Cummins 5348293 Common Rail Fuel Injector Assembly

The Cummins 5348293 is a common rail fuel injector assembly manufactured by Bosch (part number 0445120489) for the Cummins QSL9 8.9L diesel engine series. It utilizes a solenoid-actuated control valve (F00RJ02806) and a multi-hole nozzle (DLLA120P2613) to deliver precise fuel metering at rail pressures up to 1800 bar. Designed for direct replacement in heavy-duty applications including hydraulic excavators, wheel loaders, motor graders, and industrial power generation units equipped with QSL9, ISLe9, or QSL8.9 engines. The injector operates on a 24V electrical system and features a standard Bosch 2-pin connector interface. Cross-reference interchange includes Cummins part numbers 4940170 and 5263308. Verify fitment via engine serial number (ESN) and original stamped part number on the unit before ordering. Supersession logic applies; ensure compatibility with specific engine calibration codes.