Set of 6 Diesel Common Rail Fuel Injectors Fit For Cummins 8.9L ISC/ISL Engines

Set of 6 Diesel Common Rail Fuel Injectors for Cummins 8.9L ISC/ISL Engines

This set of six common rail fuel injectors delivers precise fueling to Cummins 8.9L ISC and ISL diesel engines, replacing worn or clogged units to restore smooth combustion and power delivery.

Overview

This six-piece common rail fuel injector set is built for Cummins 8.9L ISC and ISL diesel engines, giving you a full bank of replacements in one purchase. Each injector meters fuel into the combustion chamber under high rail pressure, which supports clean starts, steady idle, and full-load power. It suits heavy truck and equipment owners handling injector replacement as a complete set.

Built For Performance

• Six matched injectors supplied as a complete set for the 8.9L engine
• Common rail design built to handle high-pressure diesel fuel delivery
• Precision-machined nozzle tips for consistent fuel atomization
• Solenoid-controlled metering for accurate injection timing
• Sealed body construction to resist diesel fuel and heat cycling

Fits These Machines

• for Cummins 8.9L ISC engines
• for Cummins 8.9L ISL engines

On-The-Job Use

• Heavy-duty truck engine service and overhaul work
• Injector replacement after rough running or misfire codes
• Fleet maintenance scheduling on ISC and ISL powered vehicles
• Fuel system repair on equipment running the 8.9L platform

Specs At A Glance

Good To Know

Q: Do these injectors need programming after install? A: Many common rail injectors require coding to the ECM so the engine calibrates fuel delivery correctly. Have the injector trim codes read and entered during installation.

Q: Should all six be replaced at once? A: Replacing the full set keeps fuel delivery balanced across cylinders and avoids repeat labor when neighboring units fail. Inspect the rail and lines for debris before fitting new injectors.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.