Walker
Walker Products FSK

Walker 210-91009 Air Charge Temperature Sensor

Brand Walker 210-91009
Product line Walker Products FSK
Fits Chevrolet and Pontiac · 26 vehicles

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

Engine sensor expertise. From a long-time maker of fuel system and engine management components.

Cross-references SU1194DG for the same application. See all 1.

$31.83Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $31.83
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Air Charge Temperature Sensor 210-91009

Walker Products Air Charge Temperature Sensor 210-91009 is an engine management sensor built for accurate intake air temperature monitoring. It supports proper fuel and ignition control on select Chevrolet and Pontiac applications, including Cavalier, Corsica, Sunbird, and LeMans.

Key Features

  • Air charge temperature sensor for engine management systems
  • Walker Products FSK line component
  • Manufactured to meet or exceed OEM standards and specifications
  • Backed by Walker Products engineering, product management, and technical support
  • ISO 9001 and IATF 16949 certified manufacturing environment
  • Cross-reference: SU1194DG

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on accurate applications data and OE-style performance. Part number 210-91009 is an air charge temperature sensor used in engine control strategies that rely on intake air temperature input. Compatible With 1990-1991 Chevrolet Cavalier, 1990-1991 Chevrolet Corsica, 1987-1991 Pontiac Sunbird, and 1989-1990 Pontiac LeMans, this sensor supports the factory calibration needs of these vehicles. The Walker Products FSK line is positioned for dependable replacement in everyday repair work, and 210-91009 is a direct search match for buyers looking for a Walker air charge temperature sensor for these specific Chevrolet and Pontiac models.

Common Issues This Part May Address

  • Incorrect intake air temperature signal to the engine control module
  • Rough idle or drivability concerns related to sensor input
  • Fuel mixture control problems caused by inaccurate air temperature data
  • Check engine light conditions tied to air charge temperature sensor faults
  • Hard starting or inconsistent engine response in affected applications

Installation Notes and Tips

Verify the connector style, sensor location, and application details against the original part before installation. Confirm vehicle year and model match the listed fitment for 1990-1991 Chevrolet Cavalier, 1990-1991 Chevrolet Corsica, 1987-1991 Pontiac Sunbird, or 1989-1990 Pontiac LeMans. Clear diagnostic trouble codes after replacement and recheck sensor readings if the vehicle uses scan-tool diagnostics.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation, and operates under ISO 9001 and IATF 16949 certification.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1991ChevroletCavalierVL2.2LL4GASN/AWalker Products FSK
1991ChevroletCavalierRS2.2LL4GASN/AWalker Products FSK
1991ChevroletCorsicaLT2.2LL4GASN/AWalker Products FSK
1991PontiacSunbirdValue Leader2.0LL4GASN/AWalker Products FSK
1991PontiacSunbirdSE2.0LL4GASN/AWalker Products FSK
1991PontiacSunbirdLE2.0LL4GASN/AWalker Products FSK
1990ChevroletCavalierVL2.2LL4GASN/AWalker Products FSK
1990ChevroletCavalierRS2.2LL4GASN/AWalker Products FSK
1990ChevroletCavalierBase2.2LL4GASN/AWalker Products FSK
1990ChevroletCorsicaLT2.2LL4GASN/AWalker Products FSK
1990PontiacLeMansGSE2.0LL4GASN/AWalker Products FSK
1990PontiacSunbirdSE2.0LL4GASN/AWalker Products FSK
1990PontiacSunbirdLE2.0LL4GASN/AWalker Products FSK
1990PontiacSunbirdGT2.0LL4GASN/AWalker Products FSK
1989PontiacLeMansSE2.0LL4GASN/AWalker Products FSK
1989PontiacLeMansLE2.0LL4GASN/AWalker Products FSK
1989PontiacLeMansGSE2.0LL4GASN/AWalker Products FSK
1989PontiacSunbirdSE2.0LL4GASN/AWalker Products FSK
1989PontiacSunbirdLE2.0LL4GASN/AWalker Products FSK
1989PontiacSunbirdGT2.0LL4GASN/AWalker Products FSK
1988PontiacSunbirdSE2.0LL4GASN/AWalker Products FSK
1988PontiacSunbirdGT2.0LL4GASN/AWalker Products FSK
1988PontiacSunbirdBase2.0LL4GASN/AWalker Products FSK
1987PontiacSunbirdSE2.0LL4GASN/AWalker Products FSK
1987PontiacSunbirdGT2.0LL4GASN/AWalker Products FSK
1987PontiacSunbirdBase2.0LL4GASN/AWalker Products FSK
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
SU1194DG