Product Description
Wake up your 5.9L! The Industrial Injection DragonFly Reman Injector (PN 0986435503SEDFLY) adds ~60 HP with 13% over flow for the 2003–2004 Ram 2500/3500 5.9L Cummins common-rail (305 HP engines). Each unit is remanufactured, calibrated, and tested in a Bosch-authorized facility for OE-level quality and reliability.
- Gain: ~60 HP (13% over), ~27 LPM flow rate
- Quality: Built, calibrated & tested on Bosch equipment; includes new sealing washers & O-rings
- Warranty: 1-Year / Unlimited-Mileage (manufacturer)
- Core: $75 core charge applies (refundable per return policy)
Ideal for a stock truck or one with mild tuning and exhaust/turbo upgrades. For best results and to avoid warranty issues, replace connector tubes when installing new injectors.
Fitment
- 2003–2004 Dodge Ram 2500/3500, 5.9L Cummins common-rail (305 HP)
- Direct replacement; one injector (order six for a full set)
What's Included
- (1) Remanufactured DragonFly 13% Over Injector
- Copper sealing washer & O-rings pre-installed
Recommended Parts (CPP Internal Links Only)
- 03–07 5.9L Fuel System Components
- Industrial Injection Injectors (2003–2007)
- Connector Tubes & Install Hardware (replace on install)
- Injector Return Line/Seals
- CP3 Pump & Filtration Upgrades
Specifications
| Manufacturer | Industrial Injection |
|---|---|
| Part Number | 0986435503SEDFLY |
| Flow Increase | 13% over stock (~60 HP gain) |
| Measured Flow | ~27 LPM (matched set flow standard) |
| Configuration | Common-rail injector (one unit) |
| Engine | 5.9L Cummins (2003–2004, 24-valve, 305 HP) |
| Warranty | 1-Year / Unlimited-Mileage (manufacturer) |
| Core Charge | $75 (refundable upon eligible core return) |
| UPC | Not published by manufacturer |
Helpful Notes
- Always replace or ultrasonically clean connector tubes; contamination can damage new injectors.
- Verify tuning and rail pressure are within safe limits to maintain warranty coverage.
- If you need a full matched set, add six to cart or shop our injector sets category.
FAQ
How much power does the DragonFly add?DragonFly is ~13% over stock, typically worth about 60 HP on a healthy 5.9L Cummins with proper supporting mods.
Is this a single injector or a set?This listing is for one injector. Order six for a complete set.
Do I need new connector tubes?Yes—replacing connector tubes is strongly recommended to prevent leaks and seating issues with new injectors.
What about warranty and cores?Industrial Injection provides a 1-year, unlimited-mileage warranty. A $75 core charge applies and is refundable after your core passes inspection.
Will this work on late-2004 (’04.5) trucks?No—this DragonFly part fits 2003–early 2004 5.9L (305 HP) engines. For 2004.5–2007 (325 HP), shop the corresponding DragonFly/stock injector listings for those years.
