The Air Flow Meter 2S6Q12B579AB 5WK9631 5WK9631Z Mass Air Flow Meter Sensor is a precision device designed to measure the intake air flow rate in your Ford Fusion, Fiesta V, VI, F6JB engine. With a precision of 0.1kg/s, this sensor ensures accurate and reliable air flow measurements, helping your engine run at its optimal efficiency. Its small size makes it easy to install, and the Z variant even meets the tighter emissions standards for better environmental performance. Trust this sensor to provide you with accurate and reliable data, allowing you to monitor and optimize your engine's performance, ensuring maximum longevity and reliable operation.