HomeEmission Control > SensorsStandard Ignition TX91 Engine Cylinder Head Temperature Sensor
Part #: TX91

Standard Ignition TX91 Engine Cylinder Head Temperature Sensor

⚙️ 259 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mercury, E-350 Super Duty, E-150, E-250, Mustang, Crown Victoria, Town Car, Grand Marquis, F-150, E-150 Club Wagon, E-350 Club Wagon, Excursion, Explorer, Aviator, Mountaineer, Expedition, F-150 Heritage, F-250 Super Duty, F-350 Super Duty, Navigator, Marauder, E-150 Econoline, E-150 Econoline Club Wagon, E-250 Econoline, E-350 Econoline Club Wagon, Blackwood, E-350 Econoline, and F-250
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Overview of Standard Ignition TX91 Engine Cylinder Head Temperature Sensor

The Standard Ignition TX91 Engine Cylinder Head Temperature Sensor is designed for precise temperature monitoring in various Ford, Lincoln, and Mercury vehicles. This sensor ensures accurate engine management by providing reliable temperature data to the vehicle's control system.

  • Connector Gender: Female
  • Connector Quantity: 1
  • Connector Shape: Oval
  • Connector Type: Plug in
  • Terminal Gender: Male
  • Terminal Quantity: 2
  • Terminal Type: Blade

Detailed Product Description

The TX91 sensor from Standard Ignition features a female oval plug-in connector with a single connection point, designed for secure and stable electrical contact. It includes two male blade terminals, which provide a reliable interface for temperature signal transmission. This configuration supports accurate engine cylinder head temperature readings, essential for optimal engine performance and emission control.

Compatible with a wide range of Ford, Lincoln, and Mercury models such as the Ford F-150, Explorer, Mustang, Lincoln Navigator, and Mercury Mountaineer, this sensor integrates seamlessly with the vehicle’s emission control system. The part number TX91 ensures you receive the correct sensor tailored for these specific applications.

Common Applications and Issues Addressed

  • Helps prevent engine overheating by monitoring cylinder head temperature
  • Supports accurate fuel mixture adjustments for emission control
  • Reduces risk of engine misfires related to temperature fluctuations
  • Assists in maintaining proper engine timing and performance
  • Detects temperature sensor faults that may trigger check engine lights

Installation Notes and Tips

  • Ensure the vehicle is cool before sensor replacement to avoid burns
  • Disconnect the battery prior to installation to prevent electrical shorts
  • Verify the connector orientation matches the female oval plug design
  • Use appropriate tools to avoid damaging the blade terminals
  • Check for secure connection to prevent intermittent sensor readings

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The TX91 Engine Cylinder Head Temperature Sensor undergoes rigorous testing to maintain quality standards. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship.

BrandStandard Ignition
Part NumberTX91
Connector GenderFemale
Connector ShapeOval
Connector TypePlug In
Terminal GenderMale
Terminal TypeBlade

