ACDelco 20787043 GM Original Equipment Mass Air Flow Sensor
- Measure the amount of air entering the engine so that the engine control module can determine the amount of fuel to inject.
- Undergo the same stringent testing process as the original part.
- 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.