4984332NX Genuine Cummins Fuel Injector Set For XPI 8.9L ISC ISL EPA07

Description

The 4984332NX is a genuine Cummins fuel injector set designed for 8.9L ISC/ISL Diesel EPA07 engines equipped with the XPI fuel system. It meters high-pressure fuel into the cylinders according to commands from the factory electronic engine controls.

General Specifications

Product Features

The 4984332NX fuel injector set is built to match factory performance and installation requirements:

• Releases pressurized fuel into the cylinder only when commanded by the engine controls.
• Provides the metering action needed to regulate fuel quantity during each combustion cycle.
• Handles fuel supplied by the XPI high-pressure circuit at the injector inlet.
• Keeps the nozzle positioned correctly at the cylinder-head injection point.
• Uses the original engine connections for both fuel supply and electronic actuation.
• Coordinates injector operation with changes in engine demand without altering the factory system layout.

Application Notes

The 4984332NX is intended for 8.9L Cummins ISC/ISL Diesel EPA07 engines equipped with the applicable XPI fuel system. Check injector seating areas, sealing surfaces, and high-pressure fuel connections before installation.

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