Product Description
Unlock reliable rail pressure and added fueling with the Industrial Injection 0986437332SHOSE Modified 42% CP3 for the 2006-2010 GM Duramax 6.6L LBZ/LMM. Built from a genuine Bosch CP3 and remanufactured with brand-new OEM internals, this pump is precision-balanced and calibrated, then modified to deliver approximately 42% more flow than stock-ideal from mild street builds to aggressive injector/turbo combinations.
Fitment
- GM/Chevy Silverado & GMC Sierra 2500/3500 HD - 6.6L Duramax LBZ (2006-2007), LMM (2007.5-2010)
- Direct bolt-in replacement for factory CP3 on LBZ/LMM platforms
Why This CP3
- ~42% over stock flow for stronger high-rpm rail pressure and headroom with larger injectors
- Remanufactured using brand-new Bosch OEM internals and tight-tolerance calibration
- 1-Year, unlimited-mileage warranty (manufacturer)
- $300 core charge (core return required)
Recommended Supporting Parts
For best results and pump longevity, pair with a quality lift pump/filtration and matched injectors/tuning:
- FASS fuel systems & lift pumps
- Duramax fuel filtration & filter accessories
- GM Duramax CP3 pumps & components
- LBZ +45% injector set (example)
- S&S LBZ-based CP3 (new)
- Shop all GM Duramax parts
What's Included
- Industrial Injection Modified 42% CP3 Pump (LBZ/LMM)
- Core return paperwork
Install Notes
- Professional installation recommended; prime system and verify no air leaks.
- For builds with larger injectors/turbo, add a CP3-compatible lift pump and proper calibration.
FAQ
Will this work with stock injectors?Yes. It's a drop-in for LBZ/LMM and will operate with stock injectors. You'll realize the most benefit when paired with upgraded injectors/tuning.
Do I need a lift pump?Highly recommended for performance and pump longevity. See our FASS fuel systems.
What power can a 42% over CP3 support?Varies by combo. With adequate supply, turbo, injectors, and tuning, a 42% CP3 supports sizable gains while maintaining rail pressure compared to stock.
Core charge & warranty?$300 refundable core upon return inspection; 1-Year unlimited-mileage limited warranty from Industrial Injection.
| Brand | Industrial Injection |
| Part Number | 0986437332SHOSE |
| GTIN | 840256910889 |
| UPC | 840256910889 |
| Engine Compatibility | 2006–2010 GM 6.6L Duramax LBZ/LMM |
| Configuration | Modified 42% over stock Bosch CP3 injection pump; includes high-flow fittings and hose kit |
| Country of Origin | Assembled in USA from Bosch components |
| Core Charge | $300.00 refundable core (required at checkout) |
| Shipping Method | Standard Ground or Expedited (UPS/FedEx) |
| Shipping Weight | ~25 lb (11.3 kg) |
| Package Dimensions | Approx. 14″ × 10″ × 8″ |
| Prop 65 Warning | This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |