Home› Belts and Cooling > Sensors› Standard Ignition TX324 Engine Coolant Temperature Sensor
Standard Ignition TX324 Engine Coolant Temperature SensorOE Quality 60-Day Returns
Part #: TX324

Standard Ignition TX324 Engine Coolant Temperature Sensor

42 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$35.25Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hyundai and Kia, Creta, Elantra, Ioniq, Niro, Niro EV, Seltos, Sorento, Sportage, and Tucson
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Engine Coolant Temperature Sensor options

Engine Coolant Temperature Sensor for Hyundai and Kia

Standard Ignition TX324 is an engine coolant temperature sensor built for direct-fit service on select Hyundai and Kia applications. It uses a push-on attachment method, a female rectangular/oval connector, and a 2-pin male terminal layout for a secure electrical connection.

  • Engine coolant temperature sensor for cooling system signal input
  • Push-on attachment method for straightforward mounting
  • Female connector with 1 connector cavity and 2 pin terminals
  • Black and gold finish with brass and plastic construction
  • 12-volt electrical specification
  • Cross-reference part numbers include 3922003HA0 and CTSA208 for the same application

Fitment and application details

Standard Ignition TX324 is used in coolant temperature monitoring circuits on select Hyundai Elantra, Hyundai Ioniq, Hyundai Creta, Hyundai Tucson, Kia Niro, Kia Niro EV, Kia Sorento, Kia Sportage, and Kia Seltos models. Fits 2017-2025 Kia Niro, 2019-2026 Kia Niro EV, 2021-2025 Hyundai Elantra, and other listed Hyundai and Kia applications shown below.

  • Fits 2019-2026 Kia Niro EV, N/A
  • Fits 2021-2025 Hyundai Elantra, N/A
  • Fits 2017-2025 Kia Niro, N/A
  • Fits 2024 Hyundai Tucson, N/A; located on water pump crossover pipe
  • Fits 2023-2024 Kia Sportage, N/A
  • Fits 2021-2023 Hyundai Creta, N/A
  • Fits 2021-2023 Kia Sorento, N/A
  • Fits 2017-2022 Hyundai Ioniq, N/A
  • Fits 2017-2020 Hyundai Elantra, N/A; 2 blade term.
  • Fits 2020 Kia Seltos, N/A

What this sensor helps address

  • Incorrect coolant temperature signal to the engine control system
  • Temperature-related warning lights or diagnostic trouble codes
  • Hard starting or drivability concerns tied to coolant temperature input
  • Cooling fan control issues caused by inaccurate sensor readings
  • Fuel mixture or idle concerns related to engine temperature data

Installation notes and quality assurance

Verify connector style, terminal count, and mounting location before installation. On the 2024 Hyundai Tucson application, the sensor is located on the water pump crossover pipe. Standard Ignition TX324 is a replacement sensor for the listed Hyundai and Kia vehicles, including Hyundai Elantra and Kia Niro applications.

Standard Ignition replacement parts are built for service use in automotive electrical and engine management systems.

BrandStandard Ignition
Part NumberTX324
Attachment MethodPush-on
Color/FinishBlack, gold
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular, oval
Connector TypePlug; socket
FinishBrass, plastic
Terminal GenderMale
Terminal Quantity2
Terminal TypePin
Voltage12

This part fits 42 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2026KiaNiro EVBATTERY EV (EV/BEV)N/A
2025HyundaiElantra1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2025KiaNiro1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2025KiaNiro EVBATTERY EV (EV/BEV)N/A
2024HyundaiElantra1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2024HyundaiTucson1.6LL4FULL HYBRID EV-GAS (FHEV)N/ALocated On Water Pump Crossover Pipe
2024KiaNiro1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2024KiaNiro EVBATTERY EV (EV/BEV)N/A
2024KiaSportage1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2023HyundaiCreta1.4LL4N/A
2023HyundaiElantra1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2023KiaNiro1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2023KiaNiro EVBATTERY EV (EV/BEV)N/A
2023KiaSorento1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2023KiaSportage1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2022HyundaiCreta1.4LL4N/A
2022HyundaiElantra1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2022HyundaiIoniqFULL HYBRID EV-GAS (FHEV)N/A
2022KiaNiro1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2022KiaNiro EVBATTERY EV (EV/BEV)N/A
2022KiaSorento1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2021HyundaiCreta1.4LL4N/A
2021HyundaiElantra1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2021HyundaiIoniqFULL HYBRID EV-GAS (FHEV)N/A
2021KiaNiro1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2021KiaNiro EVBATTERY EV (EV/BEV)N/A
2021KiaSorento1.6LL4FULL HYBRID EV-GAS (FHEV)N/A
2020HyundaiElantraN/A2 Blade Term.
2020HyundaiIoniqN/A
2020KiaNiroN/A
2020KiaNiro EVBATTERY EV (EV/BEV)N/A
2020KiaSeltos1.4LL4N/A
2019HyundaiElantraN/A2 Blade Term.
2019HyundaiIoniqN/A
2019KiaNiroN/A
2019KiaNiro EVBATTERY EV (EV/BEV)N/A
2018HyundaiElantraN/A2 Blade Term.
2018HyundaiIoniqN/A
2018KiaNiroN/A
2017HyundaiElantraN/A2 Blade Term.
2017HyundaiIoniqN/A
2017KiaNiroN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3922003HA0CTSA208TS5633TX324WT5082

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Related Articles