Four Seasons 37865 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor Overview

Four Seasons 37865 is an engine coolant temperature sensor for vehicles that rely on accurate coolant temperature input for engine management and gauge operation. This Coolant Temp Sensor uses a female, rectangular 2-terminal connector and a no-threads/clip-in style for direct replacement applications.

Compatible With Jaguar XJ, XF, F-Type, XJR, XFR, XFR-S, XK, and XKR applications, as well as select Ford, Lincoln, Mazda, and Mercury models. Four Seasons 37865 meets or exceeds OEM requirements for the listed applications.

Key Features

• Four Seasons Coolant Temp Sensor, part number 37865
• Engine coolant temperature sensor for OE-style replacement
• Female rectangular connector with 2 terminals
• No threads / clip-in fitting style
• Meets or exceeds OEM specifications for listed applications
• Fits a wide range of Jaguar, Ford, Lincoln, Mazda, and Mercury vehicles

Product Details

This coolant temp sensor monitors engine coolant temperature and sends that information to the vehicle control system. Accurate temperature input supports proper fuel delivery, cooling fan operation, and temperature gauge readings. Four Seasons 37865 is a direct-fit style sensor for applications such as 2010-2019 Jaguar XJ, 2010-2017 Jaguar XF, and 2006-2009 Ford Fusion, along with other listed fitments. This part cross-references Global Parts Distributors LLC 1712515 for the same application.

What This Sensor Helps Address

• Incorrect coolant temperature readings
• Temperature gauge fluctuation or inaccuracy
• Cooling fan control issues tied to sensor input
• Hard starting or drivability concerns related to temperature signal errors
• Check engine light conditions associated with coolant temperature sensor faults

Installation Notes and Tips

Verify connector shape, terminal count, and clip-in fitment before installation. This sensor is listed for specific locations and applications, including 2012 Ford Focus on the coolant crossover tube. Confirm the vehicle year, make, and model against the fitment list before ordering. For best results, inspect the connector and surrounding cooling system components for corrosion, damaged wiring, or coolant leaks during replacement.

Quality Assurance

Four Seasons 37865 is built to meet or exceed OEM requirements for the listed applications, supporting dependable replacement performance in compatible Jaguar, Ford, Lincoln, Mazda, and Mercury vehicles.