The Alliant Power AP65122 is a remanufactured 48V FICM (fuel injection control module) for 2003–2004 Ford 6.0L Powerstroke applications. Alliant’s Fuel Injector Control Module manages fuel-injection control signals for the engine fuel system.

Features & Benefits

• Remanufactured Alliant Power 48V FICM (Fuel Injection Control Module) (Alliant P/N AP65122)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for 4C3Z-12B599-CRM / HC3Z-12B599-ARM / HC3Z-12B599-FRM
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Application

• Ford Excursion / F-250 Super Duty / F-350 Super Duty / F-450 Super Duty / F-550 Super Duty (2003–2004)
• Ford E-350 Club Wagon / E-350 Super Duty / E-450 Super Duty (2004)
• Full Force Diesel lists this FICM for 2003 6.0L trucks built through 9/21/03; match the OE number on your original module (Alliant cross-reference 4C3Z-12B599-CRM) before ordering.

Always verify fitment against your VIN, engine, and OE part number before ordering.

Cross-Reference / Replaces

• Ford: 4C3Z12B599, 4C3Z12B599AARM, 4C3Z12B599AB, 4C3Z12B599ABRM, 4C3Z-12B599-CRM, HC3Z-12B599-ARM, HC3Z-12B599-FRM
• Motorcraft: FICM-1-RM
• Navistar: 1837127, 1887099, 1838078C94
• Alliant Power: AP65122

Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).

A refundable core charge is added at checkout and refunded when your old FICM is returned per our core terms.