Cummins original 2872056 Common Rail Fuel Injector Replacement for OEM Cross Ref 4326959 2872284 Fits ISX15 QSX15 Engines for Truck Generator Set original new injector

Engineered for demanding industrial and heavy-duty diesel applications, the Cummins 2872056 common rail fuel injector delivers reliable performance across the ISZ13 and QSZ13 engine platforms. This original OE injector is manufactured to precise standards, ensuring accurate fuel metering, high-pressure atomization, and consistent ECU response across a power range from 425HP to 560HP. It is a direct fit for ISZ425, ISZ430, ISZ450, ISZ460, ISZ480, ISZ500, ISZ520, ISZ525, and ISZ560 engine variants.

The 2872056 injector is cross-referenced to 4307217, 2872284, 4326959, 2872405, 4326989, 2872544, 2894920, and 2897320, simplifying sourcing for repair shops and fleet operators. Its design provides anti-leakage performance, high-temperature resistance, and long service life, making it well suited for heavy-duty tractor trucks, dump trucks, mixer trucks, mining trucks, construction machinery, generator sets, agricultural equipment, marine auxiliary units, and oilfield diesel power systems worldwide.

Common failure symptoms addressed by this injector include hard starting, rough idle, misfire, black or white smoke, high fuel consumption, low power, and diesel knock. Recommended diagnosis covers rail pressure testing, return flow testing, spray pattern testing, cylinder balance testing, wiring inspection, and ECU scanning. To maximize service life, use clean diesel, replace fuel filters on schedule, drain the water separator, and store unused injectors in sealed dry packaging.