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
Specifications
| Manufacturer | Industrial Injection |
|---|---|
| Part Number | 0986437332SHOSE |
| Base (Bosch) Reference | 0 986 437 332 (CP3) |
| Flow Increase | ~42% over stock |
| Core Charge | $300 (return required) |
| Warranty | 1 Year, unlimited mileage (manufacturer) |
| UPC | Not published by manufacturer |
| GTIN | Not published (Bosch base PN: 0986437332) |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
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.
