The Hitachi Mass Air Flow Sensor (MAF0057) is a reliable and accurate device that measures the amount of air entering your vehicle's engine. This sensor is designed to improve fuel economy and engine performance, while providing a more consistent and accurate air/fuel mixture. It features a durable construction and is easy to install, making it a great choice for any car or truck owner. The MAF0057 is a great addition to any vehicle and will ensure your engine is running at its peak performance.