ACDelco 2131694 GM Genuine Parts Oxygen Sensor

The ACDelco 2131694 is a GM Genuine Parts oxygen sensor designed as a direct replacement for General Motors vehicles. This OE-quality O2 sensor serves as a critical feedback sensor in your vehicle's exhaust system, continuously monitoring oxygen levels in exhaust gases to optimize engine performance.

Key Features:

• Measures oxygen proportion in exhaust gases to enable precise air/fuel ratio adjustment
• Helps the engine control module (ECM) maintain optimal 14.7:1 air/fuel ratio for peak efficiency
• Designed, engineered, and tested to rigorous GM standards for exact fit and function
• Center position O2 sensor for specific GM vehicle applications
• Manufactured to original equipment specifications for reliable performance
• Backed by ACDelco's 12-month/12,000-mile warranty

This oxygen sensor plays a vital role in optimizing combustion efficiency, reducing emissions, and maximizing fuel economy. When your O2 sensor fails, engine performance suffers and fuel consumption increases. The ACDelco 2131694 restores proper sensor function with the same quality and durability expected from genuine GM parts. This sensor undergoes extensive testing under extreme conditions to ensure long-term reliability in demanding exhaust system environments.