The diesel fuel in your truck contains contaminants dirt, water and air/vapor which is reducing power and damaging your diesel fuel injectors. aFe's POWER DFS780 Diesel Fuel System, with its patent-pending design, is capable of removing power-robbing debris such as air, water and other contaminants. The DFS780 also boosts fuel pressure ensuring constant availability for the high-pressure pump, improving throttle response and horsepower at all RPMs.

This Part Fits:

Year	Make	Model	Submodel
1999-2003	Ford	F-250 Super Duty	Lariat
1999-2003	Ford	F-250 Super Duty	XL
1999-2003	Ford	F-250 Super Duty	XLT
2003	Ford	F-350 Super Duty	King Ranch
1999-2003	Ford	F-350 Super Duty	Lariat
1999-2003	Ford	F-350 Super Duty	XL
1999-2003	Ford	F-350 Super Duty	XLT