Cummins ISX15 Fuel Injector 2011-2013: OEM 5579415RX

Precision Fuel Injection for Cummins ISX15 Engines

What Is It?

The Cummins ISX15 Fuel Injector (OEM 5579415RX) is a direct-fit, high-pressure fuel injector designed for Cummins ISX15 diesel engines built between 2011 and 2013. This injector delivers finely controlled amounts of diesel fuel into the combustion chamber to ensure clean, efficient, and stable engine working conditions.

Why Choose OEM 5579415RX?

The 5579415RX is built to meet Cummins’ exact OEM standards, ensuring accurate spray patterns, pressure consistency, and compatibility with the ISX15 electronic control system. It helps eliminate issues such as poor combustion, uneven firing, and excess smoke caused by faulty or mismatched injectors.

Key Benefits

✅ Engineered for ISX15: Designed specifically for Cummins ISX15 engines (2011–2013)
✅ OEM-Calibrated: Matches factory flow rate, injection timing, and spray angle
✅ Built to Withstand Pressure: Operates reliably under extreme heat and pressure conditions
✅ Direct Fitment: Installs easily using OEM connectors and mounting points
✅ System-Compatible: Supports stable fuel delivery and emissions system working conditions

Applications

This injector is ideal for Class 8 trucks, regional haulers, and vocational fleets running Cummins ISX15 engines manufactured between 2011 and 2013. It’s built for the rigorous demands of heavy-duty use where long-term engine reliability is key.

Installation Notes

Install this injector with new seals and washers. A certified diesel technician should inspect all fuel connections and ports before installation. Once installed, use diagnostic tools to verify balance rates and clear any system codes.

Final Thoughts

The OEM 5579415RX Fuel Injector is a trusted replacement part for maintaining consistent fuel injection in Cummins ISX15 engines. With OEM precision and durability, it offers the peace of mind needed to keep your powertrain running smoothly and efficiently.