Alliant Power AP60900 Remanufactured G2.8 Fuel Injector (2003 ONLY)
Restore your truck’s lost horsepower, smooth out a rough idle, and eliminate hard starting with the premium Alliant Power AP60900 Remanufactured G2.8 Fuel Injector. Engineered specifically for 2003 Ford 6.0L Powerstroke and Navistar VT365 diesel engines, this injector is rebuilt to strict original equipment specifications using state-of-the-art cleaning, assembly, and test procedures.
Don't settle for unverified, budget rebuilds. Alliant Power is the nation's leading distributor of aftermarket diesel engine fuel systems. Choosing this unit delivers genuine OEM-level reliability, optimal fuel atomization, and a perfect drop-in fitment.
Key Product Highlights
- Certified Manufacturing Excellence: Assembled in a facility that holds prestigious ISO 9001:2015 and MERA Manufactured Again certifications to guarantee top-tier quality control.
- Maximize Horsepower & Efficiency: Built utilizing precision tolerances to minimize internal oil leakage, maintaining high injection control pressures (ICP).
- Complete Installation Kit: Ships with everything required to complete the job cleanly, saving you from purchasing extra seal kits.
- Industry-Leading Protection: Backed by an extensive 24-month, 100,000-mile warranty for long-term peace of mind on the road.
- Made in the USA: Proudly remanufactured and quality-tested in the United States.
What's In The Box?
Every injector comes fully equipped and ready for installation:
- 1x G2.8 Remanufactured Injector with coil harness and connector
- 1x Chamber Gasket (Pre-installed)
- 2x High-Quality Sealing O-rings (Pre-installed)
Vehicle Fitment & Technical Specs
⚠️ CRITICAL FITMENT NOTE: This fuel injector is strictly for early-model 2003 production engines built BEFORE September 22, 2003. Please verify your engine build date or engine serial number prior to purchasing to ensure compatibility.
- SKU / Part Number: AP60900
- Engine Application: Ford 6.0L Power Stroke / Navistar VT365,
- Compatible Vehicles: 2003 Ford F-250, F-350, F-450, F-550 Super Duty, and 2003 Ford Excursion,
- Ford Serial Numbers (Indiana Built): 6,000,000 to 6,155,636
- Ford Serial Numbers (Alabama Built): 0 to 137,745
6.0L Powerstroke Troubleshooting & "Stiction" Guide
What is 6.0L Injector "Stiction"?
Stiction is static friction that builds up inside the injector's internal spool valve. When this static friction becomes greater than the magnetic force created by the injector coils, it causes a delayed spool valve response or causes the valve to stick entirely.
Because the spool valve operates within an engine oil environment, stiction is highly temperature-dependent. Cold temperatures increase engine oil viscosity, which severely worsens stiction symptoms. As the engine warms up and the oil thins out, these driveability symptoms typically disappear.
Common Symptoms of Injector Stiction
According to Alliant Power Technical Bulletin APTB 01/09, if your truck experiences the following symptoms when the engine is cold, but they improve or disappear completely once the engine reaches normal operating temperatures, you are almost certainly dealing with a stiction issue:
- Hard starting or a complete no-start condition.
- Rough running or sluggish engine performance.
- White exhaust smoke or a heavy raw-exhaust odor.
- Misfires on acceleration or multiple cylinder misfires.
- Persistent engine missing at high RPMs.
Top 4 Causes of 6.0L Injector Stiction
- Extended Oil Change Intervals: This is the leading cause of stiction. High soot levels and old oil contaminants dramatically increase friction inside the spool valve bore.
- Incorrect Oil Viscosity: Running heavy oil in cold climates slows down valve movement.
- Long Engine Idle Times: Excessive idling prevents the engine from reaching correct operating temperatures and rapidly increases soot buildup in your engine oil.
- Unaided Cold Starts: Malfunctioning glow plug systems or failing to wait for the glow plug light to turn off exacerbates the condition.
Frequently Asked Questions (FAQ)
Q: Should I automatically replace my injectors if they show stiction symptoms?
