Chevrolet GMC Duramax LML Fuel Injector 2011-2016: OEM 2173440

Precision Fuel Injection for Your Duramax LML

What Is It?

The OEM 2173440 Fuel Injector is a direct-fit injector designed for the 6.6L Duramax LML diesel engine used in Chevrolet and GMC HD trucks from 2011 to 2016. This injector delivers precise fuel amounts to the engine’s combustion chambers, supporting clean operation and consistent engine behavior under a variety of driving conditions.

Why Choose OEM 2173440?

The OEM 2173440 is manufactured to GM and Bosch specifications, ensuring exact compatibility with your engine's fuel system and electronics. With this injector, you avoid issues common to aftermarket parts—such as uneven fuel delivery, rough idle, or trouble codes—and maintain the system’s intended operation.

Key Benefits

✅ Engineered for LML Duramax: Built for 2011–2016 Chevrolet Silverado HD and GMC Sierra HD models
✅ Precise Fuel Metering: Delivers consistent spray patterns and injection timing
✅ OEM-Calibrated: Fully compatible with stock engine control systems
✅ Durability Assured: Designed to work under high-pressure diesel operation
✅ Quick Installation: Direct replacement for original fuel injector—no modifications required

Applications

This injector is designed for Chevrolet and GMC HD trucks equipped with the 6.6L Duramax LML engine, ideal for work trucks, towing applications, and daily driving needs. Whether you're replacing a faulty injector or refreshing your fuel system, this OEM option ensures dependable results.

Installation Notes

Have a certified diesel technician handle installation. Use new seals and torque all fasteners to manufacturer specs. It’s recommended to check injector balance rates post-installation and clear any existing diagnostic codes with an appropriate scan tool.

Final Thoughts

The Chevrolet GMC Duramax LML Fuel Injector OEM 2173440 offers the consistency and fitment needed to keep your diesel engine running reliably. Built to meet factory standards, it helps ensure smooth fuel delivery, cleaner combustion, and confident operation every mile.