8 Pieces Fuel Injector 5C3Z9F593DA 5C3E-DB for Ford F150 F250 F350 5.4L V8 Triton 2005-2007
This fuel injector is engineered as a direct replacement for the Ford F150 F250 F350 5.4L V8 Triton 2005-2007. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Ford F150 V8 5.4L2005 | 2007 |
| Ford F250 Super Duty V8 5.4L2005 | 2007 |
| Ford F350 Super Duty V8 5.4L2005 | 2006 |
| Ford Expedition V8 5.4L2005 | 2006 Lincoln Navigator V8 5.4L2006-2007 Lincoln Mark LT V8 5.4L |
Replaces OEM Part Numbers
5C3Z9F593DA • 5C3Z9F593DC • 800-1794N • 8001794N • FI11370S • 822-11198 • 82211198 • 8S4Z9F593A • FJ817 • 4G2142 • 5C3E-DB • 5C3EDB
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injectors & nozzle may be the cause:
- Rough idle or misfire — Uneven fuel delivery from a worn injector causes the engine to shake at idle. On Ford engines, this is often accompanied by a knocking sound under load.
- Black or white exhaust smoke — Black smoke means excess fuel; white smoke indicates incomplete combustion. Both point to injector spray pattern degradation.
- Loss of engine power — A single failing injector reduces cylinder output. Multi-cylinder engines lose noticeable power when one injector flows less than the rest.
- Increased fuel consumption — Poor atomization means the engine burns more fuel to produce the same power. Monitor your fuel burn rate as an early warning sign.
- Hard starting or no start — If the injector doesn’t deliver fuel on cranking, the cylinder won’t fire. This is especially common in cold weather with worn nozzles.
- Fuel in engine oil (dilution) — Fuel leaking past the injector seat seal contaminates the crankcase oil. If the oil level rises or smells of diesel, inspect the injectors immediately.
Replace as a Set
Replace all injectors as a set whenever possible. On Ford engines, mixing old and new injectors creates uneven fuel delivery — the new injectors compensate for the worn ones, shortening their life. When installing, use new copper sealing washers and torque to the specification in the service manual. After installation, run the engine at idle for 5 minutes to bleed air from the fuel system, then check for leaks at each injector connection before putting the machine under load.
Frequently Asked Questions
Will this fit my Ford F150?
Yes. This part is designed to fit the Ford F150, F250, F350 among other models listed in the compatibility table above. Verify your specific model and engine code before ordering to ensure the correct fit.
Can I cross-reference 5C3Z9F593DA with 5C3Z9F593DC?
Yes. Both 5C3Z9F593DA and 5C3Z9F593DC are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My engine code is FJ817 with a 5.4L displacement – is this the right part?
Yes. Engine code FJ817 with 5.4L displacement is within the supported range for this part. The full list of compatible engine codes includes: FJ817. Confirm your engine code on the data plate attached to the engine block.
This listing is for 8 pieces – do I need to buy a full set?
This listing includes 8 units. For best results, replace all injectors at the same time rather than one at a time. Mixing old and new units causes uneven fuel delivery and shortens the life of the new parts.
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