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Four Seasons 37881 Engine Coolant Temperature Sensor
Reliable Engine Coolant Temperature Sensor for Saturn Vehicles
The Four Seasons Coolant Temp Sensor 37881 is designed to provide accurate temperature readings for your Saturn L300, LS2, LW2, LW300, and Vue models. This engine coolant temperature sensor ensures your vehicle's cooling system operates efficiently by monitoring coolant temperature and relaying data to the engine control unit.
- Connector Gender: Female
- Connector Shape: Rectangular
- Fitting Thread Size: M12-1.25
- Number of Terminals: 2
- Meets or exceeds OEM specifications
- Compatible with Saturn L300, LS2, LW2, LW300, and Vue
About the Four Seasons Coolant Temp Sensor Product Line
The Four Seasons Coolant Temp Sensor line focuses on delivering precise and durable temperature sensors for automotive cooling systems. This product line is engineered to meet or exceed original equipment manufacturer standards, ensuring reliable performance and compatibility. The Coolant Temp Sensor 37881 is part of this line, offering a direct fit and dependable operation for select Saturn models.
Detailed Product Description
This engine coolant temperature sensor features a female rectangular connector with two terminals, designed for secure and accurate electrical connections. The M12-1.25 fitting thread size allows for proper installation in the cooling system. By providing real-time temperature data, the sensor helps the engine control unit regulate fuel injection and ignition timing, contributing to optimal engine performance and fuel efficiency.
Common Issues Addressed by This Sensor
- Engine overheating due to inaccurate temperature readings
- Poor fuel economy caused by incorrect coolant temperature data
- Check engine light triggered by faulty temperature sensor signals
- Erratic engine performance related to cooling system malfunctions
- Failed emissions tests linked to improper engine temperature regulation
Installation Notes and Tips
When installing the Four Seasons Coolant Temp Sensor 37881, ensure the engine is cool to avoid burns. Use the correct M12-1.25 thread size to avoid cross-threading. Verify the rectangular female connector fits securely with the vehicle’s wiring harness. It is recommended to inspect the sensor wiring and connector for damage before installation to ensure proper function.
Quality Assurance and Warranty
This Four Seasons Coolant Temp Sensor meets or exceeds OEM specifications, providing reliable and consistent performance. The part number 37881 is manufactured under strict quality control standards to ensure durability and accuracy. Please refer to Four Seasons’ warranty policy for coverage details.
| Brand | Four Seasons |
| Part Number | 37881 |
| Position | Coolant Temp Sensor |
| 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 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Saturn | L300 | N/A | Coolant Temp Sensor | ||
| 2004 | Saturn | L300 | 3.0L | V6 | N/A | Coolant Temp Sensor |
| 2003 | Saturn | L300 | N/A | Coolant Temp Sensor | ||
| 2003 | Saturn | LW300 | N/A | Coolant Temp Sensor | ||
| 2003 | Saturn | Vue | 3.0L | V6 | N/A | Coolant Temp Sensor |
| 2002 | Saturn | L300 | N/A | Coolant Temp Sensor | ||
| 2002 | Saturn | LW300 | N/A | Coolant Temp Sensor | ||
| 2002 | Saturn | Vue | 3.0L | V6 | N/A | Coolant Temp Sensor |
| 2001 | Saturn | L300 | N/A | Coolant Temp Sensor | ||
| 2001 | Saturn | LW300 | N/A | Coolant Temp Sensor | ||
| 2000 | Saturn | LS2 | N/A | Coolant Temp Sensor | ||
| 2000 | Saturn | LW2 | N/A | Coolant 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.