Standard Ignition TX191 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Hyundai and Kia

The Standard Ignition TX191 is an engine coolant temperature sensor built with a brass body, a square plug-in connector, and a bolt-on attachment method. It is used in cooling-system temperature monitoring on a wide range of Hyundai and Kia applications, including Hyundai Sonata, Tucson, Santa Fe, and Kia Sportage, Sorento, and Optima models.

Key Features

• Engine coolant temperature sensor for cooling system temperature input
• Brass sensor construction for durable coolant exposure
• Bolt-on attachment method for secure mounting
• Square female connector with plug-in design
• 4 blade male terminals for the specified electrical connection
• Standard Ignition TX191 replacement part number

Detailed Description

Standard Ignition TX191 is an engine coolant temperature sensor used to report coolant temperature to the vehicle control system. Accurate temperature input is important for fuel delivery, idle control, cooling fan operation, and temperature gauge or warning strategy, depending on the vehicle platform. This TX191 sensor is listed for many Hyundai and Kia models, including Fits 2011-2019 Hyundai Sonata, Fits 2011-2022 Kia Sportage, and Fits 2009-2020 Kia Optima, along with other applications such as Hyundai Palisade, Telluride, Veloster N, and Tucson. This part cross-references Beck/Arnley 158-1695 and Delphi TS10528 for the same application.

What It Helps Address

• Incorrect coolant temperature readings
• Hard starting or rough cold operation related to temperature input
• Cooling fan behavior triggered by faulty sensor data
• Illuminated engine warning light tied to coolant temperature circuit faults
• Driveability issues caused by inaccurate engine temperature reporting

Installation Notes and Fitment

Fits 2022-2026 Hyundai Elantra N, N/A; Fits 2020-2025 Hyundai Palisade, N/A; Fits 2020-2025 Kia Telluride, N/A; Fits 2022-2023 Hyundai Kona N, N/A; Fits 2023 Hyundai Sonata, N/A; Fits 2011-2019 Hyundai Sonata, N/A; Fits 2022 Hyundai Sonata, N/A, Located In Water Pump Crossover Pipe; Fits 2019-2022 Hyundai Veloster N, N/A; Fits 2011-2022 Kia Sportage, N/A; Fits 2020-2021 Hyundai Sonata, N/A, Located On Water Pump Crossover Pipe; Fits 2021 Hyundai Tucson, N/A, Located On Water Outlet; Fits 2015-2020 Hyundai Santa Fe, N/A; Fits 2018-2020 Hyundai Tucson, N/A; Fits 2010-2015 Hyundai Tucson, N/A; Fits 2020 Kia Cadenza, N/A; Fits 2016 Kia Cadenza, N/A; Fits 2009-2020 Kia Optima, N/A; Fits 2014-2020 Kia Sedona, N/A; Fits 2011-2012 Kia Sedona, N/A; Fits 2011-2020 Kia Sorento, N/A; Fits 2013-2018 Hyundai Santa Fe Sport, N/A; Fits 2012-2017 Hyundai Azera, N/A, Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.; Fits 2010-2014 Hyundai Santa Fe, N/A, Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.; Fits 2009-2013 Hyundai Genesis, N/A, Prior to purchase, ensure compatibility with vehicle's alternator for proper fit.; Fits 2010-2013 Kia Forte, N/A; Fits 2010-2013 Kia Forte Koup, N/A; Fits 2012-2013 Kia Forte5, N/A; Fits 2009-2012 Kia Rondo, N/A; Fits 2010 Hyundai Sonata, N/A, 4 Blade Term.; Fits 2010 Kia Magentis, N/A.

Before installation, verify connector style, terminal count, and the sensor location on the engine or water outlet/water pump crossover pipe. On some Hyundai Sonata and Hyundai Tucson applications, the mounting point is specified in the fitment notes, so confirm the exact engine configuration before replacing the sensor.

Quality Assurance

Standard Ignition TX191 is built to match the listed connector, terminal, and mounting specifications for the confirmed Hyundai and Kia applications. Standard Ignition TX191 is also listed against multiple aftermarket references, including Walker Products 211-1124 and Motorad 1TS1072, for the same application coverage.