HomeTransmission > SensorsStandard Ignition TX300 Automatic Transmission Fluid Temperature Sensor
Part #: TX300

Standard Ignition TX300 Automatic Transmission Fluid Temperature Sensor

128 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Kia and Hyundai, Optima, Santa Fe, Santa Fe Sport, Sorento, Elantra, Cadenza, Forte Koup, Sportage, Elantra GT, Sonata, Tucson, Veloster, Forte, Rio, Accent, Azera, Elantra Coupe, Sedona, Forte5, and Soul
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Overview of Standard Ignition TX300 Transmission Sensor

The Standard Ignition TX300 Automatic Transmission Fluid Temperature Sensor is designed for precise monitoring of transmission fluid temperature in select Hyundai and Kia vehicles. This sensor helps maintain optimal transmission performance by providing accurate temperature data to the vehicle’s control system.

  • Compatible with Hyundai and Kia models including Accent, Elantra, Sonata, Santa Fe, and more
  • Measures automatic transmission fluid temperature for efficient transmission operation
  • Direct replacement part number TX300 for reliable fit and function
  • Ensures accurate temperature readings to prevent transmission overheating
  • Durable construction designed for long-term use in demanding conditions

Detailed Product Description

The Standard Ignition TX300 Automatic Transmission Fluid Temperature Sensor is engineered to deliver consistent and accurate temperature readings critical for the transmission control module. This sensor is compatible with a wide range of Hyundai and Kia vehicles, including popular models such as the Hyundai Elantra, Sonata, Tucson, and Kia Optima, Sorento, and Sportage. By monitoring the transmission fluid temperature, the TX300 helps the vehicle’s computer adjust shifting patterns and protect the transmission from damage caused by excessive heat.

Common Applications and Issues Addressed

  • Prevents transmission overheating by providing real-time temperature data
  • Helps resolve erratic shifting or transmission slipping related to temperature sensor faults
  • Supports proper transmission fluid temperature regulation for improved drivability
  • Addresses transmission warning lights triggered by faulty temperature readings
  • Reduces risk of transmission damage due to inaccurate temperature monitoring

Installation Notes and Tips

Installation of the Standard Ignition TX300 sensor requires basic mechanical skills and appropriate tools. It is recommended to locate the sensor on the transmission housing and disconnect the battery before installation to avoid electrical issues. Ensure the sensor connector is securely attached and check for any fluid leaks after installation. Refer to the vehicle’s service manual for specific torque specifications and sensor location details.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TX300 sensor undergoes rigorous quality control testing to guarantee accurate temperature readings and long service life. This product typically includes a limited warranty covering defects in materials and workmanship, providing confidence in its quality and fitment for Hyundai and Kia vehicles.

