Cummins QSB6.7 Fuel Injector 2011-2020: OEM 5579334

Precision Fuel Power: Cummins QSB 6.7L Injector (2011-2020, OEM 5579334)

What is it?
The Cummins QSB 6.7L OEM 5579334 fuel injector is a high-precision component designed to deliver exact quantities of diesel into each combustion chamber of QSB 6.7L engines manufactured between 2011 and 2020. It ensures accurate fuel atomization, helping your engine run cleanly, efficiently, and responsively under load.

Why choose OEM 5579334?
Constructed to Cummins’ original specifications, this OEM injector offers reliability and performance you can trust. Choosing OEM 5579334 helps you avoid common injector issues like uneven spray, misfires, reduced power, or poor fuel economy that often result from lower-quality aftermarket parts.

Key Benefits
✅ Tailored for Cummins QSB 6.7L engines (2011-2020)
✅ Helps restore fuel efficiency and optimal combustion
✅ Improves throttle response and engine smoothness
✅ Built to withstand pressure, heat, and long-term operation
✅ OEM direct-fit design for quick and accurate replacement

Applications
This fuel injector is ideal for trucks, machines, and generators driven by Cummins QSB 6.7L engines from 2011 to 2020—especially when performance, reliability, and clean fuel delivery are essential.

Installation Notes
Ensure the engine is completely shut off and cooled. Clean the injector bore and mounting area to avoid contamination. Replace any worn seals or washers. Torque the injector to Cummins specifications. After installation, run the engine and check for proper operation and any leaks.

Final Thoughts
When it comes to maintaining peak performance in your Cummins QSB 6.7L engine, the OEM 5579334 fuel injector provides the precision, durability, and reliability you need. With genuine fit and quality, it helps keep your engine efficient and strong. Tamerx has this part in stock and ready to ship.