Details

• Brand:

  

• SKU:

  12565397

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

  Oxygen Sensor, 810

• Description:

  # Heated Oxygen Sensor - GM OEM Part 12565397 The GM OEM Heated Oxygen Sensor (MPN: 12565397) is engineered to monitor oxygen levels in exhaust gases and optimize emissions performance across select GM vehicles, including Express vans, Savana models, and trucks with 6.0L and 8.1L engines weighing over 8,500 GVWR. This genuine General Motors part delivers reliable oxygen detection at critical exhaust positions—front and rear of converter locations—ensuring precise fuel mixture control and emissions compliance. Backed by GM's rigorous quality standards, this OEM sensor provides the accurate performance your vehicle requires. - Genuine OEM Heated Oxygen Sensor designed and tested by General Motors - Direct fit for select GM vehicles: Express, Savana, 6.0L and 8.1L gas engines, 8,500+ GVWR models - Continuously monitors exhaust oxygen content to optimize fuel efficiency and reduce harmful emissions - Fits front-of-converter and rear-of-converter mounting positions on compatible 8.1L engines - Requires professional installation with GM Service Information procedures and calibration tools for proper vehicle operation

• Condition: New
• Replaces:

  12563346

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