06-10 GM 2500/3500 DURAMAX LBZ/LMM CP3 STOCK REPLACEMENT

Stock Replacement CP3 Injection Pump for 2006–2010 Duramax LBZ/LMM

Keep your 6.6L Duramax running at peak performance with this direct stock replacement CP3 high-pressure fuel injection pump from Fleece Performance. Engineered to restore factory fuel delivery on your 2006–2010 GM 2500/3500 equipped with the LBZ or LMM engine, this pump installs without modification and gets you back on the road fast.

Why Replace Your CP3?

The CP3 pump is the heart of your Duramax common rail fuel system. A worn or failing pump leads to hard starts, rough idle, loss of power, and excessive smoke. Replacing it with a quality unit restores proper rail pressure and protects your injectors from premature wear.

Features

• Direct OEM stock replacement — no modifications required
• Restores factory fuel rail pressure and delivery volume
• Compatible with 2006–2007 LBZ and 2007.5–2010 LMM Duramax engines
• Built by Fleece Performance, a trusted name in diesel fuel system components
• Ideal for high-mileage trucks needing a reliable, cost-effective pump replacement

Fitment

• 2006–2007 GM 2500/3500 Duramax LBZ
• 2007.5–2010 GM 2500/3500 Duramax LMM

Whether you're maintaining a work truck or keeping a daily driver on the road, this CP3 replacement delivers the reliability your Duramax demands.