Cummins original 3083863 Fuel Injector Replacement for OEM Compatible with QSM11 M11 ISM11 Diesel Engines Cross Reference Part Numbers 4903084 3083871 3411754 3087772 original new injector

Engineered for demanding heavy-duty service, the Cummins M11 fuel injector 3083863 delivers reliable fuel delivery across the full M11 engine family. Built to OEM tolerances and cross-referenced to 4029423, Reman 3083863RX, ReCon 3083863PX, and Bosch 0432105188, this injector is a direct replacement solution for fleet operators, rebuilders, and equipment suppliers seeking consistent, verified performance.

This diesel fuel injector is compatible with Cummins M11, M11 CELECT, M11 CELECT Plus, M11 Plus, ISM11, QSM11, and industrial and marine M11 engines. Additional cross references include 3411768, 3411753, 3411756, 3411757, 4307547, and 3083871. Precision-machined internal components provide high pressure performance and enhanced atomization for improved combustion efficiency, while premium alloy steel construction ensures wear resistance, corrosion resistance, and long service life. The result is optimized fuel efficiency and dependable emission compliance across Freightliner, Kenworth, Peterbilt, and Western Star applications.

To maximize injector durability, use clean diesel fuel, replace fuel filters regularly, and prevent water contamination within the fuel system. Monitor injector balance rates and perform routine engine diagnostics to identify performance deviations early. Ideal for heavy-duty transportation, industrial power generation, construction equipment, mining machinery, and marine operations, the 3083863 injector supports uptime and total-cost-of-ownership goals for professional B2B buyers and aftermarket distributors worldwide.