Standard Ignition TX373 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for GM Trucks and SUVs

Standard Ignition TX373 is an engine coolant temperature sensor built for direct replacement in select Cadillac, Chevrolet, and GMC applications. It uses a push-in attachment method and a 3-blade terminal layout with a female oval plug connector for a secure electrical connection at the cylinder head.

Key Features

• Engine coolant temperature sensor for cylinder head mounting
• Push-in attachment method for OE-style installation
• Female oval plug connector with 1 connector and 3 male blade terminals
• Black and bronze finish with metal and plastic construction
• Direct-fit replacement for select Cadillac Escalade, Chevrolet Silverado 1500, and GMC Sierra 1500 applications
• Standard Ignition TX373 cross-references 55488248, CTSA368, TS7350, and WT7344 for the same application

Detailed Description

Standard Ignition TX373 is an engine coolant temperature sensor used to report coolant temperature data to the vehicle control system. Accurate temperature input is important for fuel delivery, cooling fan operation, and engine management. This sensor is listed for 2020-2023 Chevrolet Silverado 1500, 2020-2023 GMC Sierra 1500, 2021-2023 Cadillac Escalade, 2021-2023 Cadillac Escalade ESV, 2021-2023 GMC Yukon, 2021-2023 GMC Yukon XL, 2022 Chevrolet Silverado 1500 LTD, and 2022 GMC Sierra 1500 Limited, with cylinder head mounting noted in the fitment data.

For buyers searching for a coolant temperature sensor for 2020-2023 Chevrolet Silverado 1500 or a replacement engine coolant temperature sensor for 2021-2023 GMC Yukon, TX373 provides the specified connector style and terminal configuration needed for the listed vehicles. Standard Ignition TX373 also serves as a reference for drivers looking up a Cadillac Escalade coolant temperature sensor or GMC Sierra 1500 temperature sensor by part number.

What It Helps Address

• Incorrect coolant temperature readings
• Illuminated engine or temperature-related warning lights
• Rough cold-start or warm-up behavior tied to temperature input
• Cooling fan operation concerns caused by faulty sensor data
• Driveability issues related to inaccurate engine management signals

Installation Notes and Tips

Verify the connector shape, terminal count, and push-in mounting style before installation. This sensor is listed for cylinder head location, so confirm the original sensor position and connector match the vehicle’s OE configuration. Always compare the part number and fitment details against the existing sensor on the vehicle before replacement.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX373 is built to match the listed application details, including connector type, terminal layout, and mounting style, for a direct replacement approach on the specified GM vehicles.