Four Seasons 37901 Engine Coolant Temperature Sensor

Reliable Engine Coolant Temperature Sensor for Accurate Readings

The Four Seasons Coolant Temp Sensor 37901 is designed to provide precise temperature monitoring for your vehicle's engine cooling system. Featuring a female oval connector and a standard M16-1.50 fitting thread size, this sensor ensures compatibility and reliable performance in various automotive applications.

• Brand: Four Seasons
• Brand Line: Coolant Temp Sensor
• Part Number: 37901
• Connector Gender: Female
• Connector Shape: Oval
• Fitting Thread Size: M16-1.50
• Number of Terminals: 2
• Meets or Exceeds OEM Specifications

Four Seasons Coolant Temp Sensor Product Line Overview

The Coolant Temp Sensor line by Four Seasons focuses on delivering dependable engine coolant temperature sensors that meet or exceed original equipment manufacturer standards. This product line is engineered to maintain accurate temperature readings, which are critical for engine management systems in vehicles such as Ford F-150, Chevrolet Silverado, and Toyota Tacoma models. The 37901 sensor is part of this line, offering consistent fitment and performance for compatible vehicles.

Detailed Product Description and Attributes

The Four Seasons 37901 engine coolant temperature sensor features a female oval connector with two terminals, designed for secure electrical connections. Its M16-1.50 fitting thread size allows for straightforward installation in compatible engine blocks or cylinder heads. This sensor monitors the temperature of the engine coolant and sends data to the vehicle’s engine control unit (ECU), helping regulate fuel injection and ignition timing. The sensor’s design meets or exceeds OEM specifications, ensuring reliable operation and durability under typical engine conditions.

Common Applications and Issues Addressed

• Helps prevent engine overheating by providing accurate temperature data
• Resolves erratic temperature gauge readings
• Improves engine performance by enabling proper fuel mixture adjustments
• Eliminates check engine light triggers related to coolant temperature sensor faults
• Supports efficient operation of cooling fans and temperature-dependent systems

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid burns or damage. Use the correct M16-1.50 thread size to avoid cross-threading. Verify the female oval connector matches the vehicle’s wiring harness for a secure fit. It is recommended to inspect the sensor wiring and connectors for corrosion or damage during replacement. Torque the sensor to manufacturer specifications to prevent leaks or sensor failure.

Quality Assurance and Warranty Information

The Four Seasons Coolant Temp Sensor 37901 is manufactured to meet or exceed OEM standards, providing reliable performance and durability. This sensor undergoes rigorous quality control testing to ensure consistent operation. While specific warranty details may vary, Four Seasons typically offers a limited warranty covering defects in materials and workmanship for a defined period. Consult product documentation or the vehicle service manual for detailed warranty and installation guidelines.