Details

• Brand:

  

• SKU:

  12572705

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

  Oxygen Sensor, 856

• Description:

  The Genuine GM OEM Heated Oxygen Sensor (MPN: 12572705) is engineered to monitor oxygen content in exhaust gases across multiple GM truck and SUV platforms, including Silverado, Sierra, and Hummer H2 models equipped with 4.3L, 4.8L, 5.3L, 6.0L, and 8.1L engines. This critical emissions component optimizes fuel mixture and reduces harmful exhaust pollutants for improved engine performance and compliance. As a Factory GM part, it meets stringent quality standards and is backed by General Motors' warranty and engineering excellence. - **Part Type:** OEM Heated Oxygen Sensor for emissions monitoring and engine control - **Vehicle Fitment:** Genuine GM replacement for Silverado, Sierra, Hummer H2; compatible with 4.3L, 4.8L, 5.3L, 6.0L, and 8.1L engine applications - **Primary Function:** Detects exhaust oxygen levels to optimize air-fuel ratio and reduce emissions output - **Condition & Warranty:** Authentic Genuine GM OEM part, factory-engineered and tested to manufacturer specifications - **Installation Note:** Requires GM service procedures and programming; consult GM Service Information for specialized setup and tool requirements

• Condition: New

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