Standard Ignition AX370 Cabin Air Temperature Sensor

Cabin Air Temperature Sensor for GM Trucks and SUVs

Standard Ignition AX370 is a direct-fit cabin air temperature sensor for select Cadillac, Chevrolet, GMC, and Hummer applications. It is built for OE-style fit, form, and function, with a plug-in rectangular connector and 4 male pins for straightforward replacement on supported vehicles.

Use this cabin air temperature sensor when servicing HVAC temperature feedback on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade. Standard Ignition AX370 is engineered to match the original sensor interface for accurate installation and dependable operation.

Key Features

• Direct-fit OE replacement for the cabin air temperature sensor
• Gray housing with a rectangular female connector
• Plug-in connector design with 4 male pins
• Built with materials selected for harsh under-dash and HVAC conditions
• Individually tested for reliable sensor performance
• Compatible with select Cadillac, Chevrolet, GMC, and Hummer models

Detailed Product Overview

The Standard Ignition AX370 cabin air temperature sensor is designed to restore proper HVAC temperature sensing in vehicles that rely on an OE-style cabin sensor signal. Its direct-fit construction helps maintain the original mounting and electrical interface, reducing the need for modification during replacement. This part number, AX370, is a practical choice for owners and technicians servicing GM full-size trucks and SUVs where accurate cabin temperature input is important to climate control operation.

This part cross-references AC Delco-style applications such as 22834330 and WT5806 for the same application.

What This Sensor Helps Address

• Inaccurate cabin temperature readings reported to the HVAC system
• Erratic or inconsistent automatic climate control behavior
• HVAC systems that no longer respond correctly to interior temperature changes
• Faults caused by a damaged, corroded, or aging cabin air temperature sensor
• Replacement needs after connector or terminal wear on the original unit

Installation Notes and Fitment Tips

Compatible With 2000-2014 Cadillac Escalade, 2003-2008 Cadillac Escalade ESV, 2002-2013 Cadillac Escalade EXT, 2000-2014 Chevrolet Silverado 1500, 2001-2013 Chevrolet Silverado 3500, 2000-2014 Chevrolet Silverado 2500, 2000-2014 Chevrolet Suburban 1500, 2000-2013 Chevrolet Suburban 2500, 2000-2013 Chevrolet Tahoe, 2000-2014 GMC Sierra 1500, 2001-2006 GMC Sierra 3500, 2000-2004 GMC Sierra 2500, 2000-2014 GMC Yukon, 2000-2014 GMC Yukon XL 1500, 2000-2014 GMC Yukon XL 2500, and 2003-2009 Hummer H2, with application-specific 4-pin terminal notes on select years.

Before installation, compare the connector shape, terminal count, and mounting location to the original sensor. Verify the vehicle’s HVAC connector style and note any 4-pin terminal requirements listed for the specific year and model. Standard Ignition AX370 uses a plug-in connection and does not include a wiring harness or mounting bracket.

Quality Assurance

Standard Ignition manufactures this sensor as an OE-style replacement and controls quality throughout the production process. The part is tested for reliability and consistent performance, with materials selected to withstand demanding operating conditions in the HVAC system.