Product Description
S&S Diesel 305-20SAC-R-SET — 20% Over Early 5.9 Injector Set (Reman) — 2003–2004 Ram Cummins 5.9L 24V
Give your early common-rail 5.9 the crisp fueling it deserves. The S&S Diesel 305-20SAC-R-SET is a matched set of six remanufactured injectors, sized 20% over stock for clean, usable power on the 2003–2004 Dodge Ram 2500/3500 5.9L 24-valve Cummins. Built to OE standards with SAC nozzles and tight flow matching, these injectors deliver consistent balance cylinder-to-cylinder.
- Set of six (reman) early 5.9 CR injectors, 20% over stock
- SAC nozzle technology with tight set matching for smooth idle and response
- Direct fit for 2003–2004 Ram 2500/3500 5.9L 24V (early)
Fitment
2003–2004 Dodge Ram 2500/3500 with 5.9L Cummins 24-valve (early) common-rail. Not for 2004.5–2007 late 5.9 applications.
What’s Included
- (6) Remanufactured S&S 20% over early 5.9 injectors
- Flow-matched set with SAC nozzles
- Installation/usage documentation (typical)
Recommended Parts (CPP Internal Links)
- 03–04 Cummins Injectors Category — compare early 5.9 injector sizes and options at CPP.
- 03–07 Cummins Injector Service Parts — connector/feed tubes, seal kits, and related install hardware.
- 03–07 Cummins Fuel System Components — CP3 pumps, lift pumps, filters, and line kits to support injector upgrades.
Helpful Notes
- Professional installation is recommended; always use clean fuel system practices.
- Pair with a healthy CP3 and adequate lift-pump supply for best results.
- Core return policies and fees vary by vendor; retain your original injectors until your core is processed.
FAQ
Are these injectors truly “early” 5.9 fitment?Yes. This set is intended for 2003–2004 (early) 5.9L Cummins common-rail applications only. Late-2004.5–2007 sets differ.
How much horsepower will 20% over injectors support?Results vary by turbo, CP3, tuning, and vehicle condition. As a rule of thumb, 20% over injectors support mild-to-moderate power increases with proper air and fuel supply.
Do I need to replace connector/feed tubes?It’s strongly recommended on high-mileage trucks or when tubes show wear. See our 03–07 injector parts for new tubes and seals.
Will these work without tuning?Many customers run 20% sets on stock ECMs, but custom calibration can optimize smoke control, drivability, and balance rates.
