Description:

Vehicle Fitment: Mass air flow sensor replacement for F-550 Excursion F-450 2003-2007. Replacement for Part Number: 3L3Z-12B579-AB. Strong: This product calculates the amount of oxygen flowing to the engine, thus helping to improve the engine efficiency. Advantages: This product has fast response time, Lightweight and portable, easy to install and clean. Note: It does not include the instruction manual, suggesting professional installation.