A: No. Alliant Power explicitly recommends against automatic replacement. Most stiction-afflicted injectors are not permanently damaged. If you replace the injectors without correcting the underlying oil or calibration issue, the stiction problem will quickly return on the brand-new set.
Q: How can I eliminate stiction before installing new injectors?
A: Start with the two main corrective procedures outlined by the manufacturer:
- Change Your Oil & Filter: Adhere religiously to strict oil change intervals (5,000 miles for severe duty; 7,500 miles for normal duty) using premium API CJ-4 or CI-4 PLUS rated oil. Ensure you are using the correct winter viscosity for your climate.
- Perform a FICM Calibration Update: Ensure your vehicle has the Ford TSB 08-26-3 (or later) FICM calibration flash. This update introduces inductive heating to the injector coils, locally heating the oil inside the injectors right after starting to quickly eliminate cold stiction.
Q: Can I use a click/buzz test to accurately diagnose sticky injectors?
A: No. Standard electrical click/buzz tests or power balance tests on a cold engine give misleading results. The click/buzz test does not energize the injector coil long enough to overcome cold stiction (when oil temperature is below 80°F).
Q: What non-stiction conditions can mimic these exact injector symptoms?
A: Before replacing parts, verify that your issue isn't being caused by slow engine cranking (weak batteries or bad starter), low injection control pressure (ICP), poor fuel quality (gelled fuel or waxed filters), or FICM electrical ground issues.
Q: What are the warranty requirements regarding stiction?
A: When submitting a warranty claim, Alliant Power reserves the right to request proof of a recent oil change (showing date and mileage) as well as confirmation that the TSB 08-26-3 FICM inductive heating calibration has been completed on the truck.
OEM & Brand Cross-Reference Numbers:
Ford / Motorcraft & Navistar / International Numbers: Comprehensive cross-references are available in the referenced source documents.
- Ford/Motorcraft: 3C3Z9E527EBRM, 3C3Z9E527EARM, 3C3Z9E527AE, 3C3Z9E527ABRM, 3C3Z9E527ECRM, 7E7Z9E527AA, CN5020RM,
- Navistar/International: 1843089C95, 1843481C95, 1845879C91, 1878281C92, 1878282C92
Why Trust Alliant Power Fuel Systems?
Precision is vital when dealing with the HEUI system in early 6.0L Powerstrokes, as minor pressure deviations can cause severe performance issues. Alliant Power builds components to strict OEM-level testing tolerances to ensure reliable operation under maximum load
Proudly Made In The USA
This product fits the following vehicle configurations:
| YEARS |
VEHICLE MFG |
ENGINE MFG |
ENGINE |
APPLICATION |
NOTES |
FOOTNOTES |
ENGINE SERIAL NUMBER(S) |
OEM CROSS-REFERENCE |
| 2003-09/21/2003 |
Ford |
Ford |
6.0L Power Stroke |
F-250 / F-550, Excursion |
Engines built BEFORE 09/22/2003. |
|
6,000,000 to 6,155,636 (Indiana built) |
3C3Z9E527EBRM, 3C3Z9E527EARM, 3C3Z9E527AE, 3C3Z9E527ABRM, 3C3Z9E527ECRM, 6918-PP |
| 2003-09/21/2003 |
Ford |
Ford |
6.0L Power Stroke |
F-250 / F-550, Excursion |
Engines built BEFORE 09/22/2003. |
|
0 to 137,745 (Alabama built) |
3C3Z9E527EBRM, 3C3Z9E527EARM, 3C3Z9E527AE, 3C3Z9E527ABRM, 3C3Z9E527ECRM, 6918-PP |
| 2003-09/21/2003 |
Ford |
Ford |
6.0L Power Stroke |
F-650 / F-750 |
Engines built BEFORE 09/22/2003. |
|
0 to 112,360 (Alabama built) |
3C3Z9E527EBRM, 3C3Z9E527EARM, 3C3Z9E527AE, 3C3Z9E527ABRM, 3C3Z9E527ECRM, 6918-PP |
| 2002½-2003 |
Navistar |
Navistar |
VT365 |
VT365 |
|
|
N/A |
1843089C95, 1843481C95, 1845879C91, 1878281C92, 1878282C92, 6918-PP |
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