6.6L LB7 Duramax CP3 Bag of Parts - Industrial Injection - 432403

Industrial Injection 6.6L LB7 Duramax CP3 Bag of Parts | DIY 19% Fuel Upgrade for Stock CP3
Unlock more performance from your 2001-2004 6.6L LB7 Duramax with the Industrial Injection CP3 Bag of Parts . Designed for diesel enthusiasts who want to upgrade their stock Bosch CP3 injection pump , this do-it-yourself kit increases fuel delivery by approximately 19% , supporting gains of up to 50+ horsepower when paired with the proper supporting modifications.
If you're looking for an affordable way to improve fuel system performance without purchasing a complete modified CP3 pump, this upgrade kit delivers proven results while maintaining the reliability of your factory injection pump.
Key Features
Increases fuel delivery by approximately 19%
Supports gains of up to 50 HP+
DIY upgrade for your factory Bosch CP3 injection pump
Cost-effective alternative to a complete performance CP3
Maintains stock pump fitment
Ideal for towing, daily driving, and mild performance builds
Engineered by Industrial Injection for dependable performance
Recommended Performance Combination
For the best results, pair this CP3 upgrade with:
15% over 60 HP Injectors
This combination provides improved airflow and fueling, resulting in better throttle response, increased horsepower, and enhanced overall drivability.
Why Upgrade Your CP3?
Your factory CP3 pump can become a limiting factor as performance modifications are added. By increasing the pump's fuel output by nearly 20%, the Industrial Injection CP3 Bag of Parts helps support additional horsepower while providing the fuel volume needed for upgraded injectors and turbochargers.
Whether you're building a dependable tow rig or a fun daily-driven performance truck, this upgrade offers an excellent balance of value and performance.
Applications
Fits 2001-2004 GM Duramax 2500 and 3500
6.6L LB7 Duramax Diesel
Factory Bosch CP3 Injection Pump
Emissions Information
SEMA Certified Emissions Compliant
Certificate Number: SC-IDI01-0110
Why Choose Industrial Injection?
For over 40 years, Industrial Injection has been a trusted leader in diesel performance, engineering high-quality fuel system components, turbochargers, injectors, and complete engine solutions for Cummins, Duramax, and Power Stroke applications. Every product is designed to deliver reliable performance, increased power, and the durability diesel owners demand.
Install Instructions