Product Description
Feed your LMM the fuel it needs with the Exergy E04 10405 Sportsman CP3 Pump. Built on the durable LBZ-based CP3 architecture and calibrated/flow-verified by Exergy Performance, this pump delivers stable rail pressure, OE-like drivability, and dependable performance for 2007.5–2010 Duramax 6.6L LMM trucks.
Key Benefits
- LBZ-based CP3 design for smooth, consistent fueling and long service life
- Exergy-calibrated and flow-verified for repeatability and quality control
- Excellent choice for stock to lightly modified LMM applications
- Direct-fit replacement using factory lines, brackets, and drive
Fitment
- Make/Model: Chevrolet Silverado 2500HD/3500HD; GMC Sierra 2500HD/3500HD
- Engine: Duramax 6.6L LMM
- Years: 2007.5, 2008, 2009, 2010
What’s Included
- Exergy E04 10405 Sportsman CP3 Pump (LBZ-based)
- Unit assembled and calibrated by Exergy Performance
- Basic installation guidance
Recommended Supporting Parts
Protect your investment and stabilize supply pressure with proven add-ons:
- GM Duramax Lift Pumps (AirDog / FASS)
- Exergy LMM Injector Sets (choose flow to match your goals):
- Duramax Gaskets & Seals
- Shop All Exergy Performance
Install Notes
- Professional installation recommended. Thoroughly prime and bleed the fuel system after install.
- No tuning required for stock fueling; tuning helps optimize gains with larger injectors or turbo upgrades.
- Maintain clean fuel and quality filtration—contamination is the #1 cause of pump failure.
Frequently Asked Questions
Q: Will this CP3 bolt into my LMM without adapters?
A: Yes. It’s a direct bolt-in for 2007.5–2010 LMM trucks using factory lines and mounting points.
Q: Do I need a lift pump with this CP3?
A: Highly recommended for stable supply pressure and better filtration. See our Duramax lift pumps.
Q: Which injectors pair well with this pump?
A: For stock/tow, 30–45% over injectors are common. Performance builds may choose 60%–300% over sets. See Exergy LMM options listed above.
Q: Core charge?
A: Some CP3s include a refundable core charge. If applicable, details will appear in product options or at checkout.
Q: Warranty?
A: Covered under Exergy’s manufacturer warranty. Keep proof of purchase and follow proper install and filtration practices.
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.
