Walker 210-91035 Ambient Air Temperature Sensor

Walker Ambient Air Temperature Sensor 210-91035

Walker Products FSK 210-91035 is an ambient air temperature sensor for vehicles that rely on accurate outside-air temperature input for HVAC and climate control operation. It is a direct-fit replacement for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac applications, including LeSabre, Park Avenue, DeVille, Bonneville, and Seville models.

Key Features

• Ambient air temperature sensor for HVAC and sensor replacement service
• Walker Products FSK line for engine and vehicle sensor applications
• Built to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering, product management, and technical documentation
• Interchange reference: SU1256DG
• Part number: 210-91035

Product Details

Walker Products has supplied automotive fuel system and engine sensor components since 1946, with manufacturing and quality systems focused on accurate fit and consistent performance. The FSK product line covers sensor applications used in modern vehicle management systems, and this ambient air temperature sensor is intended for direct replacement service on the listed GM platforms. If you are searching for a Walker ambient air temperature sensor for a Buick LeSabre, Cadillac DeVille, or Pontiac Bonneville, part number 210-91035 is the relevant application match.

Compatible With 1991-2005 Buick LeSabre, N/A; 1991-2005 Buick Park Avenue, N/A; 1993-2005 Cadillac DeVille, N/A; 1992-2005 Pontiac Bonneville, N/A; 1993-2004 Cadillac Seville, N/A; 2001-2003 Oldsmobile Aurora, N/A; 1995-1999 Oldsmobile Aurora, N/A; 1993-2002 Cadillac Eldorado, N/A; 1995-1999 Buick Riviera, N/A; 1997-1999 Oldsmobile LSS, N/A; 1997-1998 Chevrolet S10, N/A; 1992-1998 Oldsmobile 88, N/A; 1991-1996 Oldsmobile 98, N/A; 1993-1994 Cadillac Fleetwood, N/A; 1994 Oldsmobile Cutlass Supreme, N/A; 1992-1993 Pontiac Grand Prix, N/A.

What It Helps Address

• Incorrect outside temperature readings on the dash or climate display
• HVAC systems that respond poorly to changing ambient conditions
• Sensor faults that trigger diagnostic trouble codes
• Replacement needs after corrosion, impact, or age-related failure
• Restoration work on Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles

Installation Notes

Verify the connector style and mounting location against the original sensor before installation. Confirm vehicle year, make, and model using the fitment list, especially for Buick LeSabre, Cadillac DeVille, and Pontiac Bonneville applications. Use the vehicle service information for removal and replacement procedures, then clear any stored HVAC or sensor-related codes after installation.

Quality Assurance

Walker Products manufactures sensor and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, technical documentation, and ISO 9001/IATF16949 certified quality systems.