Cummins original HPI Diesel Fuel Injector 4954888 ISX15 QSX15 Engines Fits Truck Excavator Sprayer Auto Cross Reference: 4384260 4954432 4954888RX original new injector

Engineered for demanding 15L-class diesel platforms, the Cummins 4954888 fuel injector delivers dependable performance across the QSK15, QSX15, ISX, ISX15 and X15 engine family. This injector supports precision fuel metering and stable atomization, helping restore engine power, support fuel economy, and reduce misfire risk under sustained heavy-duty operation. Its heavy-duty construction, high temperature resistance, and reliable sealing make it well suited for continuous industrial and off-highway duty cycles.

Designed as an original-quality OE replacement, part 4954888 cross references 1521978, 4088725, 4062569, 4928260, 4088665, 4088327 and 4384260, along with additional authorized numbers to simplify sourcing. It is compatible with electronic diesel injection systems including HPI and HPI-TP configurations, depending on engine build. The injector serves diesel generator sets, mining trucks, excavators, wheel loaders, drilling rigs, industrial compressors, marine auxiliary engines, heavy trucks and industrial power units across global markets.

With cross-number searchability, tested flow performance and export-friendly dry sealed packaging, this injector is ideal for generator service companies, mining and excavator repair workshops, engine rebuilders, fleet operators and diesel parts distributors. Final fitment must be confirmed by engine serial number, CPL, old injector number, injector body marking, fuel system type and equipment model to ensure correct application.