Cummins X15 XPI Injector Connector Tube 5579421 (EPA17) – High-Pressure Fuel Supply Line

KEY FEATURES

• OEM Part Number: 5579421
• Application: Cummins X15 (EPA17)
• Designed for advanced XPI fuel systems
• Precision sealing for high-pressure operation
• Required for injector installation
• Built for durability and performance

CROSS REFERENCE PART NUMBERS

• 5579421PX
• Associated with injector 4327147

Maintain peak fuel system performance with the Cummins ISX15 XPI connector tube 5579421, engineered for EPA17 X15 engines. This high pressure fuel line connects the fuel rail to the injector, ensuring precise fuel delivery and proper sealing in next-generation XPI systems.

Designed for use with injectors such as 4327147, this connector tube is a mandatory replacement component during injector service.