Delphi Fuel Injector P/N:EX631042
Delphi EX63804AE fuel injector for the 1999-2003 Ford E-350 Super Duty V8 7.3L and other vehicles sprays diesel fuel into the engine. Delphi diesel injectors are built to OE specifications for fit, form and function, and all Delphi injectors are tested using OE methodologies.
Hard cold starts, rough running or hesitation can point to a leaking, plugged or poorly spraying injector. Before you replace this Delphi fuel injector, rule out fuel supply and wiring problems first, since those can look much the same from the driver's seat.
This fuel injector is a direct-fit replacement for the 1999-2003 Ford E-350 Super Duty V8 7.3L, the 1999-2003 Ford F-250 Super Duty V8 7.3L and the 1999-2003 Ford F-350 Super Duty V8 7.3L, and for many other V8-7.3L vehicles. Each of those three Fords takes one injector, while several other models take eight. Owners of other vehicles can look up their own year and engine in the "Vehicles it fits" section.
Fit and size
Build and materials
One fuel injector and one instruction sheet.
Is this the right Ford F-250 Super Duty fuel injector for a 1999-2003 model with the V8 7.3L?
Yes. Delphi EX63804AE fits the 1999-2003 Ford F-250 Super Duty V8 7.3L, and that truck takes one injector. The "Vehicles it fits" section covers other years and models.
Does the Delphi EX63804AE come with an instruction sheet?
Yes. The package holds one fuel injector and one instruction sheet.
Does this diesel injector have internal seal rings?
No. The design has no internal seal rings, which minimizes leakage. It also has a recessed fuel exit that minimizes possible plugging.
What signs can a worn or leaking injector show?
Hard cold starts, rough running and hesitation can be signs of a leaking or plugged injector. A diesel shop can test the spray of an injector.
How does the Delphi EX63804AE help with vapor lock hesitation?
It thermally isolates the fuel from the engine by drawing manifold heat away from the fuel rail, which helps limit hesitation from vapor lock.
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