HomeHVAC > SensorsStandard Ignition AX18 Ambient Air Temperature Sensor
Part #: AX18

Standard Ignition AX18 Ambient Air Temperature Sensor

⚙️ 137 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Chrysler, Eagle, and Plymouth, Viper, Concorde, LHS, Vision, Intrepid, New Yorker, Town & Country, Caravan, Grand Voyager, Voyager, Daytona, Imperial, LeBaron, Dynasty, Spirit, TC Maserati, Grand Caravan, Sundance, Shadow, Lancer, and Mini Ram
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Reliable Ambient Air Temperature Sensor for Chrysler, Dodge, and Plymouth

The Standard Ignition AX18 Ambient Air Temperature Sensor is designed to provide accurate temperature readings for your vehicle's HVAC system. Compatible with a range of Chrysler, Dodge, and Plymouth models, this sensor ensures your climate control operates efficiently under varying weather conditions.

  • Attachment Method: Plug in for straightforward installation
  • Connector Type: Female oval plug with one connector
  • Terminal Type: Two male pin terminals for secure electrical connection
  • Color: Gray and gold components for durability and corrosion resistance
  • Thread Size: 18mm x 1.50 for precise fitment
  • No additional hardware or mounting brackets included
  • Wiring harness not included

Product Details and Specifications

The AX18 Ambient Air Temperature Sensor from Standard Ignition is engineered to meet OEM specifications for a variety of Chrysler, Dodge, and Plymouth vehicles including Caravan, Concorde, Daytona, Dynasty, Grand Caravan, Grand Voyager, Imperial, Intrepid, Lancer, LeBaron, LHS, New Yorker, Shadow, Spirit, Sundance, Town & Country, Viper, and Voyager models. Featuring a plug-in attachment method and a female oval connector, this sensor offers a reliable electrical interface with two male pin terminals. The gray and gold color scheme indicates quality materials designed to resist corrosion and wear. The sensor’s 18mm x 1.50 thread size ensures a secure and proper fit in the mounting location.

Common Applications and Problem Resolution

  • Helps maintain accurate ambient temperature readings for HVAC climate control systems
  • Resolves issues with incorrect temperature display inside the vehicle
  • Prevents HVAC system malfunctions caused by faulty temperature input
  • Addresses intermittent or no signal problems from the ambient air temperature sensor
  • Improves overall vehicle comfort by ensuring proper sensor function

Installation Notes and Tips

Installation of the Standard Ignition AX18 sensor requires no additional hardware or mounting brackets, simplifying the replacement process. Ensure the sensor is threaded securely using the 18mm x 1.50 thread size to avoid leaks or loose connections. The plug-in female oval connector should be firmly attached to the vehicle’s wiring harness. Since the wiring harness is not included, verify compatibility with your vehicle’s existing harness before installation. Proper installation will help maintain accurate sensor readings and HVAC system performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. While no specific warranty details are provided here, Standard Ignition typically offers coverage against defects in materials and workmanship. Using the AX18 Ambient Air Temperature Sensor ensures compatibility and quality for your Chrysler, Dodge, or Plymouth vehicle’s HVAC system.

BrandStandard Ignition
Part NumberAX18
Attachment MethodPlug In
ColorGray, Gold
Connector GenderFemale
Connector ShapeOval
Connector TypePlug In
Hardware IncludedNo
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypePin
Thread Size (mm)18MMX1.50
Wiring Harness IncludedNo

