Cummins original 3087557 Diesel Common Rail Fuel Injector for QSM11 ISM ISM11 M11 Engines Excavator Parts Part Numbers 3652542 3652541 3411752 original new injector

Engineered for demanding fleet and industrial operations, the Cummins 3087557 fuel injector delivers dependable fuel delivery for M11, M11 CELECT, M11 CELECT PLUS, ISM11, and QSM11 diesel engines. Built to OEM manufacturing standards, this fuel injection nozzle assembly ensures high precision fuel metering and an optimized spray pattern that supports enhanced combustion efficiency across a wide range of operating loads.

This heavy-duty component is designed to lower fuel consumption while reducing exhaust emissions and black smoke, contributing to cleaner and more economical engine performance. Improved cold start capability, high temperature resistance, and a corrosion-resistant surface treatment extend the injector life cycle and enable heavy-duty continuous operation under harsh conditions. Fleet-proven reliability and global service network support make it a practical choice for demanding applications. Cross-referenced numbers include 3084589, 3087557PX, 3087557RX, 3411752, 3411752PX, 3411752RX, EX637557, 637557, FS3087557RX, M3087557, R3087557, 209975X, and 3084589RX.

Suitable for Freightliner, Peterbilt, Kenworth, Western Star, International, Volvo, and Mack trucks, as well as construction, mining, agriculture, marine, and power generation equipment. To maximize service life, use ultra-clean diesel fuel, replace filters on schedule, monitor fuel pressure, conduct periodic injector balance testing, check return fuel flow rates, and use OEM-grade fuel additives if approved.