Cummins ISC ISL Fuel Injector | 5579409PX | 8.9L | Remanufactured

Remanufactured Cummins ReCon fuel injector (part number 5579409PX) for Cummins 8.9L ISC and ISL diesel engines (EPA13). This is a Cummins ReCon exchange unit — remanufactured to Cummins specifications — and is supplied with a core charge. It restores OE-spec fuel delivery and spray pattern.

Key Features:

• Cummins ReCon remanufactured fuel injector, part number 5579409PX
• Remanufactured to Cummins specifications (ReCon exchange unit)
• Fits Cummins 8.9L ISC and ISL engines (EPA13 emissions)
• XPI-style injector; installs with the injector connector tube
• Restores OE-spec fuel atomization and spray pattern

Specifications:

• Base part number: 5579409PX (Cummins ReCon)
• Component type: Common-rail (XPI) fuel injector
• Condition: Remanufactured (Cummins ReCon exchange — core charge applies)
• Engine make: Cummins
• Engine models: 8.9L ISC, ISL (EPA13)
• Cummins references: 2872331, 2872331PX, 5579409, 5579409R

Compatibility / Fitment:

• Fits Cummins 8.9L ISC and ISL diesel engines (EPA13 emissions era)
• Remanufactured exchange unit — a core charge applies and the old injector must be returned per core policy
• Install with the injector connector tube (Cummins 2872288) as needed
• One injector per cylinder — order to match your cylinder count
• Verify by engine serial and Cummins part number before ordering

Conclusion:

The Cummins 5579409PX is a remanufactured Cummins ReCon fuel injector for 8.9L ISC and ISL engines (EPA13), rebuilt to Cummins specifications and supplied as a core-charge exchange unit. It restores factory-spec fuel delivery for dependable operation. Verify your engine serial and part number, and note the core return requirement, before ordering.