor |
| Product line | Coolant Temp Sensor |
| Fits | Subaru |
OE direct replacement. Meets or exceeds OEM requirements for dependable cooling-system sensing.
Female oval connector. 2-terminal design with M16-1.50 thread for a secure fit.
Engine coolant temperature sensor. Monitors coolant temperature for accurate engine management.
Cross-references Four Seasons 37901, Global Parts Distributors LLC 1712619 and 22630AA030 for the same application. See all 6.
Engine Coolant Temperature Sensor for OE Replacement
Four Seasons 37901 is an engine coolant temperature sensor built for accurate coolant temperature reporting to the engine control system. This Coolant Temp Sensor uses a female oval connector, 2 terminals, and an M16-1.50 fitting thread size for a direct-fit style replacement where specified.
Compatible With select applications such as Subaru models that use this connector and thread configuration, Four Seasons 37901 supports reliable temperature signal input for drivability and cooling-system control. The Four Seasons Coolant Temp Sensor line focuses on OE-style replacement parts for common cooling and engine-management service needs.
Key Features
- Engine coolant temperature sensor for cooling-system and engine-management service
- Four Seasons part number 37901
- Female oval connector with 2 terminals
- M16-1.50 fitting thread size
- Meets or exceeds OEM requirements
- OE-style replacement for applications requiring this sensor design
Detailed Description
Four Seasons 37901 is a coolant temperature sensor used to report engine coolant temperature to the vehicle control system. Accurate temperature input helps the ECU manage fuel delivery, idle strategy, fan operation, and other temperature-dependent functions. This sensor is built with a female oval connector and 2-terminal layout, and it uses an M16-1.50 thread for applications that match those specifications. If you are searching for an engine coolant temperature sensor for Subaru cooling-system repair, Four Seasons 37901 is a direct reference part number to compare against the original sensor.
This part cross-references Global Parts Distributors LLC 1712619 for the same application.
What It Helps Address
- Incorrect coolant temperature readings on the dash or scan tool
- Hard starting or rough idle related to temperature signal errors
- Cooling fan control issues caused by a faulty sensor signal
- Check engine light conditions tied to coolant temperature sensor faults
- Fuel mixture and drivability problems linked to inaccurate engine temperature data
Installation Notes and Tips
Verify connector shape, terminal count, and thread size before installation. Confirm the replacement sensor matches the original M16-1.50 mounting thread and female oval connector style. Inspect the harness connector and sealing surfaces during service, and compare the old sensor to Four Seasons 37901 before final installation. For Subaru coolant temp sensor replacement work, confirm the application by VIN or original part number when possible.
Quality Assurance
Four Seasons states this sensor meets or exceeds OEM requirements. Use the original part number, connector style, and thread specification to confirm fitment before ordering.
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