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Part #: 245-1149

Walker 245-1149 Mass Air Flow Sensor

Walker Mass Air Flow Assembly
⚙️ 76 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Mass Air Flow Assembly
🚗Fitment: Chevrolet, Cadillac, GMC, and Pontiac, Caprice, SS, Escalade, Silverado 1500, Tahoe, Sierra 1500, Yukon, G8, Avalanche, Silverado 2500 HD, Silverado 3500 HD, Suburban 1500, Suburban 2500, Sierra 2500 HD, Sierra 3500 HD, Yukon XL 1500, and Yukon XL 2500
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Overview of Walker Mass Air Flow Assembly 245-1149

The Walker Mass Air Flow Assembly 245-1149 is designed to provide accurate airflow measurement for optimal engine performance. This mass air flow sensor is compatible with a range of GM vehicles including Cadillac Escalade, Chevrolet Silverado 1500, and GMC Sierra 2500 HD models.

  • Includes housing for secure installation
  • Features 5 terminals for precise electrical connections
  • Female connector design for compatibility with factory wiring
  • Does not include mounting hardware
  • Compatible with multiple GM makes and models

Walker Mass Air Flow Assembly Product Line Details

The Walker Mass Air Flow Assembly product line focuses on reliable emission control sensors that meet OEM specifications. This line ensures accurate air measurement critical for engine management systems, helping maintain proper fuel mixture and emissions control. The 245-1149 sensor is part of this line, offering a direct replacement solution for various Cadillac, Chevrolet, GMC, and Pontiac vehicles.

Detailed Product Description

This mass air flow sensor assembly includes the housing, which protects the sensor element and facilitates proper airflow measurement. The sensor features a 5-terminal configuration and a female connector, designed to integrate seamlessly with the vehicle’s existing wiring harness. While mounting hardware is not included, the sensor is engineered to fit securely in the designated air intake location. The part number 245-1149 corresponds to a sensor compatible with models such as the Chevrolet Tahoe, GMC Yukon XL 1500, and Pontiac G8, ensuring precise airflow data for engine control units.

Common Applications and Issues Addressed

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

Installation Notes and Tips

  • Verify vehicle compatibility with the part number 245-1149 before installation
  • Ensure the sensor housing is clean and free of debris prior to mounting
  • Use appropriate tools to avoid damaging the female connector terminals
  • Check for secure electrical connections to prevent intermittent sensor signals
  • Mounting hardware must be sourced separately as it is not included

Quality Assurance and Warranty

Walker mass air flow sensors are manufactured to meet or exceed OEM standards for durability and accuracy. The 245-1149 sensor undergoes rigorous testing to ensure reliable performance in emission control systems. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.

BrandWalker
Part Number245-1149
PositionWalker Mass Air Flow Assembly
Connector GenderFemale
Housing IncludedYes
Mounting Hardware IncludedNo
Terminal Quantity5

