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Dorman 902-021 Ambient Air Temperature SensorOE Quality 60-Day Returns
Part #: 902-021

Dorman 902-021 Ambient Air Temperature Sensor

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291 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, Lincoln, and Mercury, Expedition, Mustang, Navigator, Fiesta, Escape, F-150, Flex, Fusion, Lobo, Taurus, Mark LT, MKS, MKT, MKZ, Crown Victoria, Town Car, Grand Marquis, Mariner, Milan, Explorer, Explorer Sport Trac, F-250 Super Duty, F-350 Super Duty, Focus, Mountaineer, Taurus X, Sable, E-150, E-250, E-350 Econoline, E-350 Super Duty, Five Hundred, Freestar, Freestyle, Montego, Monterey, LS, Zephyr, E-150 Club Wagon, E-350 Club Wagon, Excursion, Thunderbird, Aviator, F-150 Heritage, Marauder, Windstar, E-150 Econoline, E-150 Econoline Club Wagon, Blackwood, F-250, and Mark VIII
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Overview of Dorman 902-021 Ambient Air Temperature Sensor

The Dorman 902-021 Ambient Air Temperature Sensor is designed to provide accurate temperature readings for HVAC systems in select Ford, Lincoln, and Mercury vehicles. This sensor ensures reliable climate control performance by monitoring outside air temperature.

  • Constructed with durable plastic material for longevity
  • Threaded mount type with 0.375 inch thread diameter for secure installation
  • Features a round connector shape with male bullet terminals
  • Equipped with two terminals for stable electrical connection
  • Compact length of 2 inches for easy fitment in tight spaces
  • Compatible with multiple Ford, Lincoln, and Mercury models

Detailed Product Description

The Dorman 902-021 Ambient Air Temperature Sensor is engineered with a plastic switch sensor material and housing, providing resistance to environmental factors. Its threaded mount type with a 0.375 inch diameter allows for straightforward installation in the vehicle’s HVAC system. The sensor includes a round connector with male bullet terminals, featuring two terminals to ensure a reliable electrical connection without the need for an additional wiring harness. Measuring 2 inches in length, this sensor fits precisely in designated mounting locations.

This sensor is compatible with a wide range of Ford, Lincoln, and Mercury vehicles, including popular models such as the Ford F-150, Explorer, Mustang, and Lincoln Navigator. The part number 902-021 is essential for identifying the correct replacement sensor for these vehicles.

Common Applications and Issues Addressed

  • Restores accurate ambient air temperature readings for HVAC climate control
  • Resolves issues with incorrect temperature display on dashboard
  • Eliminates HVAC system malfunctions caused by faulty temperature input
  • Prevents improper air conditioning or heating cycles due to sensor failure
  • Helps maintain optimal engine performance by providing accurate external temperature data

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled down before installation
  • Locate the existing ambient air temperature sensor on the vehicle’s exterior or HVAC housing
  • Remove the old sensor by unscrewing the threaded mount carefully
  • Connect the new sensor’s male bullet terminals to the vehicle’s wiring harness
  • Thread the new sensor into place securely without over-tightening
  • Test the HVAC system to confirm proper sensor operation after installation

Quality Assurance and Warranty

Dorman manufactures the 902-021 Ambient Air Temperature Sensor to meet or exceed OEM specifications for fit, form, and function. The sensor undergoes rigorous quality control to ensure durability and reliable performance in compatible Ford, Lincoln, and Mercury vehicles. Please refer to Dorman’s warranty policy for specific coverage details related to this part.

BrandDorman
Part Number902-021
Connector GenderMale
Connector ShapeRound
Length2
MaterialPlastic
Mount TypeThreaded
Package Contents1 Sensor
Switch Sensor MaterialPlastic
Terminal Quantity2
Terminal TypeBullet
Thread Diameter0.375
Wiring Harness IncludedNo

This part fits 291 vehicles. Search below:

