Ford F150 4.6L 2004-2008 Fuel Injector Set of Four 4L3Z9F593BA

Fits Ford F-150 2004-2008 4.6L models and some 2000-2003 similar models, precisely matching original fuel system requirements. This four-piece fuel injector set atomizes fuel and injects into cylinders, stabilizing combustion efficiency and power, reducing typical issues like rough idle and sluggish acceleration. OEM numbers include 4L3Z9F593BA, FJ867, 322-05440A-O, 4L3E-B4C, and 04861238AB for cross-checking compatibility with original system. Replacement difficulty moderate; install with a torque wrench to spec and replace seals to prevent leaks. This pump-nozzle kit uses standard pressure and voltage design, uniform packaging size, suitable for bulk purchasing or stock, significantly reducing repair rework.