Description
Description
Rebuilt fuel injector for Ford 7.3L Power Stroke engines (1994–1998). Manufactured by Alliant Power, this HEUI injector is designed to restore proper fuel delivery, engine balance, and dependable performance in early 7.3L Power Stroke applications.
Each injector is professionally rebuilt, calibrated, and tested to ensure proper fuel atomization and consistent cylinder-to-cylinder fueling. Proper injector performance is critical for maintaining power, fuel economy, throttle response, and overall engine reliability.
Worn or failing injectors can contribute to hard starts, rough idle, excessive smoke, poor fuel economy, cylinder misfires, and reduced engine performance. Replacing faulty injectors helps restore smooth operation and dependable service life.
All injectors should be verified before installation to ensure proper fitment and reliable operation.
Common Cross References
AP63800 AA
AP63800AA
F4TZ-9E527-AARM
1807996C91
1807996C92
AA Code Injector
(Fitment should always be verified by VIN and engine build date.)
Compatible Engines
Ford 7.3L Power Stroke
Model years 1994–1998
HEUI fuel system
Installed in Ford F-250, F-350, F-Super Duty, E-Series Vans, and commercial applications
📞 Need fitment confirmation?
Call (909) 639-4195 — we’ll verify compatibility before shipping.
Why Choose This Injector?
- Built by Alliant Power
- Tested for proper fuel delivery and injector balance
- Restores power, throttle response, and fuel economy
- Helps eliminate rough idle and hard-start conditions
- Designed for long-term reliability
- Direct replacement for AA-code injector applications
Core Policy
A core refund is available when your old injector is returned.
Cores must be received within 30 days of purchase to qualify.
Shipping & Support
- Free UPS Ground shipping
- Expedited shipping available
- Backed by Samperio Turbo Rebuild technical support
You’ll speak to diesel fuel system specialists, not call centers. Reliable support from people who understand Power Stroke fuel systems and the importance of keeping your truck operating at peak performance.




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