A cracked fuel filter cap can lead to air in the fuel system. That can result in hard starting or potential fuel injector issues. A cracked fuel filter cap can also cause a fuel leak, which is definitely a bad idea on a hot engine. Never worry about that again with a Sinister Diesel Fuel Filter Cap. Constructed from a single solid aluminum billet, the Sinister Diesel Fuel Filter Cap is far stronger than the OEM plastic cap. It's anodized in Sinister Blue for corrosion resistance and features a 1/8th" NPT port for testing fuel pressure., Features:Impervious to cracking like the OEM fuel filter cap, CNC Machined from solid aluminum billet, Features a 1/8th" NPT port for fuel pressure testingIncludes:(1) Sinister Diesel Fuel Filter Cap, (1) O-Ring
Sinister Diesel Fuel Filter Cap for Ford Powerstroke 2003-2007 6.0L
This product has a blue anodized finish for extra protection and a clean and stylish appearance
6.0 Fuel Filter Cap

Fitment:
Ford E-350 Club Wagon Chateau 2004
Ford E-350 Club Wagon Chateau 2005
Ford E-350 Club Wagon XL 2004
Ford E-350 Club Wagon XL 2005
Ford E-350 Club Wagon XLT 2004
Ford E-350 Club Wagon XLT 2005
Ford E-350 Super Duty Base 2004
Ford E-350 Super Duty Base 2005
Ford E-350 Super Duty Base 2006
Ford E-350 Super Duty Base 2007
Ford E-350 Super Duty XL 2006
Ford E-350 Super Duty XL 2007
Ford E-350 Super Duty XLT 2006
Ford E-350 Super Duty XLT 2007
Ford Excursion Eddie Bauer 2004
Ford Excursion Eddie Bauer 2005
Ford Excursion Limited 2004
Ford Excursion Limited 2005
Ford Excursion XLS 2004
Ford Excursion XLS 2005
Ford Excursion XLT 2004
Ford Excursion XLT 2005
Ford F-250 Super Duty Harley-Davidson Edition 2004
Ford F-250 Super Duty Harley-Davidson Edition 2005
Ford F-250 Super Duty Harley-Davidson Edition 2006
Ford F-250 Super Duty Harley-Davidson Edition 2007
Ford F-250 Super Duty King Ranch 2004
Ford F-250 Super Duty King Ranch 2005
Ford F-250 Super Duty King Ranch 2006
Ford F-250 Super Duty King Ranch 2007
Ford F-250 Super Duty Lariat 2003
Ford F-250 Super Duty Lariat 2004
Ford F-250 Super Duty Lariat 2005
Ford F-250 Super Duty Lariat 2006
Ford F-250 Super Duty Lariat 2007
Ford F-250 Super Duty XL 2003
Ford F-250 Super Duty XL 2004
Ford F-250 Super Duty XL 2005
Ford F-250 Super Duty XL 2006
Ford F-250 Super Duty XL 2007
Ford F-250 Super Duty XLT 2003
Ford F-250 Super Duty XLT 2004
Ford F-250 Super Duty XLT 2005
Ford F-250 Super Duty XLT 2006
Ford F-250 Super Duty XLT 2007
Ford F-350 Super Duty Harley-Davidson Edition 2004
Ford F-350 Super Duty Harley-Davidson Edition 2005
Ford F-350 Super Duty Harley-Davidson Edition 2006
Ford F-350 Super Duty Harley-Davidson Edition 2007
Ford F-350 Super Duty King Ranch 2003
Ford F-350 Super Duty King Ranch 2004
Ford F-350 Super Duty King Ranch 2005
Ford F-350 Super Duty King Ranch 2006
Ford F-350 Super Duty King Ranch 2007
Ford F-350 Super Duty Lariat 2003
Ford F-350 Super Duty Lariat 2004
Ford F-350 Super Duty Lariat 2005
Ford F-350 Super Duty Lariat 2006
Ford F-350 Super Duty Lariat 2007
Ford F-350 Super Duty XL 2003
Ford F-350 Super Duty XL 2004
Ford F-350 Super Duty XL 2005
Ford F-350 Super Duty XL 2006
Ford F-350 Super Duty XL 2007
Ford F-350 Super Duty XLT 2003
Ford F-350 Super Duty XLT 2004
Ford F-350 Super Duty XLT 2005
Ford F-350 Super Duty XLT 2006
Ford F-350 Super Duty XLT 2007