Hitachi’s Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements even in the most extreme conditions. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Each Hitachi MAF has a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product. Designed to meet the needs of each specific vehicle, Hitachi’s air flow sensors are the premium choice.