ACDelco 12668435 Heated Oxygen Sensor

The ACDelco 12668435 Heated Oxygen Sensor is a GM Genuine Parts oxygen sensor designed to monitor exhaust gas composition and optimize engine performance. This feedback sensor measures the proportion of oxygen in exhaust gases, providing critical data to the engine control module (ECM).

Key Features:

• Enables the ECM to adjust the air/fuel ratio to near the optimal value of 14.7:1
• Optimizes engine performance, emissions, and fuel economy
• Designed, engineered, and tested to rigorous standards and backed by General Motors
• Heated sensor design for faster response time and accurate readings
• True OE part installed during production or validated by General Motors for GM vehicles

This genuine ACDelco oxygen sensor provides the same performance, durability, and service life you expect from General Motors original equipment. Detects oxygen content in the exhaust gases to help optimize emissions. Note that this part may require programming and special setup procedures for proper operation in your vehicle.