This DELPHI Mass Air Flow (MAF) Sensor, part number AF10442-12B1, is engineered to accurately measure the volume and density of air entering your vehicle's engine. By providing precise air intake data to the engine control unit (ECU), this sensor ensures the correct amount of fuel is injected for optimal combustion. This leads to improved engine performance, better fuel efficiency, and reduced emissions. Designed as a direct replacement, installation is straightforward. Trust DELPHI for reliable and accurate airflow measurement to keep your engine running smoothly.