Hitachi Mass Air Flow (MAF) sensors measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for increased durability and accurate airflow measurements. Hitachi MAFs are tested at 100% airflow for ideal performance and are calibrated for each application, ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (where applicable) and protected circuitry providing a durable and reliable product approved by OEMs make Hitachi Mass Air Flow Sensors the premium choice.