Walker 210-1035 Ambient Air Temperature Sensor

Ambient Air Temperature Sensor for GM Applications

Walker Products 210-1035 is an ambient air temperature sensor built for vehicles that rely on accurate outside-air temperature input for HVAC and engine management functions. It is a direct-fit replacement for a wide range of Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, including LeSabre, Park Avenue, DeVille, Bonneville, and Seville applications.

Walker Products 210-1035 is a practical choice when you need a replacement ambient air temperature sensor for GM vehicles from 1991-2005. It is also cross-referenced to common aftermarket numbers for the same application.

Key Features

• Ambient air temperature sensor for HVAC and related vehicle temperature input systems
• Fits select 1991-2005 Buick LeSabre and Park Avenue applications
• Fits select 1992-2005 Pontiac Bonneville applications
• Fits select 1993-2005 Cadillac DeVille applications
• Walker Products part number 210-1035
• Cross-references Gates AX27 for the same application

Product Details

Walker Products has supplied automotive fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes engine management sensors and related components, and this ambient air temperature sensor follows that same OE-minded approach for accurate replacement service. Compatible vehicle coverage includes Buick LeSabre, Buick Park Avenue, Cadillac DeVille, Cadillac Seville, Cadillac Eldorado, Cadillac Fleetwood, Cadillac Aurora, Oldsmobile 88, Oldsmobile 98, Oldsmobile Cutlass Supreme, Pontiac Bonneville, Pontiac Grand Prix, Buick Riviera, Oldsmobile LSS, and Chevrolet S10 applications.

This part cross-references Gates AX27 for the same application.

Common Replacement Reasons

• Incorrect outside temperature display
• HVAC system temperature reading errors
• Fault codes related to ambient temperature input
• Delayed or inaccurate climate control response
• Sensor failure from age, corrosion, or road exposure

Installation Notes and Tips

Verify the connector style and mounting location against the original sensor before installation. Compare the old unit to Walker Products 210-1035 and confirm vehicle year, make, and model match the listed applications. After installation, clear any stored HVAC or diagnostic codes if required and confirm the temperature reading updates correctly.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house product management and engineering support. The company states its parts are manufactured to meet or exceed OEM standards and specifications, with technical documentation and application support maintained for accuracy.