LLY Duramax New CP3 Pump – DDP NCP3-308

Restore reliable high-pressure fuel delivery to your 2004.5–2005 6.6L Duramax LLY with the Dynomite Diesel (DDP) NCP3-308 brand-new stock replacement CP3 injection pump.

This is a complete, ready-to-install unit built to the same quality standards as Dynomite Diesel’s performance pumps. It is a direct replacement for the factory CP3—no core return required. Each pump includes a new fuel pressure regulator and is designed for straightforward installation.

Key Features

• Brand-new stock replacement CP3 (not remanufactured)
• No core charge
• Includes new fuel pressure regulator
• Direct bolt-in replacement for the OEM pump
• Restores proper rail pressure and fuel delivery
• 2-year unlimited mileage warranty

Fitment

• 2004.5–2005 Chevrolet Silverado 2500HD / 3500HD
• 2004.5–2005 GMC Sierra 2500HD / 3500HD
• 6.6L Duramax LLY engines only

Ideal for trucks experiencing hard starts, low rail pressure, power loss under load, or other symptoms of a failing CP3. The NCP3-308 brings your fuel system back to reliable factory-level performance with the confidence of a brand-new unit from one of the most respected names in diesel injection.