Cummins original 3079946 Diesel Common Rail Fuel Injector M11 NT855 NTA855 STC Engines for Excavator Truck Cross Ref Part No. 3018835 3064457 3064881 3068825 original new injector

Engineered for demanding diesel powertrains, the Cummins 3079946 fuel injector delivers dependable performance across the M11 PT series and related engine platforms. Manufactured to OEM standards from high strength alloy steel and CNC machined for dimensional accuracy, this injector supports precise fuel delivery, improved atomization, and stable high-pressure injection under sustained heavy loads.

This injector fits Cummins M11, M11 Plus, M11 CELECT, M11 CELECT Plus, N14, N14 CELECT, and N14 CELECT Plus engines, with cross reference numbers 3079946RX, 3411754, and 3076130 for straightforward sourcing. Applications extend across Freightliner, Kenworth, Peterbilt, International, and Western Star trucks, transit and coach buses, excavators, wheel loaders, cranes, diesel generator sets, marine engines, and mining equipment, serving transportation, construction, mining, marine, and industrial operations.

Precision nozzle technology and enhanced wear resistance promote improved combustion efficiency, reduced fuel consumption, lower exhaust emissions, and extended service intervals. To maximize service life, use high-quality diesel fuel, replace fuel filters regularly, drain water separators, and monitor fuel pressure. During installation, clean the injector bore, replace sealing components, verify timing, and perform leak testing. Recommended diagnostics include injector testing, fuel pressure testing, leak-off testing, nozzle inspection, and calibration. Backed by a 12-month warranty, this new premium aftermarket injector is a reliable replacement for heavy duty fleets.