Product Description
Unlock balanced power and clean fueling on your early 5.9L common-rail Cummins with the EXERGY E02 20105 NEW 30% OVER INJECTOR SET. Precision-matched and flow-verified by Exergy Performance, these injectors deliver ~30% more capacity over stock while maintaining excellent street manners and drivability.
Key Benefits
- Brand-new Exergy injectors (not reman) with ~30% over stock flow
- Tight cylinder-to-cylinder balance for smooth idle and clean emissions
- Ideal for towing and street performance with proper supporting mods
- Tested, calibrated, and documented by Exergy Performance
Fitment
- Vehicle: 2003–2004 Dodge Ram 2500/3500
- Engine: 5.9L Cummins 24V (early common-rail, 2003–early 2004)
- Direct replacement for OE common-rail injectors (6-piece set)
What’s Included
- (6) New Exergy 30% Over Injectors — matched set
- Flow data from Exergy (where provided)
- Basic installation guidance
Recommended Supporting Parts
Pair your injectors with components that stabilize supply pressure and protect the fuel system:
- 03–07 Cummins CP3 Injection Pumps (incl. Exergy builds)
- 03–07 5.9L Fuel System Components (lift pumps, filtration, rails/sensors)
- Injector Connector (Feed) Tubes – 03–18 Cummins
- Injector Install Kits, seals & related items
- Shop Exergy 03–07 Cummins Injectors (all sizes)
- All Exergy Performance at CPP Diesel
Install Notes
- Always install new connector (feed) tubes or inspect/clean thoroughly; torque to spec.
- Use quality filtration and prime/bleed system after install.
- Custom tuning recommended to fully realize performance and maintain clean combustion.
Frequently Asked Questions
Q: Are these injectors new or reman?
A: This set is brand new from Exergy (not remanufactured).
Q: What power level can 30% overs support?
A: With proper air (turbo) and fuel supply (lift pump/CP3), many builds see a strong towing/street setup. For larger goals, consider Exergy 45–100%+ options on our Exergy Cummins injector page.
Q: Do I need tuning?
A: Recommended. Proper calibration optimizes idle quality, smoke control, EGTs, and overall performance.
Q: Should I replace connector tubes?
A: Yes—worn tubes can cause sealing issues and balance problems. See our connector tube set linked above.
About Exergy Performance
Exergy is a leader in precision common-rail fuel system components for Cummins and Duramax platforms. Explore more: Exergy at CPP Diesel.
