Cummins original 4010025 Diesel Fuel Injector Pump Replacement for K19 KTA19 QSK19 QSK60 QSK23 Engines for Excavator Compatible with 4087886 4087888 4087889 4087894 original new injector

Built for the demands of continuous heavy-duty operation, the 4010025 fuel injector serves as a precision fuel delivery component for the Cummins QSK23 diesel engine family. This 23 L inline 6-cylinder platform delivers 760–950 hp / 567–708 kW and relies on a High Pressure Injection (HPI) system operating up to 29,000 psi, with G-Drive versions using an HPI-PT full-authority electronic fuel system. Public parts listings also group the 4010025 with broader Cummins QSK engines including QSK19, QSK45, and QSK60.

Engineered for reliability, the injector features a strong injector body, precision fuel metering, high-pressure compatibility, fine atomization, high-temperature resistance, and dependable sealing. It is offered in original-type form with an optional remanufactured supply and optional test support. Cross-reference matching against 4001813, 4087893, 4088427, 4326780, 4087886, 4010025NX, 4010025PX, and 4010025RX simplifies sourcing for repair shops and fleet maintenance operations.

This injector supports large mining excavators, mining trucks, generator sets, oilfield power units, construction machinery, crushing and mining power modules, rail and intermodal power units, industrial stationary engines, and marine auxiliary engines. To maximize service life, maintain clean diesel fuel, replace fuel filters on schedule, manage the water separator, and perform ECM diagnostics and return flow testing. Export-ready packaging ensures safe delivery for global industrial engine repair.