Cummins QSF4.5, ISF4.5 Fuel Injector 2021-2024: OEM 5364543 ( Set of 6 )

Full Injector Set for Reliable Fuel Control in Cummins 4.5L Engines

What Is It?

This set of six OEM 5364543 fuel injectors is designed for Cummins QSF4.5 and ISF4.5 diesel engines built between 2021 and 2024. These injectors ensure precise fuel delivery to each cylinder, promoting clean combustion, smooth engine operation, and system-wide balance across all firing points.

Why Choose OEM 5364543 (Set of 6)?

Replacing all six injectors at once provides balanced fuel delivery, improved engine consistency, and reduced downtime. The OEM 5364543 set is calibrated to Cummins specifications, ensuring compatibility with ECU parameters and the high-pressure demands of modern diesel applications.

Key Benefits

✅ Complete 6-Cylinder Coverage: Restores even fuel distribution across the engine
✅ Built for QSF4.5 / ISF4.5 Engines: Compatible with 2021–2024 industrial and off-road applications
✅ OEM-Grade Precision: Maintains factory spray patterns and timing for optimal combustion
✅ Durable Under Pressure: Withstands high temperatures and fuel system demands
✅ No Reprogramming Required: Installs directly with factory calibration

Applications

Perfect for Cummins-powered equipment using the QSF4.5 or ISF4.5 engine, including construction machinery, agricultural implements, and stationary power units. This injector set is ideal for full-system service or proactive maintenance on engines showing signs of imbalance or wear.

Installation Notes

Professional installation is recommended. Inspect injector bores, fuel lines, and return paths for cleanliness and damage. Always use new seals, torque to spec, and run a post-installation scan to clear any codes and confirm balance rates.

Final Thoughts

The Cummins OEM 5364543 (Set of 6) Fuel Injectors provide a reliable, factory-level solution for restoring consistent fuel delivery in your 4.5L diesel engine. Whether for preventative maintenance or full injector replacement, this set helps keep your equipment dependable and ready to perform.