ACDelco 12681390 Heated Oxygen Sensor

The ACDelco 12681390 is a premium heated oxygen sensor designed to monitor exhaust gas oxygen content and provide critical feedback to the engine control module for optimal air-fuel ratio management. This sensor helps ensure proper engine performance, fuel efficiency, and emissions control.

Key Features:

• Heated oxygen sensor design for faster response time and accurate readings
• Direct replacement for GM OEM part number 12681390
• Engineered to meet or exceed original equipment specifications
• Precision-manufactured for reliable performance and durability
• Essential for proper engine management and emissions compliance

ACDelco oxygen sensors are built with high-quality materials to withstand extreme exhaust temperatures and harsh operating conditions. This sensor plays a vital role in maintaining engine efficiency by continuously monitoring oxygen levels and enabling the ECM to adjust fuel delivery for optimal combustion.