Cummins original Diesel Fuel Injector 0986435904, for heavy duty diesel engine application, 0986435614, 0986435615, 2882129 Replacement Part for Cummins Engines original new injector

Number-matched service is the starting point for selecting the Cummins QSK19 diesel fuel injector 0986435904, also identified as Bosch 0 986 435 904. This heavy-duty common-rail component is intended for large Cummins QSK engine service where the removed injector number confirms a match. Its functional focus is accurate fuel metering, high-pressure atomization and stable combustion, supporting engine power recovery, fuel economy and long-hour reliability in severe-duty operation.

Public listings associate the injector with Cummins QSK19, QSK38 and QSK50 applications. Equipment coverage includes generator sets and G-Drive engines, mining trucks and drills, marine propulsion and auxiliary engines, oilfield frac units, drilling rigs, rail equipment, industrial power units, construction machinery, and emergency or rental power systems. Related market references include 0986435615, F00BJ00006, F00BJ00007, 2881088 and 2882129, together with listed NX, PX, RX and KX suffix variants. These numbers support sourcing research but do not constitute final technical approval.

Before quotation or shipment, verify the engine serial number, CPL, removed injector number, injector body marking, Bosch and Cummins numbers, fuel system type, ECM calibration and equipment model. Adjacent part numbers should not be treated as direct replacements without old-injector confirmation. For engine context, Cummins describes the QSK19 Series as a 19-liter inline six-cylinder family; its listed G-Drive version uses a high-pressure fuel pump, Modular Common Rail fuel system and integrated electronic controls.