This part fits 137 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002DodgeViperN/A
2001DodgeViperN/A
2000DodgeViperN/A
1999DodgeViperN/A
1998DodgeViperN/A
1997ChryslerConcordeN/A
1997ChryslerLHSN/A
1997DodgeViperN/A
1996ChryslerConcordeN/A
1996ChryslerIntrepidN/A
1996ChryslerLHSN/A
1996ChryslerNew YorkerN/A
1996ChryslerTown & CountryN/A
1996DodgeIntrepid3.3LV6N/A
1996DodgeIntrepid3.5LV6N/A
1996DodgeViperN/A
1995ChryslerConcordeN/A
1995ChryslerIntrepidN/A
1995ChryslerLHSN/A
1995ChryslerNew YorkerN/A
1995DodgeIntrepid3.3LV6N/A
1995DodgeIntrepid3.5LV6N/A
1995DodgeViperN/A
1994ChryslerConcordeN/A
1994ChryslerLHSN/A
1994ChryslerNew YorkerN/A
1994DodgeCaravan2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1994DodgeCaravan3.0LV6N/A
1994DodgeCaravan3.3LV6N/A
1994DodgeIntrepid3.3LV6N/A
1994DodgeIntrepid3.5LV6N/A
1994DodgeViperN/A
1994PlymouthGrand Voyager3.0LV6N/A
1994PlymouthGrand Voyager3.3LV6N/A
1994PlymouthGrand Voyager3.8LV6N/A
1994PlymouthVoyager2.5LL4N/Aw/ Oval Connector
1994PlymouthVoyager3.0LV6N/A
1994PlymouthVoyager3.3LV6N/A
1993ChryslerConcordeN/A
1993ChryslerDaytona3.0LV6N/A
1993ChryslerDaytona2.5LL4N/A
1993ChryslerImperial3.8LV6N/AOn Throttle Body
1993ChryslerLeBaron3.0LV6N/AOn Throttle Body
1993ChryslerLeBaron2.5LL4N/AOn Throttle Body
1993ChryslerNew YorkerN/A
1993ChryslerTown & Country3.3LV6N/AOn Throttle Body
1993DodgeCaravan2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1993DodgeDaytona2.2LL4N/AOn Throttle Body
1993DodgeDaytona3.0LV6N/AOn Throttle Body
1993DodgeIntrepid3.3LV6N/A
1993DodgeIntrepid3.5LV6N/A
1993DodgeViperN/A
1992ChryslerDaytona3.0LV6N/A
1992ChryslerDaytona2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1992ChryslerDynasty2.5LL4N/AOn Throttle Body
1992ChryslerImperial3.8LV6N/AOn Throttle Body
1992ChryslerLeBaron3.0LV6N/AOn Throttle Body
1992ChryslerLeBaron2.5LL4N/AOn Throttle Body
1992ChryslerNew YorkerN/A
1992ChryslerTown & Country3.3LV6N/AOn Throttle Body
1992DodgeCaravan2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1992DodgeDaytona3.0LV6N/AOn Throttle Body
1992DodgeDaytona2.2LL4N/AOn Throttle Body
1992DodgeDaytona2.5LL4N/AOn Throttle Body
1992DodgeSpirit2.2LL4N/AOn Throttle Body
1992DodgeViperN/A
1991ChryslerDaytona3.0LV6N/A
1991ChryslerDaytona2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1991ChryslerDynasty2.5LL4N/AOn Throttle Body
1991ChryslerImperial3.3LV6N/AOn Throttle Body
1991ChryslerImperial3.8LV6N/AOn Throttle Body
1991ChryslerLeBaron2.5LL4N/AOn Throttle Body
1991ChryslerLeBaron3.0LV6N/AOn Throttle Body
1991ChryslerTown & Country3.3LV6N/AOn Throttle Body
1991DodgeCaravan3.0LV6N/A
1991DodgeCaravan3.3LV6N/A
1991DodgeCaravan2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1991DodgeDaytona2.5LL4N/AOn Throttle Body
1991DodgeDaytona3.0LV6N/AOn Throttle Body
1991DodgeGrand CaravanN/A
1991PlymouthGrand VoyagerN/A
1991PlymouthSundance2.5LL4N/AEngine Intake Manifold Temperature Sensor fits on Cylinder Head.
