Cummins 3077715 Fuel Injector Assembly

Technical specifications for Cummins PT fuel injector part number 3077715. This mechanical injector operates on the Pressure-Time (PT) fuel system principle, delivering metered fuel to the combustion chamber of Cummins K19, KTA19, and QSK19 series diesel engines. The injector body is constructed from high-speed steel to withstand high-cycle fatigue and abrasive wear. It features a multi-hole nozzle spray pattern optimized for direct injection combustion chambers. The assembly includes the injector body, nozzle valve, spring, and shims calibrated to OEM opening pressure specifications. Cross-reference interchange includes OEM numbers 3077716, 3042425, 092002, and remanufactured number 3076132. Applications span marine propulsion, heavy-duty truck, construction machinery, and industrial generator sets powered by the K19 platform.