Cummins original For QSK38 QSK19 QSK50 QSK60 Engine Fuel Injector 4964172 4955526 2882079 2867147 for Construction Machinery Replacement for OEM original new injector

For maintenance teams supporting large Cummins diesel engines, the Cummins QSK19 Diesel Fuel Injector 4964172 is positioned as a heavy-duty common-rail fuel injection component for QSK19 applications. Its role is to support accurate fuel metering and high-pressure fuel atomization, helping maintain stable combustion, recover engine power, support fuel economy, and sustain reliable operation during long service hours. The QSK19-Series context includes a 19-liter inline six-cylinder platform using a high-pressure fuel pump, Modular Common Rail fuel system, and integrated electronic control.

This injector is relevant to B2B replacement programs across diesel generator sets and G-Drive engines, mining trucks and excavators, marine propulsion and auxiliary engines, oilfield frac units, drilling rigs, rail equipment, construction machinery, industrial power units, and emergency or rental power systems. Its broad application coverage makes it suitable for diesel repair shops, fleet maintenance companies, heavy equipment repair providers, and engine rebuilders seeking a clearly identified QSK19 injector reference.

The main number is 4964172, with 4964172RM listed as a reman or supplier number. Market-related references include 4964171, 4964170, 4955524, Y431K05417, Y431K05558, and F00BL0J018; these are cross-reference signals, not an official Cummins interchange confirmation. Related listings may also associate the number group with K19, KTA19, and QSK38 searches. Before quotation or shipment, confirm fitment using the engine serial number, CPL, removed injector number, injector body marking, fuel system type, ECM calibration, and equipment model.