YearMakeModel# DoorsPositionNotes
2014FordExpeditionN/A
2014FordMustangN/A
2014LincolnNavigatorN/A
2013FordExpeditionN/A
2013FordFiestaN/A
2013FordMustangN/A
2013LincolnNavigatorN/A
2012FordEscapeN/A
2012FordExpeditionN/A
2012FordF-150N/A
2012FordFiestaN/A
2012FordFlexN/A
2012FordFusionN/A
2012FordMustangN/A
2012FordTaurusN/A
2012LincolnMark LTN/A
2012LincolnMKSN/A
2012LincolnMKTN/A
2012LincolnMKZN/A
2012LincolnNavigatorN/A
2011FordCrown VictoriaN/A
2011FordEscapeN/A
2011FordExpeditionN/A
2011FordF-150N/A
2011FordFiestaN/A
2011FordFlexN/A
2011FordFusionN/A
2011FordMustangN/A
2011FordTaurusN/A
2011LincolnMark LTN/A
2011LincolnMKSN/A
2011LincolnMKTN/A
2011LincolnMKZN/A
2011LincolnNavigatorN/A
2011LincolnTown CarN/A
2011MercuryGrand MarquisN/A
2011MercuryMarinerN/A
2011MercuryMilanN/A
2010FordCrown VictoriaN/A
2010FordEscapeN/A
2010FordExpeditionN/A
2010FordExplorerN/A
2010FordExplorer Sport TracN/A
2010FordF-150N/A
2010FordF-250 Super DutyN/A
2010FordF-350 Super DutyN/A
2010FordFlexN/A
2010FordFocusN/A
2010FordFusionN/A
2010FordMustangN/A
2010FordTaurusN/A
2010LincolnMark LTN/A
2010LincolnMKSN/A
2010LincolnMKTN/A
2010LincolnMKZN/A
2010LincolnNavigatorN/A
2010LincolnTown CarN/A
2010MercuryGrand MarquisN/A
2010MercuryMarinerN/A
2010MercuryMilanN/A
2010MercuryMountaineerN/A
2009FordCrown VictoriaN/A
2009FordEscapeN/A
2009FordExpeditionN/A
2009FordExplorerN/A
2009FordExplorer Sport TracN/A
2009FordF-150N/A
2009FordF-250 Super DutyN/A
2009FordF-350 Super DutyN/A
2009FordFlexN/A
2009FordFocusN/A
2009FordFusionN/A
2009FordTaurusN/A
2009FordTaurus XN/A
2009LincolnMKSN/A
2009LincolnMKZN/A
2009LincolnNavigatorN/A
2009LincolnTown CarN/A
2009MercuryGrand MarquisN/A
2009MercuryMarinerN/A
2009MercuryMilanN/A
2009MercuryMountaineerN/A
2009MercurySableN/A
2008FordCrown VictoriaN/A
2008FordEscapeN/A
2008FordExpeditionN/A
2008FordExplorerN/A
2008FordExplorer Sport TracN/A
2008FordF-150N/A
2008FordF-250 Super DutyN/A
2008FordF-350 Super DutyN/A
2008FordFusionN/A
2008FordTaurusN/A
2008FordTaurus XN/A
2008LincolnMark LTN/A
2008LincolnMKZN/A
2008LincolnNavigatorN/A
2008LincolnTown CarN/A
2008MercuryGrand MarquisN/A
2008MercuryMarinerN/A
2008MercuryMilanN/A
2008MercuryMountaineerN/A
2008MercurySableN/A
2007FordCrown VictoriaN/A
2007FordE-150N/A
2007FordE-250N/A
2007FordE-350 EconolineN/A
2007FordE-350 Super DutyN/A
2007FordExpeditionN/A
2007FordExplorerN/A
2007FordExplorer Sport TracN/A
2007FordF-150N/A
2007FordF-250 Super DutyN/A
2007FordF-350 Super DutyN/A
2007FordFive HundredN/A
2007FordFreestarN/A
2007FordFreestyleN/A
2007FordFusionN/A
2007FordTaurusN/A
2007LincolnMark LTN/A
2007LincolnMKZN/A
2007LincolnNavigatorN/A
2007LincolnTown CarN/A
2007MercuryGrand MarquisN/A
2007MercuryMilanN/A
2007MercuryMontegoN/A
2007MercuryMountaineerN/A
2006FordCrown VictoriaN/A
2006FordE-150N/A
2006FordE-250N/A
2006FordE-350 Super DutyN/A
2006FordExpeditionN/A
2006FordExplorerN/A
2006FordF-150N/A
2006FordF-250 Super DutyN/A
2006FordF-350 Super DutyN/A
2006FordFive HundredN/A
2006FordFreestarN/A
2006FordFreestyleN/A
2006FordFusionN/A
2006FordTaurusN/A
2006LincolnLSN/A
2006LincolnMark LTN/A
2006LincolnNavigatorN/A
2006LincolnTown CarN/A
2006LincolnZephyrN/A
2006MercuryGrand MarquisN/A
2006MercuryMilanN/A
2006MercuryMontegoN/A
2006MercuryMountaineerN/A
2005FordCrown VictoriaN/A
2005FordE-150N/A
