GM Genuine Parts Oxygen Sensor ASM-HTD OXY OE Replacement, Optimizes Fuel Economy and Emissions

GM Genuine Parts Oxygen Sensor ASM-HTD OXY OE Replacement, Optimizes Fuel Economy and Emissions Designed, engineered, and tested to rigorous standards by General Motors Measures the proportion of oxygen in exhaust gases for optimal engine performance Helps the engine control module (ECM) adjust the air/fuel ratio to approximately 14.7:1 Optimizes engine performance, emissions, and fuel economy True OE parts installed during production or validated by General Motors for GM vehicles