This part fits 76 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2017ChevroletCaprice6.0LV8N/AWalker Mass Air Flow Assembly
2017ChevroletSS6.2LV8N/AWalker Mass Air Flow Assembly
2016ChevroletCaprice6.0LV8N/AWalker Mass Air Flow Assembly
2016ChevroletSS6.2LV8N/AWalker Mass Air Flow Assembly
2015ChevroletCaprice6.0LV8N/AWalker Mass Air Flow Assembly
2015ChevroletSS6.2LV8N/AWalker Mass Air Flow Assembly
2014ChevroletCaprice6.0LV8N/AWalker Mass Air Flow Assembly
2014ChevroletSS6.2LV8N/AWalker Mass Air Flow Assembly
2013ChevroletCaprice6.0LV8N/AWalker Mass Air Flow Assembly
2012ChevroletCaprice6.0LV8N/AWalker Mass Air Flow Assembly
2011ChevroletCaprice6.0LV8N/AWalker Mass Air Flow Assembly
2009CadillacEscalade6.0LV8ELECTRIC/GASN/AWalker Mass Air Flow Assembly
2009ChevroletSilverado 15006.0LV8ELECTRIC/GASN/AWalker Mass Air Flow Assembly
2009ChevroletSilverado 25005.3LV8N/AComplete Assembly
2009ChevroletTahoe6.0LV8N/AWalker Mass Air Flow Assembly
2009GMCSierra 15006.0LV8ELECTRIC/GASN/AWalker Mass Air Flow Assembly
2009GMCYukon6.0LV8N/AWalker Mass Air Flow Assembly
2009PontiacG86.2LV8N/AWalker Mass Air Flow Assembly
2009PontiacG86.0LV8N/AWalker Mass Air Flow Assembly
2008ChevroletAvalanche6.0LV8N/AWalker Mass Air Flow Assembly
2008ChevroletAvalanche5.3LV8N/AWalker Mass Air Flow Assembly
2008ChevroletCheyenne5.3LV8N/AComplete Assembly
2008ChevroletSilverado 15006.0LV8N/AWalker Mass Air Flow Assembly
2008ChevroletSilverado 15005.3LV8N/AWalker Mass Air Flow Assembly
2008ChevroletSilverado 15004.8LV8N/AWalker Mass Air Flow Assembly
2008ChevroletSilverado 15004.3LV6N/AWalker Mass Air Flow Assembly
2008ChevroletSilverado 25005.3LV8N/AComplete Assembly
2008ChevroletSilverado 2500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2008ChevroletSilverado 35006.0LV8N/AComplete Assembly
2008ChevroletSilverado 3500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2008ChevroletSuburban 15006.0LV8N/AWalker Mass Air Flow Assembly
2008ChevroletSuburban 15005.3LV8N/AWalker Mass Air Flow Assembly
2008ChevroletSuburban 25006.0LV8N/AWalker Mass Air Flow Assembly
2008ChevroletTahoe5.3LV8N/AWalker Mass Air Flow Assembly
2008ChevroletTahoe4.8LV8N/AWalker Mass Air Flow Assembly
2008GMCSierra5.3LV8N/AComplete Assembly
2008GMCSierra 15006.0LV8N/AWalker Mass Air Flow Assembly
2008GMCSierra 15005.3LV8N/AWalker Mass Air Flow Assembly
2008GMCSierra 15004.8LV8N/AWalker Mass Air Flow Assembly
2008GMCSierra 15004.3LV6N/AWalker Mass Air Flow Assembly
2008GMCSierra 2500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2008GMCSierra 3500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2008GMCYukon6.0LV8N/AWalker Mass Air Flow Assembly
2008GMCYukon5.3LV8N/AWalker Mass Air Flow Assembly
2008GMCYukon4.8LV8N/AWalker Mass Air Flow Assembly
2008GMCYukon XL 15006.0LV8N/AWalker Mass Air Flow Assembly
2008GMCYukon XL 15005.3LV8N/AWalker Mass Air Flow Assembly
2008GMCYukon XL 25006.0LV8N/AWalker Mass Air Flow Assembly
2008PontiacG86.0LV8N/AWalker Mass Air Flow Assembly
2007ChevroletAvalanche6.0LV8N/AWalker Mass Air Flow Assembly
2007ChevroletAvalanche5.3LV8N/AWalker Mass Air Flow Assembly
2007ChevroletCheyenne5.3LV8N/AComplete Assembly
2007ChevroletSilverado 15006.0LV8N/AWalker Mass Air Flow Assembly
2007ChevroletSilverado 15005.3LV8N/AWalker Mass Air Flow Assembly
2007ChevroletSilverado 15004.8LV8N/AWalker Mass Air Flow Assembly
2007ChevroletSilverado 15004.3LV6N/AWalker Mass Air Flow Assembly
2007ChevroletSilverado 25005.3LV8N/AComplete Assembly
2007ChevroletSilverado 2500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2007ChevroletSilverado 3500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2007ChevroletSuburban 15006.0LV8N/AWalker Mass Air Flow Assembly
2007ChevroletSuburban 15005.3LV8N/AWalker Mass Air Flow Assembly
2007ChevroletSuburban 25006.0LV8N/AWalker Mass Air Flow Assembly
2007ChevroletTahoe5.3LV8N/AWalker Mass Air Flow Assembly
2007ChevroletTahoe4.8LV8N/AWalker Mass Air Flow Assembly
2007GMCSierra5.3LV8N/AComplete Assembly
2007GMCSierra 15006.0LV8N/AWalker Mass Air Flow Assembly
2007GMCSierra 15005.3LV8N/AWalker Mass Air Flow Assembly
2007GMCSierra 15004.8LV8N/AWalker Mass Air Flow Assembly
2007GMCSierra 15004.3LV6N/AWalker Mass Air Flow Assembly
2007GMCSierra 2500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2007GMCSierra 3500 HD6.0LV8N/AWalker Mass Air Flow Assembly
2007GMCYukon5.3LV8N/AWalker Mass Air Flow Assembly
2007GMCYukon4.8LV8N/AWalker Mass Air Flow Assembly
2007GMCYukon XL 15006.0LV8N/AWalker Mass Air Flow Assembly
2007GMCYukon XL 15005.3LV8N/AWalker Mass Air Flow Assembly
2007GMCYukon XL 25006.0LV8N/AWalker Mass Air Flow Assembly

* 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:

105024H71590002319351885213382721347812211374M11535S80485S8084641857741014692281162AF10058MA198MAS0243MF21134MF21137SU9514

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