4954679RX Genuine Cummins Fuel Injector Set For XPI 8.9L ISC ISL EPA07

Description

The 4954679RX is a genuine Cummins fuel injector set designed for 8.9L ISC/ISL Diesel EPA07 engines equipped with the XPI fuel system. It controls pressurized fuel delivery at the cylinder in coordination with the factory engine management system.

General Specifications

Product Features

The 4954679RX fuel injector set is built to match factory performance and installation requirements:

• Converts the XPI system’s pressurized fuel supply into accurately controlled cylinder fueling events.
• Uses electronic control input to determine injector actuation during engine operation.
• Directs fuel through the nozzle into the combustion area at the commanded interval.
• Maintains the required injector seating and alignment within the cylinder head.
• Works with the existing pressure circuit and electrical connections used by the engine.
• Keeps fuel delivery coordinated with combustion demands as engine speed and load vary.

Application Notes

The 4954679RX is intended for 8.9L Cummins ISC/ISL Diesel EPA07 engines using the applicable XPI fuel system. Check injector seating surfaces, fuel connections, and engine identification before installation.

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