This part fits 259 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019FordE-350 Super Duty6.8LV10N/A
2017FordE-350 Super Duty6.8LV10N/A
2016FordE-350 Super Duty6.8LV10N/A
2016FordE-350 Super Duty5.4LV8N/A
2015FordE-350 Super Duty6.8LV10N/A
2015FordE-350 Super Duty5.4LV8N/A
2014FordE-150N/A
2014FordE-250N/A
2014FordE-350 Super Duty6.8LV10N/A
2014FordE-350 Super Duty5.4LV8N/A
2013FordE-150N/A
2013FordE-250N/A
2013FordE-350 Super Duty6.8LV10N/A
2013FordE-350 Super Duty5.4LV8N/A
2012FordE-150N/A
2012FordE-250N/A
2012FordE-350 Super Duty6.8LV10N/A
2012FordE-350 Super Duty5.4LV8N/A
2012FordMustang5.4LV8N/A
2011FordCrown VictoriaN/A
2011FordE-150N/A
2011FordE-250N/A
2011FordE-350 Super Duty6.8LV10N/A
2011FordE-350 Super Duty5.4LV8N/A
2011FordMustang5.4LV8N/A
2011LincolnTown CarN/A
2011MercuryGrand MarquisN/A
2010FordCrown VictoriaN/A
2010FordE-150N/A
2010FordE-250N/A
2010FordE-350 Super Duty6.8LV10N/A
2010FordE-350 Super Duty5.4LV8N/A
2010FordF-1504.6LV8N/A
2010FordMustang5.4LV8N/A
2010LincolnTown CarN/A
2010MercuryGrand MarquisN/A
2009FordCrown VictoriaN/A
2009FordE-150N/A
2009FordE-250N/A
2009FordE-350 Super Duty6.8LV10N/A
2009FordE-350 Super Duty5.4LV8N/A
2009FordF-1504.6LV8N/A
2009FordMustang5.4LV8N/A
2009LincolnTown CarN/A
2009MercuryGrand MarquisN/A
2008FordCrown VictoriaN/A
2008FordE-150N/A
2008FordE-250N/A
2008FordE-350 Super Duty6.8LV10N/A
2008FordE-350 Super Duty5.4LV8N/A
2008FordF-1504.6LV8N/A
2008FordMustang5.4LV8N/A
2008LincolnTown CarN/A
2008MercuryGrand MarquisN/A
2007FordCrown VictoriaN/A
2007FordE-150N/A
2007FordE-250N/A
2007FordE-350 Super Duty6.8LV10N/A
2007FordE-350 Super Duty5.4LV8N/A
2007FordF-1504.6LV8N/A
2007FordMustang5.4LV8N/A
2007LincolnTown CarN/A
2007MercuryGrand MarquisN/A
2006FordCrown VictoriaN/A
2006FordE-150N/A
2006FordE-250N/A
2006FordE-350 Super Duty6.8LV10N/A
2006FordE-350 Super Duty5.4LV8N/A
2006FordF-1504.6LV8N/A
2006LincolnTown CarN/A
2006MercuryGrand MarquisN/A
2005FordCrown VictoriaN/A
2005FordE-150N/A
2005FordE-150 Club WagonN/A
2005FordE-250N/A
2005FordE-350 Club Wagon5.4LV8N/A
2005FordE-350 Super Duty6.8LV10N/A
2005FordE-350 Super Duty5.4LV8N/A
2005FordExcursion6.8LV10N/A
2005FordExcursion5.4LV8N/A
2005FordExplorer4.6LV8N/A
2005FordF-1504.6LV8N/A
2005LincolnAviatorN/A
2005LincolnTown CarN/A
2005MercuryGrand MarquisN/A
2005MercuryMountaineer4.6LV8N/A
2004FordCrown VictoriaN/A
2004FordE-150N/A
2004FordE-150 Club WagonN/A
2004FordE-250N/A
2004FordE-350 Club Wagon5.4LV8N/A
2004FordE-350 Super Duty6.8LV10N/A
2004FordE-350 Super Duty5.4LV8N/A
2004FordExcursion6.8LV10N/A
2004FordExcursion5.4LV8N/A
2004FordExpeditionN/A
2004FordExplorer4.6LV8N/A