1991PlymouthVoyager2.5LL4N/Aw/ Oval Connector
1991PlymouthVoyager3.0LV6N/A
1991PlymouthVoyager3.3LV6N/A
1990ChryslerDaytona3.0LV6N/AIntake Manifold Absolute Pressure Sensor (MAP)
1990ChryslerDaytona2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1990ChryslerDynasty2.5LL4N/AOn Throttle Body
1990ChryslerImperial3.3LV6N/AOn Throttle Body
1990ChryslerLeBaron3.0LV6N/AOn Throttle Body
1990ChryslerLeBaron2.2LL4N/AOn Throttle Body
1990ChryslerLeBaron2.5LL4N/AOn Throttle Body
1990ChryslerNew YorkerN/A
1990ChryslerTown & Country3.3LV6N/AOn Throttle Body
1990DodgeCaravan3.0LV6N/A
1990DodgeCaravan3.3LV6N/A
1990DodgeCaravan2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1990DodgeDaytona2.5LL4N/AOn Throttle Body
1990DodgeDaytona2.2LL4N/AOn Throttle Body
1990DodgeDaytona3.0LV6N/AOn Throttle Body
1990DodgeGrand CaravanN/A
1990DodgeShadow2.2LL4N/AOn Throttle Body
1990PlymouthGrand VoyagerN/A
1990PlymouthSundance2.5LL4N/AEngine Intake Manifold Temperature Sensor fits on Cylinder Head.
1990PlymouthVoyager2.5LL4N/Aw/ Oval Connector
1990PlymouthVoyager3.0LV6N/A
1989ChryslerDaytona2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1989ChryslerDaytona2.2LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1989ChryslerDynasty2.5LL4N/AOn Throttle Body
1989ChryslerLeBaron2.2LL4N/AOn Throttle Body
1989ChryslerLeBaron2.5LL4N/AOn Throttle Body
1989ChryslerNew YorkerN/A
1989DodgeCaravan3.0LV6N/A
1989DodgeCaravan2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1989DodgeDaytona2.2LL4N/AOn Throttle Body
1989DodgeDaytona2.5LL4N/AOn Throttle Body
1989DodgeGrand Caravan3.0LV6N/A
1989DodgeLancer2.2LL4N/Aw/o Gauge; On Cylinder Head
1989DodgeLancer2.5LL4N/Aw/o Gauge; On Cylinder Head
1989DodgeShadow2.2LL4N/AOn Throttle Body
1989DodgeShadow2.5LL4N/AOn Throttle Body
1989PlymouthGrand Voyager3.0LV6N/A
1989PlymouthSundance2.5LL4N/AEngine Intake Manifold Temperature Sensor fits on Cylinder Head.
1989PlymouthVoyager2.5LL4N/Aw/ Oval Connector
1989PlymouthVoyager3.0LV6N/A
1988ChryslerDynasty2.5LL4N/AOn Throttle Body
1988ChryslerTown & Country2.2LL4N/AEngine Intake Manifold Temperature Sensor fits on Cylinder Head.
1988DodgeCaravan3.0LV6N/A
1988DodgeCaravan2.5LL4N/AIntake Manifold Absolute Pressure Sensor (MAP)
1988DodgeDaytona2.2LL4N/AOn Throttle Body
1988DodgeGrand Caravan3.0LV6N/AEngine Intake Manifold Temperature Sensor fits on Cylinder Head.
1988DodgeLancer2.2LL4N/Aw/o Gauge; On Cylinder Head
1988DodgeLancer2.5LL4N/Aw/o Gauge; On Cylinder Head
1988PlymouthGrand Voyager3.0LV6N/AEngine Intake Manifold Temperature Sensor fits on Cylinder Head.
1988PlymouthVoyager2.5LL4N/Aw/ Oval Connector
1988PlymouthVoyager3.0LV6N/A
1985ChryslerNew Yorker2.6LL4N/AOn Throttle Body

* 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:

12111139-40719187309210-1012414952278055S102672-456875823ATSA77TS10018TS5013WT3014

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