Cummins original Common Rail Fuel Injector 3074225 for K19 Excavator Sprayer Truck Auto Diesel Injector Replacement for OEM 3064881 3066176 original new injector

This Cummins 3074225 fuel injector assembly is a direct OEM replacement for PT fuel systems, serving as the critical component for Cummins N14, N14 Celect, N14 Celect Plus, NT855, and NTA855 engines. The unit cross-references multiple OE numbers including 3074225RX, 3074225R, 3074225PX, 3074225X, 3073995, 3081314, 3081315, 3411760, 3411761, 3411767, 3652541, 3652541RX, 3652542, 3652542RX, 3083848, 3087558, 3070184, and 3070739, ensuring seamless interchangeability for heavy-duty truck, marine, generator, and industrial applications. Designed to meet original factory specifications, this injector provides reliable fuel delivery for Kenworth, Peterbilt, Freightliner, International, and Western Star trucks, as well as mining machinery, construction equipment, and oilfield power systems.

Engineered with precision nozzle machining and factory calibration, the injector uses high-strength alloy construction and corrosion-resistant materials to deliver extended service life and excellent fuel atomization. The PT fuel system design ensures consistent injection pressure and optimal combustion efficiency, reducing emissions and improving fuel economy. Each unit undergoes rigorous quality control to guarantee OEM interchangeability, making it a dependable choice for fleet maintenance and engine rebuilds.

To maintain performance, use clean diesel fuel, replace fuel filters regularly, and avoid water contamination. Monitor fuel pressure and inspect injectors periodically for signs of wear. For troubleshooting, check the injector nozzle, plunger, and spring for damage, verify fuel supply pressure, and test for internal leakage or calibration issues. Proper maintenance ensures long-term reliability and minimizes downtime in demanding environments.