Cummins original 3411766 Diesel Fuel Injector Replacement for OEM Aftermarket Fuel Injector Fit for N14 QSN14 Engines Used for Excavator Cross Reference 3411767 3411764 3411385 original new injector
Cummins original 3411766 Diesel Fuel Injector Replacement for OEM Aftermarket Fuel Injector Fit for N14 QSN14 Engines Used for Excavator Cross Reference 3411767 3411764 3411385 original new injector
Fuel Type | Diesel |
Condition | OEM Original / Reman (3411766R) |
Applicable Engine | Cummins N14, N14 Celect, N14 Celect Plus (14L Diesel) |
Injector Type | Diesel Fuel Injection Nozzle Assembly |
Quality Standard | OEM Equivalent |
Packaging | Standard Industrial Packaging |
Fuel System | Cummins Celect / Celect Plus Fuel Injection System |
OE Number | 3411766 |
Brand | Cummins |
Cross Number / Universal Number | 3411766R, 3087648, 3087584, 3087585, 3087649, 3411754, 3411756, 3411764, 3411766RX |
Vehicle / Equipment Application | Freightliner FLD120, Classic XL, Century Class; Peterbilt 377, 378, 379; Kenworth W900, T800, T600, T660; International 9400, 4900; Western Star; Mack |
Application Type | Heavy Duty Trucking, Industrial Power Generation, Construction Equipment, Mining Machinery, Marine Propulsion Systems, Agricultural Applications, Generator Sets |
Engineered for the demanding operating conditions of the Cummins N14 platform, the 3411766 fuel injector delivers precise diesel metering across N14, N14 Celect, and N14 Celect Plus 14L engines. Built to OEM equivalent standards, this component supports power ratings from 310HP through 525HP, making it a dependable replacement for fleet operators, industrial users, and equipment builders worldwide.
This injector provides better fuel atomization, improved combustion efficiency, and reduced fuel consumption while lowering emissions and supporting higher engine power output. Designed for long service life and stable fuel injection performance, it directly interchanges with authorized cross numbers including 3411766R, 3087648, 3087584, 3087585, 3087649, 3411754, 3411756, and 3411764. Compatibility with multiple N14 configurations and worldwide availability make it a cost effective replacement that reduces downtime across North America, South America, Europe, the Middle East, Africa, and Asia Pacific markets.
For optimal results, clean the injector bore before installation, replace injector O-rings, apply OEM-approved torque values, inspect fuel lines, and perform ECU calibration if required. Verify injector balance after installation and maintain performance by using high-quality diesel fuel, avoiding water contamination, and replacing fuel filters regularly. Backed by a 12-month warranty and global service support, this injector ensures industrial heavy duty reliability for trucks, generators, marine, and construction equipment.












Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.

