Cummins 3077715 Fuel Injector Assembly

Technical engineering specifications for Cummins PT fuel injector part number 3077715. This injector utilizes STC (Step Timing Control) technology for precise fuel delivery across K19, KTA19, and QSK19 engine platforms. The injector body is manufactured to withstand high-pressure fuel systems operating at 30,000+ PSI. Injection quantity ranges from 140 to 366 mm3 per stroke depending on engine calibration. Direct replacement for OEM part numbers 3077715PX and 3279847. Compatible with generator sets, marine propulsion, construction machinery, and heavy-duty truck applications utilizing Cummins K-series engines. Material composition includes hardened nozzle needle and barrel assembly with precision-machined spray orifices. The injector features pencil-type design for PT fuel systems. Cross-reference interchangeability includes remanufactured variant 3076736 and nozzle assembly 3054228. Installation requires proper torque specifications and fuel system priming procedures per Cummins service manual.