Dynomite Diesel CP3-308 Stock Repalcement CP3 | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Features:

• Direct replacement for stock CP3 pump
• Includes new fuel pressure regulator
• Remanufactured to meet OEM standards
• Ready to install out of the box
• Same quality as Dynomite performance parts
• Supports clean, reliable fuel delivery
• Ideal for daily driving and towing
• Not legal for sale in California

Premium Replacement CP3 for LLY Duramax

If your LLY-powered Duramax is starting to show signs of weak fuel pressure, hard starts, or sluggish throttle response, it might be time to take a hard look at the CP3 pump. The Dynomite Diesel Stock Replacement CP3 is built specifically for 2004.5–2005 GM 2500HD and 3500HD trucks with the 6.6L Duramax LLY—and it’s a smart, no-hassle way to restore your fuel system’s performance to like-new condition. This isn’t a patched-up core or a questionable rebuild. Dynomite Diesel applies the same attention to detail and quality control in their stock replacement parts as they do in their high-performance line. What you’re getting is a fresh, remanufactured CP3 pump that’s been thoroughly inspected, tested, and equipped with a brand-new fuel pressure regulator right out of the box. It’s ready to bolt on—no tuning or no modifications.

Durable and Reliable Design

For guys who rely on their truck every day—whether it's towing, hauling, or long highway miles—this CP3 is built to handle the demands of daily driving without missing a beat. It's perfect for those who want reliable factory-level performance without the inflated cost of a new OE unit. And because it comes from a trusted name like Dynomite Diesel, you know you're getting a part that’s built to last.

Fits: 2004.5-2005 GM GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY