Cummins original 3018566 Diesel Engine Fuel Injector for NT855 NTA855 NH220 VTA 1710, Fuel Injector Nozzles Replacement for OEM3054218 3054213 Parts original new injector

Engineered for demanding diesel powertrains, the Cummins 3018566 PT Fuel Injector delivers precise metering and dependable atomization across a wide range of industrial and mobile applications. Cross referenced to 3018566RX, R3018566, 3018566R, 3054218 and 3054218PX, this assembly is built to OEM manufacturing standards and integrates directly into the Cummins PT fuel system for consistent, repeatable fuel delivery.

Constructed from hardened alloy steel components with precision-machined nozzle assemblies, this injector supports enhanced combustion efficiency, reduced fuel consumption and lower smoke emissions. It is designed for stable engine performance and long service life, offering excellent reliability in harsh operating environments. The unit is compatible with Cummins NT855, NTC855, NTA855, N14, KTA19, KTA38 and KTA50 engines used in transportation, construction, mining, heavy trucks, generator sets, marine power and oilfield equipment.

Installation requires removing the old injector, cleaning the injector bore, fitting new seals, tightening to OEM torque specification, bleeding the fuel system and verifying performance. To maximize durability, use clean diesel fuel, replace filters regularly and monitor engine smoke. Common diagnostics include checking injector pressure for hard starting, inspecting spray pattern for black smoke, verifying flow for power loss and confirming calibration for high fuel consumption. Backed by a 12-month warranty.