Photo 1 of AdvanEX Mass Air Flow Sensor 3L3U12B579AA Compatible with 2003-2005 Ford Excursion,2003-2007 Ford F-250/F-350/F-450/F-550 Super Duty Replaces 3L3Z12B579ARM

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Photo 1 of AdvanEX Mass Air Flow Sensor 3L3U12B579AA Compatible with 2003-2005 Ford Excursion,2003-2007 Ford F-250/F-350/F-450/F-550 Super Duty Replaces 3L3Z12B579ARMPhoto 2 of AdvanEX Mass Air Flow Sensor 3L3U12B579AA Compatible with 2003-2005 Ford Excursion,2003-2007 Ford F-250/F-350/F-450/F-550 Super Duty Replaces 3L3Z12B579ARM