Cummins original OEM Replacement 1846348 Diesel Common Rail Fuel Injector Assembly Fits DT12.02 DC12.14 R420 Engines X15 For Excavator Truck Cross Ref 1464994 574398 original new injector

Engineered for demanding 15L Cummins power units, the 1846348 diesel fuel injector delivers dependable injection performance across the QSK15, QSX15, ISX15, and X15 engine family. Built for the 14.9L / 15L inline 6-cylinder heavy-duty platform, this injector suits electronic diesel injection, HPI, and HPI-TP fuel systems found on off-highway and generator configurations, including QSX15-G9 units with Full Authority Electronic control. Fitment should be verified by engine serial number, CPL, old injector number, injector body marking, fuel system type, and equipment model.

The injector features precision fuel metering, stable atomization, heavy-duty construction, high temperature resistance, and reliable sealing. These properties support engine power recovery, fuel economy, lower misfire risk, and tested flow performance. Broad cross-number searchability across references such as 5634701, 4030346, 4030348, and 4984854 makes sourcing efficient for repair shops, engine rebuilders, and global distributors, with export-friendly supply and B2B catalog-ready product data.

Applications include diesel generator sets, mining trucks, excavators, wheel loaders, drilling rigs, industrial compressors, marine auxiliary engines, and heavy trucks. It serves power generation, mining, construction, oil and gas, and fleet maintenance operations. For maximum service life, use clean diesel fuel, replace fuel filters on time, drain the water separator, control contamination during installation, and perform professional diagnosis when abnormal symptoms such as hard starting, black smoke, or power loss appear.