2004FordF-1504.6LV8N/A
2004FordF-150 Heritage5.4LV8N/AOld Body Style
2004FordF-250 Super Duty6.8LV10N/A
2004FordF-250 Super Duty5.4LV8N/A
2004FordF-350 Super Duty6.8LV10N/A
2004FordF-350 Super Duty5.4LV8N/A
2004LincolnAviatorN/A
2004LincolnNavigatorN/A
2004LincolnTown CarN/A
2004MercuryGrand MarquisN/A
2004MercuryMarauderN/A
2004MercuryMountaineer4.6LV8N/A
2003FordCrown VictoriaN/A
2003FordE-1505.4LV8N/A
2003FordE-1504.6LV8N/A
2003FordE-2505.4LV8N/A
2003FordE-2504.6LV8N/A
2003FordE-350 Club Wagon6.8LV10N/A
2003FordE-350 Club Wagon5.4LV8N/A
2003FordE-350 Super Duty6.8LV10N/A
2003FordE-350 Super Duty5.4LV8N/A
2003FordExcursion6.8LV10N/A
2003FordExcursion5.4LV8N/A
2003FordExpeditionN/A
2003FordExplorer4.6LV8N/A
2003FordF-1504.6LV8N/A
2003FordF-1505.4LV8N/A
2003FordF-250 Super Duty6.8LV10N/A
2003FordF-250 Super Duty5.4LV8N/A
2003FordF-350 Super Duty6.8LV10N/A
2003FordF-350 Super Duty5.4LV8N/A
2003LincolnAviatorN/A
2003LincolnNavigatorN/A
2003LincolnTown CarN/A
2003MercuryGrand MarquisN/A
2003MercuryMarauderN/A
2003MercuryMountaineer4.6LV8N/A
2002FordCrown VictoriaN/A
2002FordE-150 Econoline5.4LV8N/A
2002FordE-150 Econoline4.6LV8N/A
2002FordE-150 Econoline Club Wagon5.4LV8N/A
2002FordE-150 Econoline Club Wagon4.6LV8N/A
2002FordE-250 Econoline5.4LV8N/A
2002FordE-350 Econoline Club Wagon6.8LV10N/A
2002FordE-350 Econoline Club Wagon5.4LV8N/A
2002FordE-350 Super Duty6.8LV10N/A
2002FordE-350 Super Duty5.4LV8N/A
2002FordExcursion6.8LV10N/A
2002FordExcursion5.4LV8N/A
2002FordExpeditionN/A
2002FordExplorer4.6LV8N/A
2002FordF-1504.6LV8N/A
2002FordF-1505.4LV8N/A
2002FordF-250 Super Duty6.8LV10N/A
2002FordF-250 Super Duty5.4LV8N/A
2002FordF-350 Super Duty6.8LV10N/A
2002FordF-350 Super Duty5.4LV8N/A
2002LincolnBlackwoodN/A
2002LincolnNavigatorN/A
2002LincolnTown CarN/A
2002MercuryGrand MarquisN/A
2002MercuryMountaineer4.6LV8N/A
2001FordCrown VictoriaN/A
2001FordE-150 Econoline5.4LV8N/A
2001FordE-150 Econoline4.6LV8N/A
2001FordE-150 Econoline Club Wagon5.4LV8N/A
2001FordE-150 Econoline Club Wagon4.6LV8N/A
2001FordE-250 Econoline5.4LV8N/A
2001FordE-350 Econoline Club Wagon6.8LV10N/A
2001FordE-350 Econoline Club Wagon5.4LV8N/A
2001FordE-350 Super Duty6.8LV10N/A
2001FordE-350 Super Duty5.4LV8N/A
2001FordExcursion6.8LV10N/A
2001FordExcursion5.4LV8N/A
2001FordExpeditionN/A
2001FordF-1504.6LV8N/A
2001FordF-1505.4LV8N/A
2001FordF-250 Super Duty6.8LV10N/A
2001FordF-250 Super Duty5.4LV8N/A
2001FordF-350 Super Duty6.8LV10N/A
2001FordF-350 Super Duty5.4LV8N/A
2001LincolnNavigatorN/A
2001LincolnTown CarN/A
2001MercuryGrand MarquisN/A
2000FordCrown VictoriaN/A
2000FordE-150 Econoline5.4LV8N/A
