Cummins original Replacement for OEM 2894920PX Diesel Fuel Injector for X15 ISX15 QSX15 Engines Cross Reference 2894920 5579415 2894920NX Excavator Accessories original new injector

Engineered for demanding fleet and industrial duty cycles, this Cummins ISZ13 common rail fuel injector carries primary OE number 5263273 and delivers dependable performance across heavy duty diesel platforms. Built to match Cummins XPI high pressure system requirements, it serves as a direct replacement identified by cross numbers 5263273PX, 2894920PX, 5263270, 5263271, 2894920, and 5263273RX, supporting both ISZ13 and QSZ13 engine configurations.

The injector features high precision fuel metering and superior atomization technology to promote enhanced fuel economy and low emission performance. OEM-level calibration according to Cummins factory specifications ensures consistent spray behavior, while corrosion resistant construction and high pressure resistance are engineered to withstand XPI operating pressures. These attributes contribute to long service life under continuous load in trucks, buses, generator sets, construction machinery, and mining equipment.

Compatible applications include Freightliner Cascadia, Kenworth T660 and T680, Peterbilt 379 and 389, International trucks, and marine and power generation installations. For optimal results, clean the injector bore before installation, replace the sealing washer, inspect fuel rail condition, verify injector coding if applicable, and perform a leak test. Recommended diagnostic procedures include fuel pressure testing, cylinder cut-out testing, injector return flow testing, electronic resistance testing, ECU fault code scanning, injector balance testing, and spray pattern inspection for reliable service.