Facet 7.3387 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for GM Applications

Facet 7.3387 is an engine coolant temperature sensor for select Buick, Cadillac, Chevrolet, and GMC vehicles. It provides the temperature signal used by the engine control system to monitor coolant conditions and support proper engine management.

• Engine coolant temperature sensor with included O-ring where noted in fitment
• Direct-fit replacement for select GM cooling system applications
• Fits 2014-2015 Buick Regal, N/A
• Fits 2013-2015 Cadillac ATS, N/A
• Fits 2014-2015 Cadillac CTS, N/A
• Fits 2014-2015 Cadillac ELR, N/A; tin terminal pins
• Fits 2014-2015 Cadillac XTS, N/A
• Fits 2015 Chevrolet Colorado, N/A; location is water outlet and includes O-ring
• Fits 2014-2015 Chevrolet Impala, N/A
• Fits 2013-2015 Chevrolet Malibu, N/A
• Fits 2011-2015 Chevrolet Volt, N/A; location in radiator
• Fits 2015 GMC Canyon, N/A; location is water outlet and includes O-ring

Detailed Fitment and Function

This Facet engine coolant temperature sensor, part number 7.3387, is used to report coolant temperature to the vehicle’s engine management system. Accurate temperature input is important for fuel control, cooling fan operation, and temperature-related diagnostics on applications such as the Chevrolet Malibu, Cadillac ATS, and Buick Regal.

Facet 7.3387 is listed for select GM models across the 2011-2015 range, including Chevrolet Volt, Impala, Colorado, and GMC Canyon. Fitment notes vary by vehicle, so confirm the sensor location and terminal style before ordering.

What It Helps Address

• Incorrect coolant temperature readings
• Temperature-related check engine light conditions
• Cooling fan control concerns tied to sensor input
• Hard starting or drivability issues related to coolant temperature data
• Faulty sensor signal from a worn or damaged coolant temperature sensor

Installation Notes

Verify the sensor location on your vehicle before installation. Some applications list an included O-ring, while the Cadillac ELR uses tin terminal pins and the Chevrolet Volt is located in the radiator. Inspect the connector, sealing surface, and coolant condition during service. Part number 7.3387 should be matched to the exact vehicle and notes shown in the fitment data.

Quality Assurance

Facet is a recognized aftermarket brand for engine management and sensor applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.