An ACDelco GM Original Equipment Air Mass Sensor is a key part of the engine management system, and is a GM-recommended replacement for your vehicle's original component. The Air Mass Sensor measures the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject. This ensures the most efficient air/fuel mixture for the best fuel economy and power, while reducing harmful exhaust emissions. This original equipment mass air flow sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Product Features:Measure the amount of air entering the engine so that the engine control module can determine the amount of fuel to injectUndergo the same stringent testing process as the original partGM-recommended replacement part for your GM vehicle's original factory componentOffering the quality, reliability, and durability of GM OEManufactured to GM OE specification for fit, form, and function
