Industrial 0445020017-IIS New CP3 Injection Pump | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Features:

• Brand new OEM-based CP3 injection pump
• Modified in-house with new OEM components
• Flows 42% to 120% over stock levels
• Balanced to tighter-than-factory tolerances
• Suitable for stock or fully built engines
• Improves fuel delivery and performance
• Reliable for daily driving or competition use
• Engineered for 2001–2004 LB7 Duramax engines
• Built for long-lasting durability and precision
• Tested for consistent and optimal fuel flow
• Direct replacement for factory CP3 pump

Get More Out Of Your Duramax Without Compromise

When your 2001-2004 LB7 Duramax needs reliable power delivery, the Industrial Injection New CP3 Injection Pump delivers the goods. Whether you're daily driving, towing heavy loads, or pushing limits at the track, this pump is ready for it all. It starts as a brand new OEM CP3, then gets carefully modified in-house with brand new factory components for maximum reliability and performance. You’re not getting a rebuilt or remanufactured unit, you’re getting something stronger, smarter, and built for real-world demands. With fuel flow capabilities up to 120 percent over stock, this pump gives your Duramax the fuel it needs to breathe harder and respond quicker. And the best part? It's balanced to tighter tolerances than the original manufacturer, meaning better consistency and peace of mind every time you put your foot down. No matter your build or driving style, this CP3 is ready to meet the challenge.

Precision Fuel Control Built From The Ground Up

The 0445020017-IIS CP3 Injection Pump from Industrial Injection is a carefully engineered upgrade for your 2001-2004 Silverado or Sierra 2500HD/3500HD with the 6.6L LB7 Duramax. Built entirely from brand new OEM parts, this pump is not just a performance piece, it’s a precision-balanced system designed to handle everything from stock trucks to full competition builds. Every unit is flow-tested and matched to deliver between 42 percent and 120 percent more fuel than the factory CP3, offering headroom for higher horsepower applications without sacrificing drivability. Internal balancing is done with tighter clearances than OEM specs to reduce wear and improve long-term durability. Because the pump is built in-house with strict quality control, you can trust it to maintain consistent output under heavy throttle or continuous load. Installation is straightforward thanks to its direct-fit design, allowing you to drop it in without special modifications. Whether you're after more power, better throttle response, or a fuel system that keeps up with your engine upgrades, this CP3 is the dependable solution.

Fits: 2001, 2002, 2003, 2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Notes:

• Built from a brand new OEM CP3 pump
• Not a remanufactured or rebuilt unit
• Modified in-house using all new OEM parts
• Balanced to tighter-than-factory tolerances
• Fuel flow options range from 42% to 120% over stock
• Supports stock trucks and high-performance builds
• Designed for 2001–2004 GM 6.6L Duramax LB7 engines
• Tested for consistent and reliable fuel delivery
• Ideal for daily driving, towing, or competition use