Walker
Walker Products

Walker 210-1043 Ambient Air Temperature Sensor

Brand Walker 210-1043
Product line Walker Products
Fits Pontiac, Buick, Chevrolet, and Oldsmobile · 57 vehicles

OEM-standard quality. Built to meet or exceed OEM standards and specifications.

Engine sensor expertise. From a long-time manufacturer of fuel system components and engine sensors.

Aftermarket focused. Serves the worldwide automotive aftermarket with technical support.

Cross-references Standard Ignition AX67, 5S1127 and SU1340 for the same application. See all 4.

$37.75Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $37.75
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Ambient Air Temperature Sensor 210-1043

Walker Products 210-1043 is an ambient air temperature sensor built for accurate outside-air temperature input to the vehicle HVAC and engine management systems. It is a direct-fit replacement for select Buick, Chevrolet, Oldsmobile, and Pontiac applications, including Grand Prix, Regal, Corvette, Impala, and Monte Carlo models.

Walker Products has supplied automotive fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on OE-level specifications. The Walker Products line is backed by ISO 9001/IATF16949 certified quality processes and application-specific technical support.

Key Features

  • Ambient air temperature sensor for HVAC and related control inputs
  • Walker Products part number 210-1043
  • OE-style replacement for select GM vehicles
  • Built to meet or exceed OEM standards and specifications
  • Application coverage for 1997-2003 model years
  • This part cross-references Standard Ignition AX67 for the same application.

Vehicle Fitment

  • Fits 2002-2003 Pontiac Grand Prix, N/A
  • Fits 1997-2000 Pontiac Grand Prix, N/A
  • Fits 1997-2002 Buick Century, N/A
  • Fits 1997-2002 Buick Regal, N/A
  • Fits 1997-2002 Chevrolet Corvette, N/A
  • Fits 2000-2002 Chevrolet Impala, N/A
  • Fits 2000-2002 Chevrolet Monte Carlo, N/A
  • Fits 1998-2002 Oldsmobile Silhouette, N/A
  • Fits 2001-2002 Pontiac Aztek, N/A
  • Fits 1999-2002 Pontiac Montana, N/A
  • Fits 2000-2001 Chevrolet Lumina, N/A
  • Fits 2000 Chevrolet Malibu, N/A
  • Fits 1997-1998 Pontiac Trans Sport, N/A

What It Helps Address

  • Incorrect outside temperature readings on the dash or climate display
  • HVAC control issues tied to ambient air input
  • Faulty sensor signals affecting system response
  • Replacement needs after sensor wear, corrosion, or damage

Installation Notes

Confirm the connector style and vehicle application before installation. Use the listed fitment for 1997-2003 Buick, Chevrolet, Oldsmobile, and Pontiac models, and verify the sensor location on the vehicle before removal. For best results, inspect the harness and connector for damage during replacement.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards, supported by in-house engineering, product management, and technical documentation. The company is ISO 9001/IATF16949 certified and focuses on accurate application data and production quality.

This part fits 57 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003PontiacGrand Prix3.8LV6N/AWalker Products
2003PontiacGrand Prix3.1LV6N/AWalker Products
2002BuickCentury3.1LV6N/AWalker Products
2002BuickRegal3.8LV6N/AWalker Products
2002ChevroletCorvette5.7LV8N/AWalker Products
2002ChevroletImpala3.8LV6N/AWalker Products
2002ChevroletImpala3.4LV6N/AWalker Products
2002ChevroletMonte Carlo3.8LV6N/AWalker Products
2002ChevroletMonte Carlo3.4LV6N/AWalker Products
2002OldsmobileSilhouette3.4LV6N/AWalker Products
2002PontiacAztek3.4LV6N/AWalker Products
2002PontiacGrand Prix3.8LV6N/AWalker Products
2002PontiacGrand Prix3.1LV6N/AWalker Products
2002PontiacMontana3.4LV6N/AWalker Products
2001BuickCentury3.1LV6N/AWalker Products
2001BuickRegal3.8LV6N/AWalker Products
2001ChevroletCorvette5.7LV8N/AWalker Products
2001ChevroletImpala3.8LV6N/AWalker Products
2001ChevroletImpala3.4LV6N/AWalker Products
2001ChevroletLumina3.1LV6N/AWalker Products
2001ChevroletMonte Carlo3.8LV6N/AWalker Products
2001ChevroletMonte Carlo3.4LV6N/AWalker Products
2001OldsmobileSilhouette3.4LV6N/AWalker Products
2001PontiacAztek3.4LV6N/AWalker Products
2001PontiacMontana3.4LV6N/AWalker Products
2000BuickCentury3.1LV6N/AWalker Products
2000BuickRegal3.8LV6N/AWalker Products
2000ChevroletCorvette5.7LV8N/AWalker Products
2000ChevroletImpala3.8LV6N/AWalker Products
2000ChevroletImpala3.4LV6N/AWalker Products
2000ChevroletLumina3.1LV6N/AWalker Products
2000ChevroletMalibu3.1LV6N/AWalker Products
2000ChevroletMonte Carlo3.8LV6N/AWalker Products
2000ChevroletMonte Carlo3.4LV6N/AWalker Products
2000OldsmobileSilhouette3.4LV6N/AWalker Products
2000PontiacGrand Prix3.8LV6N/AWalker Products
2000PontiacMontana3.4LV6N/AWalker Products
1999BuickCentury3.1LV6N/AWalker Products
1999BuickRegal3.8LV6N/AWalker Products
1999ChevroletCorvette5.7LV8N/AWalker Products
1999OldsmobileSilhouette3.4LV6N/AWalker Products
1999PontiacGrand Prix3.8LV6N/AWalker Products
1999PontiacGrand Prix3.1LV6N/AWalker Products
1999PontiacMontana3.4LV6N/AWalker Products
1998BuickCentury3.1LV6N/AWalker Products
1998BuickRegal3.8LV6N/AWalker Products
1998ChevroletCorvette5.7LV8N/AWalker Products
1998OldsmobileSilhouette3.4LV6N/AWalker Products
1998PontiacGrand Prix3.8LV6N/AWalker Products
1998PontiacGrand Prix3.1LV6N/AWalker Products
1998PontiacTrans Sport3.4LV6N/AWalker Products
1997BuickCentury3.1LV6N/AWalker Products
1997BuickRegal3.8LV6N/AWalker Products
1997ChevroletCorvette5.7LV8N/AWalker Products
1997PontiacGrand Prix3.8LV6N/AWalker Products
1997PontiacGrand Prix3.1LV6N/AWalker Products
1997PontiacTrans Sport3.4LV6N/AWalker Products
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — AX675S1127SU1340WT3091