Standard Ignition AX330 HVAC Heater Core Temperature Sensor

HVAC Heater Core Temperature Sensor Overview

Standard Ignition AX330 is a direct-fit HVAC heater core temperature sensor built to restore accurate temperature readings inside the vehicle. It is engineered with a high-temperature housing and a proper output curve to help prevent false readings in demanding engine bay conditions.

Compatible With 2007-2014 Ford Expedition, 2007-2014 Lincoln Navigator, and 2009-2010 Ford F-150, this sensor is a practical replacement when the original unit is damaged or no longer reporting correctly. The AX330 is also cross-referenced to Monroe Shocks & Struts 172286 for the same application.

Key Features

• Direct-fit replacement HVAC heater core temperature sensor
• Standard Ignition AX330 replacement part number
• Push-on attachment method with plug-in rectangular female connector
• 2 blade terminals, male terminal design
• Black housing with high-temperature construction
• No mounting bracket and no wiring harness included
• Built for stable electrical performance and accurate output curve

Detailed Description

This HVAC heater core temperature sensor is designed to replace a failed OE unit and restore temperature feedback inside the vehicle climate control system. Standard Ignition builds the AX330 with durable materials and a heat-resistant housing to handle harsh underhood conditions while maintaining the correct signal output for the system. For Ford Expedition, Lincoln Navigator, and Ford F-150 applications, the AX330 supports reliable temperature sensing where accurate cabin climate control depends on consistent readings.

Common Issues This Sensor Can Help Solve

• Incorrect heater core temperature readings
• Climate control temperature fluctuations
• Faulty or inconsistent HVAC sensor output
• Temperature-related diagnostic trouble codes
• Loss of proper cabin temperature regulation

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. The AX330 uses a push-on attachment with a rectangular female connector and blade terminals, so the replacement should match the original sensor interface. Inspect the surrounding HVAC components and wiring for heat damage or corrosion before connecting the new sensor.

Quality Assurance

Standard Ignition designs this sensor for durability, electrical performance, and long service life in service environments that demand accurate HVAC temperature feedback. The AX330 is built to meet the requirements of professional repair work and to provide the correct signal curve for dependable operation.