Cummins original 3069767 Fuel Injector for NT855 NH855 Diesel Engine Replacement for OEM 3059424 209985X Excavator Bulldozer original new injector

The Cummins 3069767 PT fuel injector is an OEM-grade replacement designed for heavy-duty engines including N14, NT855, KTA19, KTA38, KTA50, and select QSK19/38/50 models. This injector delivers precise fuel metering and stable injection, ensuring optimal combustion and power output across demanding applications such as mining trucks, marine engines, generator sets, and construction equipment. As a direct cross-reference for part numbers 3054218, 3071497, 3076705, and 3411766, it offers reliable compatibility and easy replacement.

Engineered for industrial-grade durability, this injector features excellent atomization, high-temperature resistance, and corrosion protection to withstand harsh operating conditions. Its precision fuel metering reduces fuel consumption while maintaining consistent performance, contributing to longer engine life and reduced downtime. The injector is rigorously tested to meet Cummins quality standards, ensuring reliable operation in heavy-duty trucks, excavators, bulldozers, and oilfield equipment.

To maximize service life, use clean diesel fuel and maintain proper fuel pressure. Regular fuel filter replacement and fuel line inspections are recommended. Common troubleshooting includes checking injector opening pressure for hard starting, inspecting spray pattern for black smoke, verifying fuel delivery volume for power loss, and checking calibration for rough idle. With proper maintenance, this injector provides dependable performance in the most demanding environments.