HomeHVAC > SensorsStandard Ignition AX426 HVAC Heater Core Temperature Sensor
Part #: AX426

Standard Ignition AX426 HVAC Heater Core Temperature Sensor

4 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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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: Honda, Civic
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition HVAC Heater Core Temperature Sensor AX426

The Standard Ignition HVAC Heater Core Temperature Sensor AX426 is designed specifically for Honda Civic models, providing accurate temperature readings to ensure optimal HVAC system performance. This sensor features a female rectangular plug-in connector and comes with a seal kit for secure installation.

  • Compatible with Honda Civic HVAC systems
  • Female rectangular plug-in connector with one connector
  • Two male pin terminals for reliable electrical connection
  • Includes seal kit for proper sealing and durability
  • Part number AX426 for precise identification

Detailed Product Description and Attributes

The AX426 HVAC Heater Core Temperature Sensor by Standard Ignition is engineered to monitor the temperature of the heater core within the HVAC system of Honda Civic vehicles. It features a single female connector with a rectangular shape designed for plug-in installation, ensuring a secure and straightforward connection. The sensor includes two male pin terminals that provide stable electrical contact, minimizing the risk of signal loss or failure. The included seal kit helps maintain system integrity by preventing leaks and protecting the sensor from environmental contaminants.

Common Applications and Issues Addressed

  • Helps regulate cabin temperature by providing accurate heater core temperature data
  • Prevents HVAC system overheating or underheating
  • Resolves inconsistent heating performance in Honda Civic models
  • Addresses sensor-related HVAC error codes or warning lights
  • Improves overall climate control system responsiveness

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled down before installation
  • Disconnect the battery to avoid electrical shorts during replacement
  • Use the included seal kit to properly seal the sensor and prevent leaks
  • Verify connector orientation matches the female rectangular plug-in design
  • Test the HVAC system after installation to confirm proper sensor operation

Quality Assurance and Warranty Information

Standard Ignition manufactures the AX426 sensor to meet or exceed OEM specifications for Honda Civic HVAC systems. The part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in the product's longevity.

BrandStandard Ignition
Part NumberAX426
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
ContentsSeal Kit
Terminal GenderMale
Terminal TypePins

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2019HondaCivicN/A
2018HondaCivicN/A
2017HondaCivicN/A
2016HondaCivicN/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:

80569TBAA11ATSB10042TS57553WT5862

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