Details

• Brand:

  

• SKU:

  12597947

• Positions: Left Rear, Left, Right Rear, Rear
• Other Names:

  Oxygen Sensor, 1028

• Description:

  GM part number 12597947 is a genuine GM heated oxygen sensor (also called a rear O2 sensor or “Sensor, Heated Oxygen – Position 2”). It’s used to monitor oxygen content in the exhaust system for emissions and fuel-control operation.

  Common details:

  • OEM GM emissions sensor
  • Typically the downstream / rear oxygen sensor
  • Fits various 2007–2010 GM vehicles
  • Common engine applications:
    • 2.4L
    • 3.5L
    • 3.6L

  Known fitments include:

  • Buick Enclave
  • Chevrolet Malibu
  • GMC Acadia
  • Pontiac G6
  • Saturn Aura
  • Saturn Outlook
  • Saturn Vue

  Useful OEM references:

  • GM Parts Giant listing
  • GM Parts Center listing
  • Tasca Parts listing

  If you send your VIN or exact year/make/model/engine, I can verify whether 12597947 is the correct upstream or downstream O2 sensor for your vehicle.

  
  

  # Heated Oxygen Sensor

  Genuine GM OEM Heated Oxygen Sensor (MPN: 12597947) for select GM vehicles including the Acadia, Acadia Limited, Outlook, Vue, Enclave, Traverse, Vue Hybrid, and G6. This oxygen sensor detects oxygen content in exhaust gases to optimize emission control and engine performance. Compatible with 3.6L, 3.5L, and 2.4L engines, this rear-mounted sensor is essential for maintaining proper air-fuel mixture and meeting emissions standards.

  - Genuine OEM GM part engineered to factory specifications and backed by General Motors quality standards
  - Fits rear oxygen sensor position on Acadia, Acadia Limited, Outlook, Vue, Enclave, Traverse, Vue Hybrid, and G6 models with applicable engine sizes
  - Heated oxygen sensor that monitors exhaust oxygen levels to optimize fuel injection and reduce harmful emissions
  - Compatible with 3.6L, 3.5L (1st design), and 2.4L engines across multiple GM vehicle platforms
  - Requires professional programming and special setup procedures per GM Service Information for proper installation and operation

• Condition: New

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