Cummins original Replacement Fuel Rail Injector Assy 3411754 for QSMI1 M11 Cummins Diesel Engine Compatible with R275 R385LC-9 Equipment Cross Reference Parts 4903084 4026222 4903319 4061851 3411755 original new injector

The Cummins 3411754 fuel injector is a precision-engineered OEM replacement designed for M11 and N14 series diesel engines, including CELECT and CELECT Plus variants. This injector, cross-referenced with numbers 3411754RX, 3803474, 3802924, 3087648, and 3076704, delivers high-pressure fuel delivery with heat-resistant components and corrosion protection. Its low-leakage design and heavy-duty construction ensure reliable performance in demanding applications, meeting original equipment calibration standards for direct fitment.

Compatible with a wide range of heavy-duty vehicles and equipment—including Freightliner, Kenworth, Peterbilt, International, Volvo, and Mack trucks, as well as buses, excavators, loaders, mining trucks, marine engines, generator sets, and agricultural power units—this injector supports fleet operations across on-road and off-road environments. The 3411754 injector is engineered to handle the rigorous demands of long-haul transportation, construction, mining, marine, and industrial diesel systems, providing consistent fuel atomization and combustion efficiency.

Proactive maintenance is critical for injector longevity: inspect the fuel filter at 250 hours, check the fuel system at 500 hours, test injector performance at 1,000 hours, clean injectors at 2,000 hours, and perform a comprehensive inspection at 5,000 hours. Common failure symptoms such as hard starting, excessive smoke, power loss, rough idle, high fuel consumption, engine knock, misfire, and high exhaust emissions often indicate injector wear. Replacing with the OEM-quality 3411754 injector restores engine performance and reduces downtime, ensuring optimal operation for your Cummins-powered equipment.