Product Description
Wake up your LLY with 15% more flow. The Industrial Injection “Dragonfly reman injector is extrude-honed and flow-balanced to 22 LPM (~15% over stock) for cleaner power on the 2004.5-2005 6.6L Duramax LLY. Each unit is built with brand-new OEM parts (including the nozzle), calibrated tighter than OE, and backed by a 1-year, unlimited-mileage warranty.
Fitment
- 2004.5-2005 GM 6.6L Duramax LLY (mid-2004.5 split through 2005)
- Direct replacement for Bosch 0986435504-based LLY injectors
What's Included
- (1) Remanufactured Industrial Injection “Dragonfly injector - 22 LPM (15% over)
- New copper crush washer and O-rings
Core & Warranty
- $150 core, refundable when your core is returned within 45 days
- 1-year / unlimited-mileage warranty
Why Upgrade?
- More fueling headroom for towing or mild performance setups
- Tighter balancing than OE for smooth idle and clean smoke control
- Works with stock turbo; lower EGTs with upgraded single or compounds
Recommended Parts (CPP internal links)
- Fleece High-Pressure Injection Line Kit - LLY
- DTech Injector Return Line Kit - LLY/LBZ/LMM
- Shop All Duramax Injectors & Nozzles
- Shop All GM Duramax Parts
Cross-Reference / Alternatives
- Dragonfly 22 LPM - 2006-2007 LBZ/LLY
- R2 - 25 LPM (≈30% Over) - 2004.5-2005 LLY
- R4 - 29 LPM (≈50% Over) - 2004.5-2005 LLY
Helpful Notes
- LLY split is mid-2004; verify you have an LLY (not LB7) before ordering.
- One injector per quantity. Order eight for a full set.
- Upgraded turbo and lift pump help control EGTs and rail supply with higher-flow injectors.
FAQ
How much more fuel do these provide vs. stock?These “Dragonfly units flow 22 LPM, about 15% over stock, for added headroom with proper tuning and airflow.
What's included with each injector?Each injector ships ready to install with a new copper crush washer and O-rings. Core return is required to receive your core refund.
Do I need tuning or a turbo upgrade?They can run with a stock turbo; however, tuning and improved airflow (single upgrade or compounds) help reduce EGTs and maximize benefits.
What are the warranty and core terms?Industrial Injection covers these for 1 year/unlimited miles. Core charge is $150 and refundable when your core is returned within 45 days.
| Specifications for INDUSTRIAL INJECTION 0986435504SEDFLY | |
|---|---|
| Brand | Industrial Injection |
| Part Number | 0986435504SEDFLY |
| GTIN | 00840256901986 |
| UPC | 840256901986 |
| Engine Compatibility | 2004.5–2005 GM 6.6L Duramax LLY (Chevy Silverado / GMC Sierra 2500HD & 3500HD) |
| Configuration | Remanufactured “Dragonfly” 15% Over, 22 LPM Flow (Single Injector) |
| Country of Origin | USA |
| Core Charge | $75.00 (refundable per supplier policy) |
| Shipping Weight | 2.0 lb (each) |
| Package Dimensions | 11" × 5" × 3" (boxed) |
| Shipping Method | Small Parcel (Ground) |
| Prop 65 Warning | This product can expose you to chemicals including lead and chromium, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. Learn more. |
