Product Description
Feed big power goals on your LMM with the Exergy E04 10407 12mm Stroker CP3 Pump. Built on robust LBZ-based architecture and stroked to 12mm for higher displacement, this Exergy Performance CP3 delivers the fuel volume and pressure stability demanded by tuned and competition-oriented 2007.5–2010 Duramax 6.6L LMM builds—while preserving precise control and drivability when properly calibrated.
Key Benefits
- 12mm stroker CP3 increases pump displacement for higher fuel delivery
- LBZ-based core for durability and smooth fueling characteristics
- Exergy-calibrated and flow-verified for consistency and repeatability
- Direct-fit to LMM with factory-style lines and mounting
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LMM
- Years: 2007.5, 2008, 2009, 2010
What’s Included
- Exergy E04 10407 12mm Stroker CP3 Pump (LBZ-based)
- Bench-calibrated/flow-verified assembly
- Basic installation guidance
Recommended Supporting Parts
For reliable rail pressure and pump longevity, pair your CP3 upgrade with a quality lift pump and Exergy-brand injectors:
- GM Duramax Lift Pumps (AirDog / FASS)
- Exergy LMM Injector Sets:
- Shop All Exergy Performance
- Duramax Gaskets & Seals
Install Notes
- Lift pump strongly recommended/typically required for supply pressure and filtration.
- Tuning recommended to manage commanded rail pressure and fueling with larger injectors.
- Prime/bleed the system thoroughly after install; maintain clean fuel and filtration.
Frequently Asked Questions
Q: Will this CP3 bolt onto my LMM with factory lines?
A: Yes. It installs using factory-style lines, brackets, and drive—no custom adapters required.
Q: How big of an injector can this support?
A: The 12mm stroker supports substantially larger injectors; match to your power goals and consult our Exergy catalog or the specific LMM injector links above.
Q: Do I need a lift pump with a stroker CP3?
A: Yes—plan on a quality lift pump to stabilize supply pressure and protect the CP3. See our Duramax lift pump category.
Q: Is there a core charge?
A: Many CP3s include a refundable core. If applicable, it will be shown in the product options or at checkout.
Q: Warranty?
A: Covered by Exergy’s manufacturer warranty. Keep proof of purchase and follow correct install/filtration procedures.
About Exergy Performance
Exergy is a leader in precision diesel fuel system components for Duramax platforms and more. Explore the full lineup here: Exergy Performance at CPP Diesel.
