Four Seasons 37888 Engine Coolant Temperature Sensor

Coolant Temp Sensor for Subaru Applications

Four Seasons 37888 is an engine coolant temperature sensor built for direct-fit service on select Subaru vehicles. It uses a female oval connector, 2 terminals, and an M16-1.50 fitting thread size for a precise replacement in the cooling system.

Key Features

• Engine coolant temperature sensor for cooling system monitoring
• Female oval connector with 2 terminals
• M16-1.50 fitting thread size
• Meets or exceeds OEM requirements
• Four Seasons 37888 replacement part

Product Details

The Four Seasons Coolant Temp Sensor line focuses on accurate temperature signal input for engine management and cooling system operation. Part number 37888 is a direct replacement style sensor for Subaru Forester, Impreza, Legacy, Outback, Tribeca, and B9 Tribeca applications listed below. This sensor supports proper coolant temperature reporting to the vehicle’s control system, helping maintain correct engine operation in Subaru cooling system service.

This part cross-references Global Parts Distributors LLC 1712563 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Illuminated engine warning lights related to temperature sensor faults
• Hard starting or rough running tied to inaccurate coolant temperature input
• Cooling fan control issues caused by faulty sensor data
• Driveability concerns from a failing engine coolant temperature sensor

Fitment

• Fits 2006-2012 Subaru Forester, N/A
• Fits 2006-2012 Subaru Impreza, N/A
• Fits 2005-2012 Subaru Legacy, N/A
• Fits 2004-2012 Subaru Outback, N/A
• Fits 2008-2010 Subaru Tribeca, N/A
• Fits 2006-2007 Subaru B9 Tribeca, N/A

Installation Notes and Quality

Verify connector shape, terminal count, and thread size before installation to confirm the sensor matches the original unit. For best results, compare the removed part to Four Seasons 37888 and confirm the Subaru model year listed in the fitment data. Four Seasons 37888 meets or exceeds OEM requirements for this application.