Chevrolet GMC Duramax LML Fuel Injector 2011-2016: OEM 2173440 ( Set of 8 )

Complete Injector Set for Your Duramax LML

What Is It?

This set of eight OEM 2173440 fuel injectors is designed specifically for Chevrolet and GMC trucks with the 6.6L Duramax LML diesel engine (2011–2016). These injectors deliver metered fuel into each combustion chamber, ensuring consistent firing, cleaner emissions, and stable engine function across all cylinders.

Why Choose OEM 2173440 (Set of 8)?

Choosing a complete set of OEM 2173440 injectors ensures balanced fuel delivery and system-wide consistency. Replacing all eight injectors at once eliminates flow variation between cylinders and helps reduce future diagnostic guesswork related to injector wear or mismatch.

Key Benefits

✅ Complete Cylinder Coverage: Full set of 8 injectors for balanced engine operation
✅ Duramax-Specific Design: Made for 2011–2016 6.6L LML diesel engines in Chevrolet and GMC trucks
✅ Factory-Calibrated: Matches OEM spray patterns, fuel pressure specs, and ECU compatibility
✅ Built for Demanding Use: Handles high-pressure diesel environments with long-term durability
✅ One-Time Install: Replacing all 8 at once reduces downtime and future service intervals

Applications

This injector set is ideal for use in Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the LML 6.6L Duramax engine from 2011 to 2016. It's especially recommended for vehicles experiencing poor injector performance, rough idle, excessive smoke, or hard starts.

Installation Notes

Professional installation is highly recommended. Be sure to inspect fuel return lines, injector cups, and the fuel rail for wear or debris. Always install with new seals and torque to factory specifications. After installation, balance rates should be verified with a scan tool, and any fuel system codes should be cleared.

Final Thoughts

The OEM 2173440 (Set of 8) Fuel Injectors provide a comprehensive solution for restoring fuel system integrity and engine consistency in your Duramax LML. Whether you're doing preventive maintenance or resolving injector-related issues, this full set ensures reliability from the first start.