Cummins original Common Rail Fuel Injector 4928262 Replacement for OEM Fits QSX15 ISX15 X15 Diesel Engines for Truck Excavator Sprayer Auto Cross Ref: 4062569 4088301 4088327 original new injector

Built for demanding diesel service channels, the Cummins 4928262 fuel injector delivers dependable performance across ISX15, QSX15 and X15 platforms, with a reman HPI listing supporting HPI ISX15 engines. The unit also serves QSK15, QSKX15 and Cummins 15L inquiry matching, though direct QSK15 fitment must be confirmed by ESN, CPL and the original injector number. The QSX15 is a 15-liter, 6-cylinder heavy-duty engine rated at 500–675 hp and 1650–2050 lb-ft torque, with G-Drive ratings of 373–453 kW prime and 407–500 kW standby.

Engineered for precision fuel delivery and fine atomization, this injector supports stable idle, power recovery and reduced smoke potential. Broad cross-reference coverage — including 4928262NX, 4928262PX, 4928262RX, 1731091, 570016 and 1499714 — provides strong number recognition and reliable PX/RX/NX search coverage for repair shops. Optional full-set supply, testing support and global aftermarket availability make it a practical choice for fleet and industrial maintenance.

For best service life, use clean diesel fuel, replace fuel filters on time, drain the water separator and keep tank and fuel lines clean. When performance problems such as hard starting, rough idle, black smoke or power loss appear, verify fuel pressure, return-flow, ECM fault codes and cylinder cut-out results. Actual maintenance intervals must follow the exact engine manual, fuel quality and duty cycle.