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 built to match factory performance and installation requirements:

• Handles precise fuel metering within the engine’s XPI injection system.
• Works with the existing high-pressure fuel circuit to supply fuel during each injection event.
• Follows engine control commands as operating speed and load requirements change.
• Maintains the injector interface established for the ISC and ISL engine platform.
• Integrates with the original fuel system hardware and electronic engine controls.
• Supports the injection operation specified for EPA07 diesel engine configurations.

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.