Standard Ignition AX409 HVAC Heater Core Temperature Sensor

HVAC Heater Core Temperature Sensor for OE Fit

Standard Ignition AX409 is a direct-fit HVAC heater core temperature sensor built for proper fit, form, and function. It is made with high-quality materials for durability in demanding temperature conditions and is tested for reliable operation.

Compatible with select Dodge Journey, Jeep Compass, Jeep Patriot, Jeep Wrangler, Dodge Avenger, and Dodge Caliber applications, this sensor supports accurate HVAC temperature feedback in vehicles that rely on precise heater core monitoring. Standard Ignition AX409 is a practical OE replacement for service work on Chrysler-family platforms.

Key Features

• Direct-fit OE replacement for straightforward installation
• HVAC heater core temperature sensor for temperature monitoring
• Female rectangular plug-in connector
• 2 male blade terminals
• Built with materials selected for harsh operating conditions
• Tested for reliability and consistent performance
• Standard Ignition AX409 cross-references with 5191343AA and TS57536 for the same application

Detailed Description

Standard Ignition AX409 is an HVAC heater core temperature sensor engineered to match OE fitment requirements. The rectangular female connector and 2-blade male terminal layout support a clean electrical connection, while the direct-fit design helps maintain proper HVAC system operation after replacement. This part number is commonly searched as AX409 for service on 2007-2017 Jeep Compass, 2007-2017 Jeep Patriot, 2007-2017 Jeep Wrangler, 2008-2014 Dodge Avenger, 2007-2012 Dodge Caliber, and 2009-2019 Dodge Journey applications.

Common Problems It Can Help Solve

• Inaccurate heater core temperature readings
• HVAC temperature control issues
• Faults caused by a damaged sensor connector or terminal interface
• Intermittent heater performance related to sensor signal loss
• Replacement needs after sensor wear from heat exposure

Installation Notes and Tips

Verify connector shape, terminal style, and vehicle application before installation. This AX409 sensor uses a female rectangular plug-in connector with 2 male blade terminals, so matching the electrical interface is important for proper fit. Confirm the vehicle year and model against the listed applications before service.

Quality Assurance

Standard Ignition states that this replacement sensor is manufactured under complete quality control and undergoes extensive testing to support reliability and performance. The part is built to meet OE-style fit, form, and function requirements.