- Upgrade your vehicle's performance with the Mass Air Flow Sensor BC31-12B579-AA, designed for specific Ford models including the Transit Connect Titanium, XL, XLT (2.5L L4 - CNG, Gas, LPG) from 2014-2015; F-250 Super Duty (6.7L V8 Diesel) from 2011-2016; F-350 Super Duty (6.7L V8 Diesel) from 2011-2016; and Escape S (2.5L L4 Gas) from 2013-2016. - Features an installation hole diameter of 4.5mm (0.18 inches) for easy integration. - Constructed from high-quality plastic and metal, ensuring durability and reliability under various conditions. - This lightweight and portable air flow meter sensor is designed for a perfect fit in your vehicle, providing a convenient, direct replacement that enhances engine efficiency. - Ideal for improving fuel efficiency, optimizing engine performance, and reducing emissions, making it suitable for everyday driving or heavy-duty use. - Practical applications include everyday commuting, towing heavy loads, or off-road adventures, ensuring your vehicle operates at its best in all scenarios. - Trust in this essential component to maintain your Ford's performance and longevity.