ACDelco 55574135 GM Original Equipment Heated Oxygen Sensor

The ACDelco GM Original Equipment Heated Oxygen Sensor is a vital component for your vehicle's exhaust system. This sensor measures the oxygen content in exhaust gases, allowing the engine management computer to optimize the air/fuel ratio for improved performance, emissions, and fuel economy. Designed as a direct replacement for your GM vehicle's original part, it ensures the same quality, reliability, and durability expected from General Motors. Manufactured to meet GM OE specifications, this sensor guarantees a perfect fit and function. • Detects oxygen content in exhaust gases to optimize emissions and fuel economy • GM-recommended replacement part for your GM vehicle’s original factory component • Offers the quality, reliability, and durability of GM OE • Manufactured to GM OE specification for fit, form, and function