BrandStandard Ignition
Part NumberTX300
Attachment MethodPush On
ColorBlack, Gold
Connector GenderFemale
Connector ShapeSquare
Connector TypePlug; Socket
FinishBrass, Plastic
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 128 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2019KiaOptimaN/A
2018HyundaiSanta FeN/AAt Transmission
2018HyundaiSanta Fe SportN/AAt Transmission
2018KiaOptimaN/A
2018KiaSorentoN/A
2017HyundaiSanta FeN/AAt Transmission
2017HyundaiSanta Fe SportN/AAt Transmission
2017KiaOptimaN/A
2017KiaSorentoN/A
2016HyundaiElantraN/AAt Transmission
2016HyundaiSanta FeN/AAt Transmission
2016HyundaiSanta Fe SportN/AAt Transmission
2016KiaCadenzaN/A
2016KiaForte KoupN/A
2016KiaOptimaN/A
2016KiaSorentoN/A
2016KiaSportage2.0LL4N/A
2016KiaSportage2.4LL4N/A
2015HyundaiElantraN/AAt Transmission
2015HyundaiElantra GTN/AAt Transmission
2015HyundaiSanta FeN/AAt Transmission
2015HyundaiSanta Fe SportN/AAt Transmission
2015HyundaiSonataELECTRIC/GASN/AAt Transmission
2015HyundaiTucsonN/AAt Transmission
2015HyundaiVelosterN/AAt Transmission
2015KiaCadenzaN/A
2015KiaForteN/A
2015KiaForte KoupN/A
2015KiaOptima2.0LL4N/A
2015KiaOptima2.4LL4N/A
2015KiaRioN/A
2015KiaSorentoN/A
2015KiaSportage2.0LL4N/A
2015KiaSportage2.4LL4N/A
2014HyundaiAccentN/AAt Transmission
2014HyundaiAzeraN/AAt Transmission
2014HyundaiElantraN/AAt Transmission
2014HyundaiElantra CoupeN/AAt Transmission
2014HyundaiElantra GTN/AAt Transmission
2014HyundaiSanta FeN/AAt Transmission
2014HyundaiSanta Fe SportN/AAt Transmission
2014HyundaiTucsonN/AAt Transmission
2014HyundaiVelosterN/AAt Transmission
2014KiaCadenzaN/A
2014KiaForteN/A
2014KiaForte KoupN/A
2014KiaOptima2.0LL4N/A
2014KiaOptima2.4LL4N/A
2014KiaRioN/A
2014KiaSedonaN/A
2014KiaSorentoN/A
2014KiaSportage2.0LL4N/A
2014KiaSportage2.4LL4N/A
2013HyundaiAccentN/AAt Transmission
2013HyundaiAzeraN/AAt Transmission
2013HyundaiElantraN/AAt Transmission
2013HyundaiElantra CoupeN/AAt Transmission
2013HyundaiElantra GTN/AAt Transmission
2013HyundaiSanta FeN/AAt Transmission
2013HyundaiSanta Fe SportN/AAt Transmission
2013HyundaiSonataN/AAt Transmission
2013HyundaiTucsonN/AAt Transmission
2013HyundaiVelosterN/AAt Transmission
2013KiaForteN/A
2013KiaForte KoupN/A
2013KiaForte5N/A
2013KiaOptima2.0LL4N/A
2013KiaOptima2.4LL4N/A
2013KiaRioN/A
2013KiaSorentoN/A
2013KiaSoulN/A
2013KiaSportage2.0LL4N/A
2013KiaSportage2.4LL4N/A
2012HyundaiAccentN/AAt Transmission
2012HyundaiAzeraN/AAt Transmission
2012HyundaiElantraN/AAt Transmission
2012HyundaiSanta FeN/AAt Transmission
2012HyundaiSonataN/AAt Transmission
2012HyundaiTucsonN/AAt Transmission
2012HyundaiVelosterN/AAt Transmission
2012KiaForteN/A
2012KiaForte KoupN/A
2012KiaForte5N/A
2012KiaOptima2.0LL4N/A
2012KiaOptima2.4LL4N/A
2012KiaRioN/A
2012KiaSedonaN/A
2012KiaSorentoN/A
2012KiaSoulN/A
2012KiaSportage2.0LL4N/A
2012KiaSportage2.4LL4N/A
2011HyundaiAccentN/AAt Transmission
2011HyundaiAzeraN/AAt Transmission
2011HyundaiElantraN/AAt Transmission
2011HyundaiSanta FeN/AAt Transmission
2011HyundaiSonataN/AAt Transmission
2011HyundaiTucsonN/AAt Transmission
2011KiaForteN/A
2011KiaForte KoupN/A
2011KiaOptima2.0LL4N/A
2011KiaOptima2.4LL4N/A
2011KiaRioN/A
2011KiaSedonaN/A
2011KiaSorentoN/A
2011KiaSoulN/A
2011KiaSportage2.0LL4N/A
2011KiaSportage2.4LL4N/A
2010HyundaiAzeraN/AAt Transmission
2010HyundaiElantraN/AAt Transmission
2010HyundaiSanta FeN/AAt Transmission
2010HyundaiSonata2.4LL4N/ANew Body Style; At Transmission
2010HyundaiTucsonN/AAt Transmission
2010KiaForteN/A
2010KiaForte KoupN/A
2010KiaOptima2.4LL4N/A
2010KiaSedonaN/A
2010KiaSportage2.0LL4N/A
2009HyundaiAzeraN/AAt Transmission
2009KiaSedonaN/A
2009KiaSorentoN/A
2008HyundaiAzeraN/AAt Transmission
2008KiaSedonaN/A
2007HyundaiAzeraN/AAt Transmission
2007KiaSedonaN/A
2006HyundaiAzeraN/AAt Transmission
2006KiaSedonaN/A
2002HyundaiSanta FeN/AAt Transmission
2001HyundaiSanta FeN/AAt Transmission

* 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:

463863B000463863B010TS5910TXSA39WT5310

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