The original HFCM filter drain plug on certain Ford Power Stroke engines is prone to corrosion, seizing and stripping, making draining water a messy hassle. This Dorman OE FIX drain valve has an innovative, time-saving ball valve design for faster and more reliable filter access that speeds draining. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Ford Excursion: 2003, 2004, 2005] - [Ford F-250 Super Duty: 2003, 2004, 2005, 2006, 2007] - [Ford F-350 Super Duty: 2003, 2004, 2005, 2006, 2007] - [Ford F-450 Super Duty: 2003, 2004, 2005, 2006, 2007] - [Ford F-550 Super Duty: 2003, 2004, 2005, 2006, 2007]