Standard Ignition AX158 Ambient Air Temperature Sensor

Ambient Air Temperature Sensor for Sprinter

Standard Ignition AX158 is a direct-fit ambient air temperature sensor for HVAC systems. It is built with a black housing, round and rectangular plug-in connector design, and OE-style blade terminals for straightforward replacement on select Dodge Sprinter 2500 and Sprinter 3500 models.

Fits 2003-2006 Dodge Sprinter 2500 and Fits 2003-2006 Dodge Sprinter 3500. This part cross-references Four Seasons 75981 for the same application.

Key Features

• Direct-fit OE replacement for ambient air temperature sensor service
• Standard Ignition AX158 for HVAC temperature input repair
• Push-on attachment method with plug-in connector
• Female connector with 2 male blade terminals
• Black sensor body with no wiring harness included
• Compatible with 2003-2006 Dodge Sprinter 2500 and Dodge Sprinter 3500 applications

Detailed Description

The Standard Ignition AX158 ambient air temperature sensor is used in HVAC systems to report outside air temperature data to the vehicle’s control logic. On Dodge Sprinter 2500 and Dodge Sprinter 3500 models from 2003 through 2006, a failing sensor can affect temperature display accuracy and HVAC operation. This OE replacement follows the original fitment style and uses a plug-in electrical connection for service replacement. Standard Ignition manufactures automotive aftermarket parts with in-process quality control and testing to support consistent fit and function. The AX158 also cross-references part numbers 5S7014 and 72-4786 for the same application.

Common Issues This Sensor Can Address

• Incorrect outside air temperature readings on the dash or HVAC display
• Erratic HVAC temperature control behavior
• Sensor signal loss from a damaged or worn connector interface
• Replacement needs after corrosion, impact, or age-related failure
• Service repair on Dodge Sprinter 2500 and Sprinter 3500 HVAC systems

Installation Notes and Tips

Verify connector shape, terminal style, and mounting location before installation. The AX158 uses a push-on attachment method and does not include a wiring harness or mounting bracket. Confirm the vehicle is a 2003-2006 Dodge Sprinter 2500 or Dodge Sprinter 3500 before ordering, and inspect the connector for damage that could affect sensor communication.

Quality Assurance

Standard Ignition states that this sensor is made from durable materials and tested for reliability under demanding conditions. The AX158 is produced under controlled manufacturing processes to help maintain consistent quality for HVAC sensor replacement.