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Four Seasons 37889 Engine Coolant Temperature Sensor
| Brand | Four Seasons 37889 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Oval |
| Description | Coolant Temp Sensor |
| Fitting Thread Size | M12 x 1.50 |
| Meets / Exceeds OEM? | YES |
| Number of Terminals | 2 |
| Style | Coolant Temp Sensor |
| Type | Coolant Temp Sensor |
| Product line | Coolant Temp Sensor |
| Fits | Jeep and American Motors · 17 vehicles |
OE direct replacement. Meets or exceeds OEM requirements for dependable cooling-system sensing.
Female oval connector. Two terminals and an M12 x 1.50 thread for a precise connection.
Coolant temperature sensor. Monitors coolant temperature for accurate engine management.
Cross-references Four Seasons 37889, Global Parts Distributors LLC 1712598 and 3242318 for the same application. See all 7.
Coolant Temperature Sensor for Jeep Applications
Four Seasons 37889 is a coolant temp sensor built for direct engine temperature monitoring in select Jeep applications. It uses a female oval connector, 2 terminals, and an M12 x 1.50 fitting thread size for a straightforward OE-style replacement.
Compatible With Jeep Wrangler, Jeep J10, Jeep CJ7, Jeep Grand Wagoneer, and Jeep CJ5 applications listed below. Four Seasons 37889 meets or exceeds OEM requirements for fit and function.
Key Features
- Engine coolant temperature sensor for cooling system signal input
- Female oval connector with 2 terminals
- M12 x 1.50 fitting thread size
- OE-style replacement that meets or exceeds OEM requirements
- Four Seasons coolant temp sensor line for direct-fit service parts
Detailed Product Information
This Four Seasons coolant temp sensor is used to report engine coolant temperature to the vehicle’s control system or gauge circuit, depending on application. The part number 37889 is listed for 1983-1987 Jeep J10, 1983-1986 Jeep CJ7, 1984-1985 Jeep Grand Wagoneer, 1983 Jeep CJ5, and 1987-1990 Jeep Wrangler. If you are searching for a Jeep Wrangler coolant temperature sensor or a Jeep CJ7 engine coolant temperature sensor, this part number is a direct reference point for those applications.
This part cross-references Global Parts Distributors LLC 1712598 for the same application.
What This Sensor Helps Address
- Incorrect coolant temperature signal to the gauge or engine management system
- Temperature-related drivability concerns tied to sensor input
- Hard starting or poor warm-up behavior caused by inaccurate coolant data
- Cooling system warning or monitoring issues from a failing sensor
- Replacement needs for aging Jeep cooling system sensors
Installation Notes and Tips
Verify connector shape, terminal count, and thread size before installation. Confirm the sensor location on the engine and compare the removed part to the new Four Seasons 37889 unit to ensure the same electrical and thread configuration. Clean the mounting area and inspect the connector for corrosion or damaged terminals before reconnecting.
Fits 1987-1990 Jeep Wrangler, N/A. Fits 1983-1987 Jeep J10, N/A. Fits 1983-1986 Jeep CJ7, N/A. Fits 1984-1985 Jeep Grand Wagoneer, N/A. Fits 1983 Jeep CJ5, N/A.
Quality Assurance
Four Seasons lists this coolant temp sensor as meeting or exceeding OEM requirements. The Four Seasons 37889 part number is also used as a reference for interchange verification during parts lookup and catalog matching.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1990 | Jeep | Wrangler | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1989 | Jeep | Wrangler | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1988 | Jeep | Wrangler | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1987 | Jeep | J10 | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1987 | Jeep | Wrangler | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1986 | Jeep | CJ7 | — | — | N/A | Coolant Temp Sensor |
| 1986 | Jeep | J10 | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1985 | Jeep | CJ7 | — | — | N/A | Coolant Temp Sensor |
| 1985 | Jeep | Grand Wagoneer | — | — | N/A | Coolant Temp Sensor |
| 1985 | Jeep | J10 | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1984 | Jeep | CJ7 | — | — | N/A | Coolant Temp Sensor |
| 1984 | Jeep | Grand Wagoneer | — | — | N/A | Coolant Temp Sensor |
| 1984 | Jeep | J10 | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1983 | Jeep | CJ5 | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1983 | Jeep | CJ7 | 4.2L | L6 | N/A | Coolant Temp Sensor |
| 1983 | Jeep | CJ7 | 4.6L | L6 | N/A | Coolant Temp Sensor |
| 1983 | Jeep | J10 | 4.2L | L6 | N/A | Coolant Temp Sensor |
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