Cummins original 4026222 Fuel Rail Injector Assy Replacement for OEM Fit for M11 ISM11 QSM11 QSMI1 Diesel Engines Compatible with R275 R385LC-9 Cross P/N 4903319 4061851 4903472 original new injector

The Cummins M11 fuel injector 4026222 is an original OEM component engineered for precision fuel delivery in Cummins M11 CELECT and CELECT Plus engines. This injector is directly compatible with M11-280E through M11-370E variants, as well as industrial, marine, and generator set applications. It is the recommended replacement for cross number 4026222RX, ensuring seamless integration into heavy-duty trucks, construction equipment, mining machinery, and other demanding environments.

Precision-machined internal components deliver superior injection accuracy, while high-pressure injection technology optimizes fuel combustion for improved power output and reduced emissions. The injector features wear-resistant materials and corrosion-resistant construction, extending operational life even under harsh operating conditions. Built to OEM specifications, this injector guarantees direct installation compatibility without modification, reducing downtime and maintenance costs.

To maintain optimal performance, use clean diesel fuel, replace fuel filters regularly, and inspect fuel lines for leakage. Periodic electronic diagnostics, including fault code scanning, fuel pressure testing, and injector balance analysis, are recommended to detect early signs of wear. The 4026222 injector is a critical component for maintaining the reliability and efficiency of Cummins M11 diesel engines across various heavy-duty applications.