Walker 210-1049 Ambient Air Temperature Sensor

Walker 210-1049 Ambient Air Temperature Sensor

Walker Products 210-1049 is an ambient air temperature sensor built for direct replacement service on a wide range of GM vehicles. It supports accurate outside-air temperature input for HVAC and climate control operation, helping restore proper system response on applications such as Chevrolet Silverado 1500, Chevrolet Impala, and GMC Sierra 1500.

Key Features

• Ambient air temperature sensor for HVAC and engine management-related temperature input
• Walker Products replacement part number 210-1049
• Manufactured to meet or exceed OEM standards and specifications
• Backed by Walker Products engineering, product management, and technical support resources
• Compatible with multiple Chevrolet, GMC, Buick, Pontiac, Saturn, Hummer, Cadillac, and Oldsmobile applications

Walker Products Line Details

Walker Products has supplied automotive fuel system and engine sensor components since 1946. The Walker Products line focuses on OE-style replacement parts supported by in-house manufacturing and ISO 9001/IATF16949-certified quality systems. Part number 210-1049 reflects that approach with a sensor built for accurate fitment and dependable replacement performance.

Detailed Description

This ambient air temperature sensor is used to report outside air temperature data to the vehicle system so HVAC controls can respond correctly. It is a direct-fit replacement for many GM platforms, including Chevrolet Camaro, Chevrolet Traverse, Buick Enclave, GMC Acadia, and Chevrolet Colorado applications. This part cross-references Four Seasons 55759 for the same application.

Common Issues It May Solve

• Incorrect outside temperature display
• HVAC system not responding properly to ambient temperature input
• Faulty ambient air temperature sensor signal
• Temperature reading fluctuations caused by a worn sensor
• Replacement need after sensor failure on GM vehicles

Installation Notes and Tips

Verify the vehicle’s original sensor style and mounting configuration before ordering. Some listed applications note differences such as without bracket or without attaching clip, so confirm the exact vehicle setup against the fitment notes. Use the vehicle’s service information to locate the ambient air temperature sensor and inspect the connector and harness condition during replacement.

Quality Assurance

Walker Products states that its parts are manufactured to meet or exceed OEM standards and specifications. The company supports production with engineering, product management, and technical staff, and operates under ISO 9001/IATF16949 certification.

Compatible Vehicles

• Fits 2012-2016 Chevrolet Sonic, N/A; without Attaching Clip; without Bracket on Attenuator
• Fits 2015 Chevrolet Camaro, N/A; Sensor Only
• Fits 2008-2011 Buick Enclave, N/A
• Fits 2007-2011 Buick Lucerne, N/A
• Fits 2010-2011 Chevrolet Camaro, N/A
• Fits 2009-2011 Chevrolet Traverse, N/A
• Fits 2007-2011 GMC Acadia, N/A
• Fits 2005-2010 Buick LaCrosse, N/A
• Fits 2010 Cadillac SRX, N/A
• Fits 2005-2010 Chevrolet Cobalt, N/A
• Fits 2004-2010 Chevrolet Colorado, N/A
• Fits 2006-2010 Chevrolet Impala, N/A
• Fits 2008-2010 Chevrolet Malibu, N/A
• Fits 2004-2010 GMC Canyon, N/A
• Fits 2005-2009 Chevrolet Trailblazer, N/A
• Fits 2005-2009 GMC Envoy, N/A
• Fits 2004-2009 GMC Savana 1500, N/A
• Fits 2004-2009 GMC Savana 2500, N/A
• Fits 2004-2009 GMC Savana 3500, N/A
• Fits 2008-2009 Hummer H2, N/A
• Fits 2006-2009 Hummer H3, N/A
• Fits 2009 Hummer H3T, N/A
• Fits 2007-2009 Pontiac G5, N/A
• Fits 2007-2009 Pontiac G6, N/A
• Fits 2007-2009 Saturn Aura, N/A
• Fits 2007-2009 Saturn Outlook, N/A
• Fits 2004-2008 Pontiac Grand Prix, N/A
• Fits 2005-2007 Buick Rainier, N/A
• Fits 2006-2007 Chevrolet Monte Carlo, N/A
• Fits 2000-2007 Chevrolet Silverado 1500, N/A
• Fits 2007 GMC Sierra 1500, N/A
• Fits 2004-2007 Saturn Ion, N/A
• Fits 2006 Buick Lucerne, N/A; without Bracket
• Fits 2006 Chevrolet Equinox, N/A
• Fits 2005-2006 Chevrolet SSR, N/A; without Bracket
• Fits 2003 Chevrolet SSR, N/A; without Bracket
• Fits 2006 Pontiac Torrent, N/A
• Fits 2004 Buick Rainier, N/A; without Bracket
• Fits 2002-2004 Chevrolet Trailblazer, N/A; without Bracket
• Fits 2003-2004 Chevrolet Trailblazer EXT, N/A; without Bracket
• Fits 2002-2004 GMC Envoy, N/A; without Bracket
• Fits 2003-2004 GMC Envoy XL, N/A; without Bracket
• Fits 2002-2004 Oldsmobile Bravada, N/A; without Bracket
• Fits 2000 Chevrolet K3500, N/A
• Fits 2000 Chevrolet Silverado 2500, N/A