Four Seasons 37884 Engine Coolant Temperature Sensor

Coolant Temperature Sensor for Jaguar and Land Rover

Four Seasons 37884 is a coolant temperature sensor built for direct-fit replacement in select Jaguar and Land Rover applications. It uses a female rectangular connector, 2 terminals, and an M12-1.25 fitting thread size for a straightforward match to the original sensor connection.

As part of the Four Seasons Coolant Temp Sensor line, this sensor is made to meet or exceed OEM requirements and support accurate engine temperature input for the vehicle’s control system. It is a practical choice for owners servicing Jaguar XJ6, XJS, XJ12, XJR, XJRS, Vanden Plas, and Land Rover Discovery, Range Rover, Defender 90, and Defender 110 models.

Key Features

• Four Seasons part number 37884
• Engine coolant temperature sensor for Belts and Cooling applications
• Female rectangular connector
• 2-terminal electrical connection
• M12-1.25 thread size
• Meets or exceeds OEM specifications
• Direct replacement style for select Jaguar and Land Rover vehicles

Detailed Description

Four Seasons 37884 is an engine coolant temperature sensor designed for vehicles that rely on precise coolant temperature feedback for engine management and gauge operation. The sensor’s rectangular female connector and 2-terminal layout support OE-style electrical connection, while the M12-1.25 thread size helps ensure proper fitment at the mounting point. This part cross-references A14234 for the same application.

Compatible With 1975-1979 Jaguar XJ12, N/A; 1979-1994 Jaguar XJ6, N/A; 1976-1989 Jaguar XJS, N/A; 1982-1997 Jaguar Vanden Plas, N/A; 1992-1996 Jaguar XJS, N/A; 1993 Jaguar XJRS, N/A; 1994 Jaguar XJ12, N/A; 1995-1997 Jaguar XJR, N/A; 1995-1996 Jaguar XJ12, N/A; 1987-1998 Land Rover Range Rover, N/A; 1993 Land Rover Defender 110, N/A; 1994-1995 Land Rover Defender 90, N/A; 1994-2001 Land Rover Discovery, N/A; 1997 Land Rover Defender 90, N/A.

What It Helps Address

• Incorrect coolant temperature readings
• Intermittent temperature gauge operation
• Engine control issues tied to faulty temperature input
• Hard starting or rough running related to sensor signal problems
• Check engine concerns caused by a failing coolant temp sensor

Installation Notes and Tips

Verify connector shape, terminal count, and thread size before installation. Confirm the sensor location on the engine and compare the original part number or connector style to Four Seasons 37884 before replacement. Clean the mounting area and inspect the harness connector for corrosion or damage so the new sensor seats and connects properly.

Quality Assurance

This Four Seasons coolant temp sensor is listed as meeting or exceeding OEM requirements for the specified applications. Four Seasons 37884 is supported by the brand’s coolant sensor product line and is intended for direct replacement service on select Jaguar and Land Rover models.