OEM Air Intake Filter Wear Indicator 2008-2009 Ford F Series Sd 6.4L Diesel Height: 4.000 Width: 4.000 Length: 6.000 Fitment: 2008-2009/Ford/F-250 Super Duty::6.4L Diesel V8 2008-2009/Ford/F-350 Super Duty::6.4L Diesel V8 2008-2009/Ford/F-450 Super Duty::6.4L Diesel V8 2008-2009/Ford/F-550 Super Duty::6.4L Diesel V8