Cummins QSF4.5, ISF4.5 Fuel Injector 2021-2024: OEM 5364543

What is it?
The Cummins QSF4.5 / ISF4.5 Fuel Injector OEM 5364543 is a direct replacement injector designed to deliver precise fuel metering and optimal spray patterns. It plays a critical role in maintaining engine efficiency, smooth combustion, and consistent power in Cummins 4.5L platforms.

Why choose OEM 5364543?
This injector is built to Cummins factory specifications, offering exact fitment and dependable operation. By choosing OEM 5364543, you're investing in high-quality components that help reduce downtime, extend engine life, and restore peak fuel system performance.

Key Benefits
✅ Designed for accurate fuel delivery and atomization
✅ Direct-fit for fast, hassle-free installation
✅ Supports consistent power and fuel economy
✅ Reduces emissions and engine misfires
✅ Built for durability under modern high-pressure systems

Applications
OEM 5364543 is designed for Cummins QSF4.5 and ISF4.5 engines used from 2021 to 2024. These engines are commonly found in industrial, construction, and commercial applications where reliable fuel injection is key to overall engine performance.

Installation Notes
Before installation, ensure all injector bores are clean and free from debris. Always use new seals and follow Cummins torque specs. After installation, prime the fuel system and perform a system check or injector coding procedure if required.

Final Thoughts
A faulty injector can throw off your entire engine’s performance. Replace it with confidence using the Cummins OEM 5364543 fuel injector—available now at Tamerx to keep your QSF4.5 or ISF4.5 engine firing on all cylinders.