2000FordE-150 Econoline4.6LV8N/A
2000FordE-150 Econoline Club Wagon5.4LV8N/A
2000FordE-150 Econoline Club Wagon4.6LV8N/A
2000FordE-250 Econoline5.4LV8N/A
2000FordE-350 Econoline5.4LV8N/A
2000FordE-350 Econoline Club Wagon6.8LV10N/A
2000FordE-350 Econoline Club Wagon5.4LV8N/A
2000FordE-350 Super Duty6.8LV10N/A
2000FordE-350 Super Duty5.4LV8N/A
2000FordExcursion6.8LV10N/A
2000FordExcursion5.4LV8N/A
2000FordExpeditionN/A
2000FordF-1504.6LV8N/A
2000FordF-1505.4LV8N/A
2000FordF-250 Super Duty6.8LV10N/A
2000FordF-250 Super Duty5.4LV8N/A
2000FordF-350 Super Duty6.8LV10N/A
2000FordF-350 Super Duty5.4LV8N/A
2000LincolnNavigatorN/A
2000LincolnTown CarN/A
2000MercuryGrand MarquisN/A
1999FordCrown VictoriaN/A
1999FordE-150 Econoline5.4LV8N/A
1999FordE-150 Econoline4.6LV8N/A
1999FordE-150 Econoline Club Wagon5.4LV8N/A
1999FordE-150 Econoline Club Wagon4.6LV8N/A
1999FordE-250 Econoline5.4LV8N/A
1999FordE-350 Econoline5.4LV8N/A
1999FordE-350 Econoline Club Wagon6.8LV10N/A
1999FordE-350 Econoline Club Wagon5.4LV8N/A
1999FordE-350 Super Duty6.8LV10N/A
1999FordE-350 Super Duty5.4LV8N/A
1999FordExpeditionN/A
1999FordF-1504.6LV8N/A
1999FordF-1505.4LV8N/A
1999FordF-2504.6LV8N/A
1999FordF-2505.4LV8N/A
1999FordF-250 Super Duty6.8LV10N/A
1999FordF-250 Super Duty5.4LV8N/A
1999FordF-350 Super Duty6.8LV10N/A
1999FordF-350 Super Duty5.4LV8N/A
1999LincolnNavigatorN/A
1999LincolnTown CarN/A
1999MercuryGrand MarquisN/A
1998FordCrown VictoriaN/A
1998FordE-150 Econoline5.4LV8N/A
1998FordE-150 Econoline4.6LV8N/A
1998FordE-150 Econoline Club Wagon5.4LV8N/A
1998FordE-150 Econoline Club Wagon4.6LV8N/A
1998FordE-250 Econoline5.4LV8N/A
1998FordE-350 Econoline6.8LV10N/A
1998FordE-350 Econoline5.4LV8N/A
1998FordE-350 Econoline Club Wagon6.8LV10N/A
1998FordE-350 Econoline Club Wagon5.4LV8N/A
1998FordExpeditionN/A
1998FordF-1504.6LV8N/A
1998FordF-1505.4LV8N/A
1998FordF-2504.6LV8N/A
1998FordF-2505.4LV8N/A
1998LincolnNavigatorN/A
1998LincolnTown CarN/A
1998MercuryGrand MarquisN/A
1997FordE-150 Econoline5.4LV8N/A
1997FordE-150 Econoline4.6LV8N/A
1997FordE-150 Econoline Club Wagon5.4LV8N/A
1997FordE-150 Econoline Club Wagon4.6LV8N/A
1997FordE-250 Econoline5.4LV8N/A
1997FordE-350 Econoline6.8LV10N/A
1997FordE-350 Econoline5.4LV8N/A
1997FordE-350 Econoline Club Wagon6.8LV10N/A
1997FordE-350 Econoline Club Wagon5.4LV8N/A
1997FordExpeditionN/A
1997FordF-1504.6LV8N/A
1997FordF-1505.4LV8N/A
1997FordF-2504.6LV8N/A
1997FordF-2505.4LV8N/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:

12064140-109213-21502WTS00025S197972-462874168764228L3Z6G004A9383SU2188TS10150TS4061V25-72-0041WT5059

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