2872331PX Fuel Injector | Cummins ISC 8.3L ISL 8.9L | XPI | Torque Diesel | Remanufactured

Torque Diesel remanufactured fuel injector, part number 2872331PX, for Cummins ISC 8.3L and ISL 8.9L engines with the XPI high-pressure common rail fuel system, EPA13 emissions era. The clean base number is 2872331, and Cummins also references this injector as 5579409PX. Every unit is completely disassembled, inspected, and 100% end-of-line tested to OEM specification.

Key Features

• Completely disassembled and inspected — any component outside OEM spec is replaced, then components are cleaned and re-inspected
• 100% nozzle replacement on every unit
• Assembled by factory-trained technicians
• 100% end-of-line tested on OEM test equipment, to OEM specification, by OEM-trained technicians
• Restores OE fuel atomization and fuel delivery
• Remanufactured in the U.S. and Mexico, backed by more than 80 years of diesel fuel injection experience

Specifications

• Part number: 2872331PX
• Base part number: 2872331
• Cummins alternate reference: 5579409PX
• Component type: Fuel injector
• Condition: Remanufactured
• Fuel system: Cummins XPI high-pressure common rail
• Engine: Cummins ISC 8.3L and ISL 8.9L
• Emissions era: EPA13
• Sold as: each (the ISC and ISL are inline-sixes and take six injectors)

Warranty

Two-year unlimited-mileage warranty covering defects in materials and workmanship, plus up to $750 in labor coverage. Claims are handled through your local M&D location or the M&D warranty team.

Compatibility & Fitment

• Engines: Cummins ISC 8.3L and ISL 8.9L, XPI fuel system, EPA13
• Equipment: medium-duty and vocational trucks, buses, and industrial equipment powered by the Cummins C and L platforms

Fitment gate — this is the XPI common rail injector for the EPA13 emissions era. The C and L platforms used different fuel systems across their production run, and injectors do not carry across them. Confirm your engine is XPI before ordering.

Second fitment gate — confirm your engine serial number and CPL before ordering a full set, and check the part number stamped on the injector you are removing.

Also referenced as: 2872331, 5579409PX

Conclusion

This is a Torque Diesel remanufactured XPI injector for the Cummins ISC 8.3L and ISL 8.9L, also carried under the Cummins reference 5579409PX. Full disassembly, 100% nozzle replacement, and end-of-line testing to OEM specification on OEM equipment restore the fuel atomization and delivery the engine calibration depends on. Confirm your engine is XPI and verify your CPL before ordering.