Cummins original 3087733 Fuel Injector Assembly Replacement for OEM 3087560 3411381 3411764 4307776 Fits N14 QSN14 NT855 Excavator & Machinery Engines original new injector

Engineered for demanding fleet and industrial service, the Cummins N14 Fuel Injector 3087733 delivers dependable fuel delivery for operators who cannot afford downtime. Manufactured to OEM standards with precision ground components and heat-treated internal parts, this injector serves as a direct replacement across the N14 engine family, including N14E, N14 Celect, and N14 Celect Plus configurations. It cross-references authorized numbers 3087734, 3087735, 3411766, 3411767, 3411768, 3803528, and 3803529 for straightforward sourcing and inventory matching.

Built with heavy duty steel construction and corrosion resistant materials, the injector maintains stable injection timing and consistent fuel atomization under continuous high pressure operation. These qualities support improved combustion efficiency, reduced particulate emissions, enhanced engine responsiveness, lower fuel consumption, and increased horsepower output. The unit is compatible with N14-370, N14-400, N14-410, N14-435, N14-460, and N14-500 ratings across trucks, generators, marine, and construction platforms.

Suited to Freightliner, Kenworth, Peterbilt, and International vehicles as well as mining, oilfield, and power generation equipment, this injector ships new with a 12-month warranty for global markets. For optimal service life, use OEM quality fuel filters, drain water separators regularly, install new sealing washers, verify injector calibration, and reset ECM fault codes after installation. Backed by worldwide export supply, it is a reliable solution for heavy duty diesel operations.