Product Description
Upgrade the fueling on your 2007.5–2010 6.6L LMM Duramax with the Industrial Injection 0433171985-R3 Extrude Honed Nozzle (24 LPM). Precisely flow-balanced and EDM/Extrude-Honed for crisp atomization and reliable power gains, this R3 nozzle is a proven step up over stock while maintaining driveability when paired with the right tuning and airflow.
Fitment
- 2007.5–2010 Chevy/GMC 2500HD/3500HD 6.6L LMM Duramax
What’s Included
- (1) Extrude-Honed injector nozzle — 24 LPM (R3)
- New copper crush washer
Key Features
- EDM + Extrude-Hone process with flow-matching for smooth fueling
- Improved atomization for lower EGT potential and clean power
- Quality-controlled to OE spec on calibrated test stands
- Sold individually — order quantity 8 for a complete set
- 1-year, unlimited-mileage warranty (Industrial Injection)
Recommended Parts (CPP internal links)
- Injector Return Line Kit — 2004.5–2010 LLY/LBZ/LMM
- MAHLE Injector Seal Kit — LLY/LBZ/LMM
- S&S Diesel 45% Over Injector Set — LMM (NEW)
- S&S Diesel 350% Over Injector Set — LMM (REMAN)
- Need more flow? Industrial Injection 34 LPM (R6)
- Shop All Duramax Injectors & Nozzles
Helpful Notes
- Professional installation and tuning are required. Verify rail pressure and commanded fuel limits.
- Always replace return line seals; inspect high-pressure lines for contamination/wear.
- For a full set, purchase eight (8) nozzles and have them installed on a matched injector set.
Cross-Reference / Alternatives
FAQ
Is this sold as a single nozzle or as a full set?This part number is sold individually. Order quantity 8 for a complete engine set, then have a qualified shop install and balance them on your injectors.
Do I need tuning with 24 LPM (R3) nozzles?Yes. Proper calibration is required to manage pulse width, timing, and rail pressure for safe gains and clean smoke.
Will my stock turbo work?R3 (24 LPM) can be used with the factory turbo, but best results come with healthy air supply, strong lift pump, and correct tuning.
What else should I replace during installation?Always replace injector seals and the return line kit to prevent leaks and ensure long-term reliability.
