Four Seasons 37880 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for GM Applications

Four Seasons 37880 is an engine coolant temperature sensor for select Chevrolet and GMC trucks, vans, and SUVs. It uses a female oval connector, 3 terminals, and a 1/4-18 fitting thread size to match the listed applications.

This Coolant Temp Sensor line from Four Seasons focuses on direct-fit replacement coverage for cooling-system temperature signal needs. Four Seasons 37880 meets or exceeds OEM requirements and is built for vehicles that rely on accurate coolant temperature input for engine management.

Key Features

• Engine coolant temperature sensor for cooling-system temperature monitoring
• Female oval connector with 3 terminals
• 1/4-18 fitting thread size
• Meets or exceeds OEM requirements
• Four Seasons Coolant Temp Sensor line

Detailed Product Information

Four Seasons 37880 is an OE-style coolant temperature sensor used in select Chevrolet Silverado 2500 HD Classic, Chevrolet Silverado 3500 Classic, Chevrolet Express vans, GMC Savana vans, GMC Sierra HD models, and related GM platforms. It is specified as a coolant temp sensor with a female oval connector and 3-terminal design, making it a direct match for the listed engine cooling and temperature-signal applications. This part number, 37880, is also referenced across aftermarket catalogs for the same application.

This part cross-references Global Parts Distributors LLC 1712570 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Temperature-related drivability concerns
• Cooling fan control issues tied to sensor input
• Hard starting or rough running caused by faulty coolant temperature data
• Check engine light conditions related to coolant temperature sensor faults

Installation Notes and Fitment

Compatible With 2007 Chevrolet Silverado 2500 HD Classic, N/A; 2007 Chevrolet Silverado 3500 Classic, N/A; 2001-2002 Chevrolet Express 1500, N/A; 2001-2002 Chevrolet Express 2500, N/A; 2001-2002 Chevrolet Express 3500, N/A; 2001-2002 Chevrolet G30, N/A; 2001-2002 Chevrolet Silverado 2500 HD, N/A; 2001-2002 Chevrolet Silverado 3500, N/A; 2001-2002 Chevrolet Suburban 2500, N/A; 2001-2002 GMC Savana 1500, N/A; 2001-2002 GMC Savana 2500, N/A; 2001-2002 GMC Savana 3500, N/A; 2001-2002 GMC Sierra 2500 HD, N/A; 2001-2002 GMC Sierra 3500, N/A; 2001-2002 GMC Yukon XL 2500, N/A; and 1999 GMC P3500, N/A.

Verify connector shape, terminal count, and thread size before installation. Confirm the sensor location on the engine cooling circuit and compare the original part number, 37880, to the removed component before replacement.

Quality Assurance

Four Seasons parts are cataloged to meet or exceed OEM requirements for the listed application coverage. This coolant temp sensor is built for direct replacement use on the specified Chevrolet and GMC vehicles, including Silverado, Express, Savana, and Sierra platforms.