2005FordE-150 Club WagonN/A
2005FordE-250N/A
2005FordE-350 Club WagonN/A
2005FordExcursionN/A
2005FordExpeditionN/A
2005FordExplorerN/A
2005FordF-150N/A
2005FordF-250 Super DutyN/A
2005FordF-350 Super DutyN/A
2005FordFive HundredN/A
2005FordFreestarN/A
2005FordFreestyleN/A
2005FordTaurusN/A
2005FordThunderbirdN/A
2005LincolnAviatorN/A
2005LincolnLSN/A
2005LincolnNavigatorN/A
2005LincolnTown CarN/A
2005MercuryGrand MarquisN/A
2005MercuryMontegoN/A
2005MercuryMountaineerN/A
2005MercurySableN/A
2004FordCrown VictoriaN/A
2004FordE-150N/A
2004FordE-150 Club WagonN/A
2004FordExcursionN/A
2004FordExpeditionN/A
2004FordExplorerN/A
2004FordF-150N/A
2004FordF-150 HeritageN/A
2004FordFreestarN/A
2004FordTaurusN/A
2004FordThunderbirdN/A
2004LincolnAviatorN/A
2004LincolnLSN/A
2004LincolnNavigatorN/A
2004LincolnTown CarN/A
2004MercuryGrand MarquisN/A
2004MercuryMarauderN/A
2004MercuryMountaineerN/A
2004MercurySableN/A
2003FordCrown VictoriaN/A
2003FordE-150N/A
2003FordE-150 Club WagonN/A
2003FordExcursionN/A
2003FordExpeditionN/A
2003FordExplorer4 DoorN/A
2003FordF-150N/A
2003FordTaurusN/A
2003FordThunderbirdN/A
2003FordWindstarN/A
2003LincolnAviatorN/A
2003LincolnLSN/A
2003LincolnNavigatorN/A
2003LincolnTown CarN/A
2003MercuryGrand MarquisN/A
2003MercuryMarauderN/A
2003MercuryMountaineerN/A
2003MercurySableN/A
2002FordCrown VictoriaN/A
2002FordE-150 EconolineN/A
2002FordE-150 Econoline Club WagonN/A
2002FordExcursionN/A
2002FordExpeditionN/A
2002FordExplorer4 DoorN/A
2002FordF-150N/A
2002FordTaurusN/A
2002FordThunderbirdN/A
2002FordWindstarN/A
2002LincolnBlackwoodN/A
2002LincolnLSN/A
2002LincolnNavigatorN/A
2002LincolnTown CarN/A
2002MercuryGrand MarquisN/A
2002MercuryMountaineerN/A
2002MercurySableN/A
2001FordCrown VictoriaN/A
2001FordE-150 EconolineN/A
2001FordE-150 Econoline Club WagonN/A
2001FordExcursionN/A
2001FordExpeditionN/A
2001FordF-150N/A
2001FordTaurusN/A
2001FordWindstarN/A
2001LincolnLSN/A
2001LincolnNavigatorN/A
2001LincolnTown CarN/A
2001MercuryGrand MarquisN/A
2001MercurySableN/A
2000FordCrown VictoriaN/A
2000FordE-150 EconolineN/A
2000FordE-150 Econoline Club WagonN/A
2000FordExcursionN/A
2000FordExpeditionN/A
2000FordF-150N/A
2000FordF-250N/A
2000FordTaurusN/A
2000FordWindstarN/A
2000LincolnLSN/A
2000LincolnNavigatorN/A
2000LincolnTown CarN/A
2000MercuryGrand MarquisN/A
2000MercurySableN/A
1999FordCrown VictoriaN/A
1999FordExpeditionN/A
1999FordTaurusN/A
1999FordWindstarN/A
1999LincolnNavigatorN/A
1999LincolnTown CarN/A
1999MercuryGrand MarquisN/A
1999MercurySableN/A
1998FordCrown VictoriaN/A
1998FordExpeditionN/A
1998FordTaurusN/A
1998LincolnMark VIIIN/A
1998LincolnNavigatorN/A
1998LincolnTown CarN/A
1998MercuryGrand MarquisN/A
1998MercurySableN/A
1997FordExpeditionN/A
1997FordExplorerN/A
1997FordTaurusN/A
1997LincolnMark VIIIN/A
1997LincolnTown CarN/A
1997MercuryMountaineerN/A
1997MercurySableN/A
1996FordExplorerN/A
1996FordTaurusN/A
1996LincolnMark VIIIN/A
1996MercurySableN/A
1995FordExplorerN/A
1995FordTaurusN/A
1995LincolnMark VIIIN/A
1995MercurySableN/A
1994FordTaurusN/A
1994LincolnMark VIIIN/A
1994MercurySableN/A
1993FordTaurusN/A
1993MercurySableN/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:

5S114172-4619AE5Z12A647AAN0011DY1137TS10541TX12WT381

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

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