INDUSTRIAL INJECTION 0433171985-R1 LMM DURAMAX EXTRUDE HONED INJECTION NOZZLE — 2007.5–2010 6.6L — 20 LPM

Clean, calibrated fueling for your 2007.5–2010 LMM. Industrial Injection’s 20 LPM extrude-honed Bosch-style nozzle delivers smooth atomization and matched flow for towing, street, or entry-level race builds when paired with proper air and tuning.

Fitment

• 2007.5–2010 GM 6.6L Duramax LMM (Silverado/Sierra 2500HD/3500HD)

What’s Included

• (1) Extrude-honed injector nozzle — 20 LPM (Race 1)
• New copper crush washer

Sold individually; order 8 for a full engine set.

Key Features

• Extrude-honed & flow-balanced for consistent cylinder-to-cylinder fueling
• OE-spec plus nozzle body, individually tested before shipment
• Designed to support lower EGTs with proper air and calibration
• Direct-fit LMM replacement when installing with qualified tools and procedures
• Competition use only—check local/State/Federal emissions laws

Recommended Parts (CPP Internal Links)

• Injector Return Line Kit — 2004–2010 LLY/LBZ/LMM
• S&S NEW LBZ-Based CP3 (Fits 2001–2010 incl. LMM)
• AirDog II-5G DF-100 Lift Pump — 2001–2010 Duramax
• PPE Dual-Fueler Kit w/ Pump — 2006–2010 LBZ/LMM
• Shop All Duramax Injectors & Nozzles

Cross-Reference / Alternatives

• 0433171985-R2 — 22 LPM
• 0433171985-R3 — 24 LPM
• 0433171985-R4 — 26 LPM
• 0433171985-R5 — 30 LPM
• 0433171985-R6 — 34 LPM (Race 6)

Helpful Notes

• Professional install strongly recommended. Verify injector health and rail pressure control before nozzle changes.
• Pair with adequate turbo/airflow and a quality lift pump for best EGT control and rail stability.

FAQ

Yes—proper calibration is recommended to match pulse width, pilot injection, and rail pressure for clean power and safe EGTs.

Eight per engine. This listing is sold individually.

A new copper crush washer is included. Always replace seals as required and leak-check the return system.

No. These are competition components. Confirm local, state, and federal compliance before purchase/installation.