Product Description
Build a serious LMM fuel system with the Exergy E04 10409 14mm Stroker CP3 Pump – Race Series. This LBZ-based single CP3 is engineered for high horsepower Duramax builds, delivering massive rail pressure with OE-like control for competition-focused setups.
Key Benefits
- 14mm Race Series stroker CP3 for extreme fuel delivery
- LBZ-based architecture for proven durability and smooth control
- Capable of supporting four-figure horsepower builds (application-dependent)
- Avoids the complexity of dual-pump setups while retaining strong drivability when properly tuned
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: 6.6L Duramax LMM
- Years: 2007.5, 2008, 2009, 2010
- Direct bolt-in with factory-style lines and mounting (LBZ-based CP3 for LMM)
What’s Included
- Exergy E04 10409 14mm Stroker CP3 Pump – Race Series (LBZ-based)
- Bench-calibrated and flow-verified by Exergy
- Basic installation guidance
Recommended Supporting Parts
To stabilize supply pressure and match fuel mass to your power goals, pair with a quality lift pump and Exergy-brand LMM injectors:
- GM Duramax Lift Pumps (AirDog / FASS)
- Exergy LMM Injector Sets:
- GM CP3 Pumps & Components
- Duramax Gaskets & Seals
- Shop All Exergy Performance
Install Notes
- Professional installation and system priming/bleeding are required.
- Tuning is strongly recommended, especially with larger injectors and turbo(s).
- Maintain excellent filtration and clean fuel; contamination is the #1 cause of pump failure.
- Competition/Off-road use only where permitted by law.
Frequently Asked Questions
Q: How much power can this support?
A: With the right combination of injectors, turbo(s), tuning, and fuel quality, this 14mm Race Series pump can support four-figure horsepower builds.
Q: Do I still need a lift pump?
A: Yes. A quality lift pump helps stabilize supply pressure, improve filtration, and extend CP3 life. See our lift pump options.
Q: Will this pump bolt on like stock?
A: Yes. It’s LBZ-based with factory-style connections for the LMM platform.
Q: Is there a core charge?
A: If applicable, any refundable core details will appear in the product options or at checkout.
Q: Warranty?
A: Covered under Exergy’s manufacturer policy; follow proper installation and filtration practices and retain proof of purchase.
About Exergy Performance
Exergy is known for precision fuel system components for late-model diesel platforms. Browse the full lineup here: Exergy Performance at CPP Diesel.