Ford F81Z-9N622-AB - INDICATOR ASY 1999-2003 Ford F250 F350 F450 Excursion 7.3L Diesel Air Filter Intake Gauge OEM Ford Motorcraft, 7.3L Diesel Engine Air Filter Intake Indicator Gauge F-250 F-350 F-450 F-550 Super Duty Excursion F81Z9N622AB Motorcraft