Cummins 3077715 Fuel Injector Assembly

The Cummins 3077715 is a PT-type fuel injector designed for K19, KTA19, KTA19G, and QSK19 series diesel engines. It utilizes STC (Step Timing Control) injection technology for precise fuel metering and timing control. The injector operates at high pressures exceeding 30,000 PSI (2000+ bar) with an injection quantity range of 140-366 mm³/stroke. This component serves as a direct replacement for Cummins OEM part numbers 3279847, 3076736, 3054228, 3076132, 3077709, 3042425, and 4307427. Applications include marine propulsion, power generation generator sets, construction machinery, and heavy-duty truck platforms equipped with Cummins K19/KTA19/QSK19 engine families.