Standard Ignition TX237 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Jeep, Ram, Fiat, and Chrysler

Standard Ignition TX237 is an engine coolant temperature sensor built for direct engine monitoring on select Jeep, Ram, Fiat, Dodge, and Chrysler applications. It uses a bolt-on attachment, a female rectangular plug-in connector, and a 2-blade male terminal layout for a straightforward replacement on the engine block, cylinder head, or thermostat housing depending on vehicle application.

Key Features

• Engine coolant temperature sensor for accurate coolant temperature signal input
• Bolt-on mounting with NPT thread type
• Female rectangular connector with plug-in connection
• 1 connector, 2 male blade terminals
• Brass, rubber, and plastic construction with black and bronze finish
• Direct-fit replacement for select Jeep Cherokee, Jeep Compass, Jeep Renegade, Ram ProMaster City, Fiat 500, Fiat 500X, Fiat 500L, Chrysler 200, and Dodge Dart applications

Detailed Description

Standard Ignition TX237 is an engine coolant temperature sensor used to report coolant temperature to the vehicle’s engine management system. Accurate temperature input supports proper fuel control, idle strategy, and cooling system operation. This part number TX237 is listed for multiple OE-style applications, including 2022-2023 Jeep Cherokee engine block, 2022 Jeep Compass engine block, 2021-2022 Ram ProMaster City engine block, 2015-2021 Jeep Cherokee on engine, 2017-2021 Jeep Compass on engine, 2021 Jeep Renegade engine block, 2015-2020 Jeep Renegade on engine, 2015-2020 Ram ProMaster City on engine, 2019 Fiat 500 on thermostat housing, 2016-2018 Fiat 500X on engine, 2017 Chrysler 200 engine block, 2012-2017 Fiat 500 located on cylinder head, 2017 Fiat 500L, 2015-2016 Chrysler 200 on engine, 2014-2016 Dodge Dart located on cylinder head, 2014-2016 Fiat 500L located on cylinder head, and 2013 Dodge Dart. This part cross-references Dorman HELP 74015 and Four Seasons 37913 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Illuminated engine warning light related to temperature sensor faults
• Rough idle or drivability concerns tied to inaccurate engine temperature input
• Cooling fan control issues caused by faulty temperature signal data
• Hard starting or fuel mixture problems when the engine temperature signal is out of range

Installation Notes and Tips

Verify the connector style, thread type, and mounting location before installation. TX237 is used in different positions across the listed vehicles, including engine block, cylinder head, and thermostat housing locations. Confirm the original sensor location and thread engagement match the vehicle application before replacement. Clean the mounting surface and inspect the connector for corrosion or damaged terminals before reconnecting the harness.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX237 is built with brass, rubber, and plastic materials and uses a 2-terminal blade design for the specified applications.