An ACDelco GM Original Equipment Mass Air Flow Sensor Kit has everything you need to replace your vehicle’s Mass Air Flow (MAF) sensor, and is a GM-recommended replacement for your vehicle’s original component. Replace your contaminated or inoperative sensor with a new ACDelco GM OE Mass Air Flow Sensor. This mass air flow sensor kit has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.