Product Description
Give your early 5.9L Cummins a clean, consistent 60HP bump. The INDUSTRIAL INJECTION Dragonfly series nozzle (PN 0433175519DFLY) is an extrude-honed performance nozzle engineered for the 2003–2004 Dodge Ram 2500/3500 5.9L Cummins (common-rail). Precision flow control improves atomization for crisper throttle response, smoother towing, and reduced smoke when tuned correctly.
Fitment
- 2003–2004 Dodge Ram 2500/3500, 5.9L Cummins (common-rail, early years)
- Replaces/uses Bosch nozzle family that matches “5499” numbering (reference only)
- Sold individually (order 6 for a complete set)
Why Dragonfly?
- Extrude-honed for balanced, matched flow across all cylinders
- Approx. 60 HP / ~13% over stock flow increase
- Improved fuel atomization for cleaner combustion
Specifications
| Manufacturer | Industrial Injection |
|---|---|
| Part Number | 0433175519DFLY |
| Application | 2003–2004 Dodge Ram 2500/3500 5.9L Cummins (CR) |
| Advertised Gain | ~60 HP (≈13% over stock flow) |
| Flow/Style | Extrude-honed performance nozzle |
| Units | Sold individually (6 required per engine) |
| UPC | 840256901009 (reported) |
| Alt Barcode | II2144000408 (reported) |
| Emissions | Competition use only; not legal for on-road use where emissions laws apply |
Recommended Parts (CPP-only links)
- 5.9L Cummins Common-Rail Injectors & Install Accessories
- BD Diesel 2003–2004 Injector Install Kit (lines, tubes, gaskets)
- 03–07 Cummins Fuel System Components (CP3 upgrades, lift pumps, lines)
Notes
- Professional installation and injector balancing recommended.
- Tuning and adequate lift-pump supply are strongly advised for best drivability.
FAQ
Is this nozzle compatible with all 2003–2004 5.9L common-rail injectors?Yes, it’s designed for early CR 5.9L applications (’03–’04). Always verify injector style during teardown and replace copper washers and connector tubes as needed.
How many nozzles do I need?
Six per engine. This item is sold individually—add quantity 6 for a complete set.
Will I need tuning?
For best results and lowest smoke, a calibration that accounts for increased flow is recommended. A healthy lift pump and clean filtration are also important.
What kind of gains can I expect?
These nozzles are commonly referenced as ~60 HP / ~13% over stock when paired with supporting mods and calibration. Actual results vary by truck and setup.
Is this product emissions legal?
No. Competition-use only. Check local and federal regulations before purchase/installation.
