Cummins ISX15 XPI Injector Connector Tube 5579417 (EPA10) – High-Pressure Fuel Supply Line

KEY FEATURES

• OEM Part Number: 5579417
• Application: EPA10 Cummins ISX15 / QSX15
• Designed for high-pressure XPI fuel systems
• Precision sealing surface for leak-free operation
• Required replacement during injector service
• Built for durability in heavy-duty diesel environments

Ensure proper fuel delivery and injector performance with a precision-engineered Cummins ISX15 XPI connector tube 5579417, designed for EPA10 engines. This high-pressure fuel supply line connects the fuel rail to the injector, maintaining consistent pressure and sealing under extreme operating conditions.

Because XPI systems operate at extremely high pressures, connector tubes are single-use components and must be replaced whenever an injector is serviced or replaced. Reusing old tubes can lead to improper sealing, fuel leaks, and injector damage.

CROSS REFERENCE PART NUMBERS

• 5579417PX
• Associated with injector part number 2872405
• Associated with injector part number 2894920