5579403 Genuine Cummins Fuel Injector Set For XPI 8.9L ISC ISL EPA07

Description

The 5579403 is a genuine Cummins fuel injector set designed for EPA07 ISC and ISL 8.9L diesel engines equipped with the XPI fuel system. It is manufactured to provide accurate high-pressure fuel delivery and support proper combustion and emissions operation.

General Specifications

Product Features

The 5579403 fuel injector set is engineered for factory Cummins XPI diesel fuel systems:

• Genuine Cummins fuel injector set for EPA07 ISC and ISL 8.9L engines
• Designed for operation with original XPI high-pressure fuel systems
• Helps maintain controlled fuel injection during engine load changes
• Supports proper combustion efficiency and emissions performance
• Manufactured to match Cummins OEM injector specifications
• Maintains accurate fuel spray and injection timing characteristics
• Direct replacement configuration for compatible diesel engine applications

Application Notes

The 5579403 fuel injector set is intended for engines equipped with the original XPI fuel system specified above. Injector bores, fuel lines, and sealing surfaces should be cleaned thoroughly during installation to help maintain proper fuel system operation.

Always verify part number, engine model, and fuel system configuration before installation.