Product Description
Feed serious power goals on your 5.9L with the Exergy E04 20010 550 Alpha Stroker CP3. This race-bred, 6.7C-based stroker CP3 delivers the fuel volume and rail stability your 2003–2007 Cummins 5.9L common-rail needs for big injectors and high boost—while retaining crisp, repeatable control from idle to WOT.
Key Benefits
- 6.7C-based Alpha Stroker CP3 for increased displacement and high-RPM supply
- Exergy-calibrated and flow-verified for consistency under load
- Designed to pair with performance common-rail injector sets
- Built for street/strip, sled pull, and competition builds
Fitment
- Vehicle: Dodge Ram 2500/3500
- Engine: Cummins 5.9L 24V Common Rail (CR)
- Years: 2003, 2004, 2004.5, 2005, 2006, 2007
What’s Included
- Exergy E04 20010 550 Alpha Stroker CP3 (6.7C-based)
- Pre-calibrated pump assembly ready for install
Required / Recommended Supporting Parts
- HP Line Adaptation (5.9L → 6.7L CP3): For 6.7C-based CP3 conversions on 5.9L, use the Fleece high-pressure line kit: Fleece FPE-CUMM-CP3-FL-ADPT-KIT.
- Lift Pump / Supply: Stabilize inlet pressure and filtration: 03–07 Cummins Lift Pumps.
- Exergy Injectors (Exergy brand only):
- 03–04 (early 5.9): E02 20120 NEW 50HP Set and more under Exergy 03–07 Cummins Injectors.
- 04.5–07 (late 5.9): E02 20221 NEW 100HP Set, E02 20206 NEW 45% Over Set, and additional options in Exergy 03–07 Cummins Injectors.
- Browse CP3 Components: 03–07 Cummins CP3 Pumps & Components.
Install Notes
- Because this is a 6.7C-based CP3 on a 5.9L, use the correct HP line/adaptation kit noted above.
- Prime/bleed the system thoroughly after install; verify commanded vs. actual rail pressure.
- Tuning is required when pairing with larger injectors/turbo to fully utilize pump capacity.
- Maintain excellent filtration and clean fuel to protect the CP3 and injectors.
Frequently Asked Questions
Q: Will this bolt onto my 5.9L without extra parts?
A: The pump is 6.7C-based; you’ll need the HP line adaptation kit for a 5.9L install (linked above).
Q: What injectors pair best?
A: Choose Exergy sets to match your power target—50–100HP “street” sets for tow/street, or 45%+ over for higher output. See the Exergy 03–07 Cummins injectors linked above.
Q: Do I need a lift pump?
A: Yes, highly recommended to stabilize feed pressure and protect the CP3—see our 03–07 Cummins lift pumps.
Q: Core charge and warranty?
A: Many Exergy pumps are covered by manufacturer warranty; core policy varies by SKU. Details appear on the product options/checkout pages.
About Exergy Performance
Exergy’s precision common-rail components are engineered for accuracy and repeatability—from Sportsman to Alpha race pumps. Explore the full brand lineup here: Exergy at CPP Diesel.