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home > 12133 Genuine GM Air Flow Meter 2131593 ***NO LONGER AVAIABLE**** > 12133 Genuine GM Air Flow Meter 2131593 ***NO LONGER AVAIABLE****
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12133 Genuine GM Air Flow Meter 2131593 ***NO LONGER AVAIABLE****Genuine GM Air Flow Meter 2131593 NO LONGER AVAILABLE PLEASE NOTE: This product is no longer available from the manufacturer. The GM Air Flow Meter 2131593 (SKU 12 133) was a premium OEM quality mass air flow (MAF) sensor engineered by General Motors to precisely measure the amount of air entering the engine, enabling the ECU to calculate the correct fuel injection for optimal combustion, power delivery, and fuel efficiency for GM vehicles. CLICK HERE
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Genuine GM Air Flow Meter 2131593 - NO LONGER AVAILABLE

PLEASE NOTE: This product is no longer available from the manufacturer.

The GM Air Flow Meter 2131593 (SKU 12-133) was a premium OEM-quality mass air flow (MAF) sensor engineered by General Motors to precisely measure the amount of air entering the engine, enabling the ECU to calculate the correct fuel injection for optimal combustion, power delivery, and fuel efficiency for GM vehicles.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

Key Features & Benefits

  • Genuine GM Quality - Factory-grade component built to exacting standards
  • Precise Air Flow Measurement - Accurate readings ensure optimal air-fuel ratio
  • Improved Fuel Efficiency - Helps ECU maintain proper fuel mixture for better mileage
  • Enhanced Engine Performance - Ensures smooth acceleration and consistent power delivery
  • Reduced Emissions - Proper air-fuel mixture minimizes harmful exhaust emissions
  • Durable Construction - Built to withstand extreme temperatures and harsh conditions

Technical Specifications

  • GM Part Number: 2131593
  • Sensor Type: Mass Air Flow (MAF) Sensor
  • Primary Application: GM vehicles
  • Weight: 3.0 kg
  • Status: Discontinued - No longer available

Vehicle Compatibility

This air flow meter was designed for various GM vehicles. Always verify fitment for your specific vehicle.

CLICK HERE TO CHECK IF THIS FITS YOUR VEHICLE.

OEM Part Number Cross-Reference

This air flow meter replaced the following OEM part numbers:

  • 2131593 (GM)
  • 12566846 (GM)
  • AFM133 / AFM-133

Common Symptoms of Faulty Air Flow Meters

  • Check engine light illuminated (P0100-P0104 codes)
  • Poor fuel economy
  • Rough idle or stalling
  • Hesitation during acceleration
  • Loss of power or poor performance
  • Black smoke from exhaust (running rich)
  • Engine running lean or rich
  • Difficulty starting

What Does an Air Flow Meter Do?

The Mass Air Flow (MAF) sensor measures the volume and density of air entering the engine. This critical information allows the engine control unit (ECU) to calculate the precise amount of fuel needed for optimal combustion. By maintaining the correct air-fuel ratio, the MAF sensor ensures maximum power output, fuel efficiency, and minimal emissions across all driving conditions.

Why Choose LM15 Motorsport?

We supply genuine OEM automotive sensors with fast shipping across Australia. Every part is carefully inspected to ensure you receive the exact component your vehicle needs for reliable performance and accurate engine management.

Need help finding an alternative? Contact our expert team for advice on suitable replacement options for your GM vehicle.

12133 Genuine GM Air Flow Meter 2131593 ***NO LONGER AVAIABLE****

Item no : 71889786342
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