Standard Ignition TX366 Engine Coolant Temperature Sensor

Brand Standard Ignition TX366
Attachment Method Bolt on
Color/Finish Gray, silver
Connector Gender Female
Connector Quantity 1
Connector Shape Oval
Connector Type Plug in
Finish Metal, plastic
Mounting Bracket(s) Included Yes
Port Quantity 1
Terminal Gender Male
Terminal Quantity 2
Terminal Type Blade
Fits Genesis and Kia · 19 vehicles

Bolt-on installation. Plug-in connector makes replacement straightforward.

Single-port design. Built with one port and a two-blade terminal connection.

Gray and silver finish. Metal and plastic construction with a clean, durable look.

Cross-references Standard Ignition TX366, 392203N030 and TS643 for the same application. See all 4.

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Engine Coolant Temperature Sensor for Kia and Genesis

Standard Ignition TX366 is an engine coolant temperature sensor built for direct replacement on select Kia and Genesis applications. It uses a bolt-on attachment method with a female oval plug-in connector, a single port, and a metal/plastic finish for a clean OE-style fit.

Compatible With 2021-2025 Genesis G80, 2022-2025 Genesis GV70, 2021-2025 Genesis GV80, and 2022-2026 Kia Carnival, this sensor is positioned on the water pump on the listed vehicles. The TX366 is a practical choice when you need accurate coolant temperature input for engine management and gauge operation.

Key Features

  • Engine coolant temperature sensor for select Kia and Genesis vehicles
  • Bolt-on attachment method with included mounting bracket(s)
  • Female oval connector with plug-in connection
  • 1 port, 2 blade terminals, male terminal design
  • Gray and silver metal/plastic construction
  • Located on the water pump on listed applications
  • Standard Ignition TX366 replacement part

Detailed Description

Standard Ignition TX366 is engineered as an OE-style engine coolant temperature sensor for vehicles that rely on precise coolant temperature feedback. On the listed Genesis G80, Genesis GV70, Genesis GV80, and Kia Carnival applications, the sensor mounts on the water pump and connects through a single female oval plug-in connector. The bolt-on design and bracket support help match the original mounting style for a straightforward replacement.

This part cross-references 392203N030 and WT5112 for the same application. If you are searching for a Kia Carnival engine coolant temperature sensor or a Genesis G80 coolant temperature sensor, TX366 is the direct-fit part number to compare against your original unit.

Common Problems This Part Can Address

  • Incorrect coolant temperature readings
  • Illuminated temperature-related warning lights
  • Poor engine control input from a failing sensor
  • Hard starting or drivability issues tied to coolant temperature signal errors
  • Cooling system monitoring faults on water pump-mounted sensor applications

Installation Notes and Tips

Verify the connector shape, terminal count, and water pump mounting location before installation. Compare the original sensor to Standard Ignition TX366 to confirm the bolt-on style, oval female connector, and blade terminal layout match your vehicle. For best results, inspect the connector and surrounding cooling system components for corrosion, coolant residue, or damaged wiring before installing the replacement.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. TX366 is built to match the listed fitment and connection style for select Genesis and Kia models, including 2021-2025 Genesis G80, 2022-2025 Genesis GV70, 2021-2025 Genesis GV80, and 2022-2026 Kia Carnival.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2026KiaCarnival3.5LV6Located On Water Pump
2025GenesisG803.5LV6Located On Water Pump
2025GenesisGV703.5LV6On Water Pump
2025GenesisGV803.5LV6Located On Water Pump
2025KiaCarnival3.5LV6Located On Water Pump
2024GenesisG803.5LV6Located On Water Pump
2024GenesisGV703.5LV6On Water Pump
2024GenesisGV803.5LV6Located On Water Pump
2024KiaCarnival3.5LV6Located On Water Pump
2023GenesisG803.5LV6Located On Water Pump
2023GenesisGV703.5LV6On Water Pump
2023GenesisGV803.5LV6Located On Water Pump
2023KiaCarnival3.5LV6Located On Water Pump
2022GenesisG803.5LV6Located On Water Pump
2022GenesisGV703.5LV6On Water Pump
2022GenesisGV803.5LV6Located On Water Pump
2022KiaCarnival3.5LV6Located On Water Pump
2021GenesisG803.5LV6Located On Water Pump
2021GenesisGV803.5LV6Located On Water Pump
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — TX366392203N030TS643WT5112