HomeEmission Control > SensorsWalker 245-1194 Mass Air Flow Sensor
Part #: 245-1194

Walker 245-1194 Mass Air Flow Sensor

Walker Mass Air Flow Sensor
⚙️ 33 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Mass Air Flow Sensor
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Silverado 2500 HD, Silverado 3500 HD, Savana 2500, Savana 3500, Sierra 2500 HD, and Sierra 3500 HD
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Overview of Walker Mass Air Flow Sensor 245-1194

The Walker Mass Air Flow Sensor 245-1194 is designed for precise air measurement in select Chevrolet and GMC heavy-duty vehicles. This sensor ensures accurate airflow data to the engine control unit, supporting optimal engine performance and emissions control.

  • Compatible with Chevrolet Express 2500, Express 3500, Silverado 2500 HD, Silverado 3500 HD
  • Compatible with GMC Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500 HD
  • Includes mounting hardware for straightforward installation
  • Features a 5-terminal female connector for reliable electrical connection
  • Housing not included, designed for direct replacement of existing sensor housing

Walker Mass Air Flow Sensor Product Line Details

The Walker Mass Air Flow Sensor line focuses on delivering accurate and durable sensors for emission control systems. The 245-1194 part is part of this line, engineered to meet OEM specifications for mass air flow measurement. This ensures compatibility and performance consistency across the supported Chevrolet and GMC models.

Detailed Product Description

This mass air flow sensor measures the volume and density of air entering the engine, providing critical data to the engine control module for fuel injection and ignition timing adjustments. The Walker 245-1194 sensor features a 5-terminal female connector, facilitating secure and precise electrical connections. While the sensor does not include a housing, it comes with mounting hardware to simplify installation. It is specifically designed for heavy-duty Chevrolet and GMC trucks and vans, including the Express and Savana series as well as the Silverado and Sierra HD models.

Common Applications and Issues Addressed

  • Restores accurate air flow readings for improved engine efficiency
  • Resolves rough idling and engine hesitation caused by faulty sensors
  • Helps correct poor fuel economy linked to incorrect air measurement
  • Addresses check engine light triggers related to mass air flow sensor faults
  • Supports emission control compliance by ensuring proper air-fuel mixture

Installation Notes and Tips

  • Ensure the vehicle is off and cooled before sensor replacement
  • Use the included mounting hardware for secure sensor attachment
  • Verify the 5-terminal female connector matches the vehicle wiring harness
  • Handle the sensor carefully to avoid damage to the sensing element
  • After installation, clear any diagnostic trouble codes and test drive to confirm proper operation

Quality Assurance and Warranty

Walker mass air flow sensors are manufactured to meet or exceed OEM standards for durability and accuracy. The 245-1194 sensor undergoes rigorous quality control to ensure reliable performance in emission control systems. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary.

BrandWalker
Part Number245-1194
PositionWalker Mass Air Flow Sensor
Connector GenderFemale
Housing IncludedNo
Mounting Hardware IncludedYes
Terminal Quantity5

This part fits 33 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010ChevroletExpress 25006.6LV8N/AWalker Mass Air Flow Sensor
2010ChevroletExpress 35006.6LV8N/AWalker Mass Air Flow Sensor
2010ChevroletSilverado 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2010ChevroletSilverado 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2010GMCSavana 25006.6LV8N/AWalker Mass Air Flow Sensor
2010GMCSavana 35006.6LV8N/AWalker Mass Air Flow Sensor
2010GMCSierra 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2010GMCSierra 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2009ChevroletExpress 25006.6LV8N/AWalker Mass Air Flow Sensor
2009ChevroletExpress 35006.6LV8N/AWalker Mass Air Flow Sensor
2009ChevroletSilverado 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2009ChevroletSilverado 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2009GMCSavana 25006.6LV8N/AWalker Mass Air Flow Sensor
2009GMCSavana 35006.6LV8N/AWalker Mass Air Flow Sensor
2009GMCSierra 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2009GMCSierra 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2008ChevroletExpress 25006.6LV8N/AWalker Mass Air Flow Sensor
2008ChevroletExpress 35006.6LV8N/AWalker Mass Air Flow Sensor
2008ChevroletSilverado 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2008ChevroletSilverado 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2008GMCSavana 25006.6LV8N/AWalker Mass Air Flow Sensor
2008GMCSavana 35006.6LV8N/AWalker Mass Air Flow Sensor
2008GMCSierra 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2008GMCSierra 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2007ChevroletExpress 25006.6LV8N/AWalker Mass Air Flow Sensor
2007ChevroletExpress 35006.6LV8N/AWalker Mass Air Flow Sensor
2007ChevroletSilverado 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2007ChevroletSilverado 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2007GMCSavana 25006.6LV8N/AWalker Mass Air Flow Sensor
2007GMCSavana 35006.6LV8N/AWalker Mass Air Flow Sensor
2007GMCSierra 2500 HD6.6LV8N/AWalker Mass Air Flow Sensor
2007GMCSierra 2500 HD Classic6.6LV8N/ASensor Only
2007GMCSierra 3500 HD6.6LV8N/AWalker Mass Air Flow Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

105023H721338565S80586418647450064865006491798898002762AF10150MA364MAS0354SU9524

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.