The 6.0L Powerstroke under the hood of your 04-07 Super Duty is only as reliable as the fuel system that supports it, which is why one of our high-quality air/fuel separators may be just what the doctor ordered. These upgrades help deliver a purer stream of fuel to your engine for performance and efficiency gains as well as longevity. Also be sure to check out our entire catalogue of engine parts for the 04-07 Super Duty. Ford Super Duty Fitments: 2004, 2005, 2006, 2007 Ford F250 & F350 6.0L Submodel Fitments: FX4, King Ranch, Platinum, Lariat, XLT, XL Some Exceptions apply, please see individual product pages for specific fitments.