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Oxygen by GM. Details:GM Genuine Parts Oxygen O2 Sensors are designed engineered and tested to rigorous standards and are backed by General Motors. These sensors are special feedback sensors on your vehicle’s exhaust system and measure the proportion of oxygen in exhaust gases. Using this measurement the engine control module ECM can adjust the air/fuel ratio to near the optimal value of 14.7:1. At this ratio engine performance emissions and fuel economy are all optimized. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment OE.
- Detects oxygen content in the exhaust gases to help optimize emissions
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality reliability and durability of GM OE
- Manufactured to GM OE specification for fit form and function