Industrial 0986437308SHO Reman 42% Over CP3 Pump | 2004.5-2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Features:

• Flows 42% more fuel than stock
• Built from genuine OEM CP3 core
• Remanufactured with all new OEM parts
• Balanced to tighter-than-factory tolerances
• Supports mild tuning and performance upgrades
• Reliable for daily driving or towing
• Delivers smooth and consistent fuel output
• Direct-fit for 2004.5–2005 Duramax LLY engines
• Performs well in stock to moderately built trucks
• Fully rebuilt and tested in-house
• Improves throttle response and efficiency

Step Up Your Fueling Without Losing Street Manners

If your 2004.5-2005 Duramax LLY is ready for a little more power but you still want it to drive like a truck you can use every day, the Industrial Injection 42% Over Reman CP3 Pump is a perfect middle ground. It delivers just enough extra fuel to support mild tuning, towing, and better throttle response without the need for major modifications. Whether you're upgrading your injectors or just looking for a solid CP3 that performs better than stock, this pump offers the boost without the headache. Built from a genuine OEM CP3 and remanufactured in-house with brand new OEM components, it's designed for long-lasting performance. Each pump is carefully balanced beyond factory tolerances, ensuring smooth operation and consistent output even when the demands go up. It bolts in just like your original, but you’ll feel the difference the first time you hit the throttle. This is the kind of upgrade that makes your truck feel stronger, more responsive, and ready to pull.

Tuned For Efficiency And Balanced For Performance

The Industrial 0986437308SHO Reman 42% Over CP3 Pump is a purpose-built upgrade for 2004.5-2005 GM 6.6L Duramax LLY owners who need improved fueling without jumping straight into a competition setup. Starting with a genuine stock OEM CP3, Industrial Injection completely remanufactures the unit in-house using 100 percent brand new factory components. The pump is then modified to increase fuel flow by 42 percent over stock, making it an ideal fit for trucks running light performance tuning or upgraded injectors. Every unit is also balanced to tighter-than-OEM specifications to improve precision, reduce vibration, and ensure long-term reliability. This tighter balance helps maintain consistent fuel pressure during varying load conditions, improving both throttle response and drivability. The pump is thoroughly tested for quality and consistency before leaving the shop, ensuring you're getting a unit that performs as advertised. Whether your truck is used for daily work, light towing, or a modest build, this CP3 provides reliable fueling to support your goals.

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

Notes:

• Built from a genuine OEM CP3 core
• Fully remanufactured in-house with all new OEM parts
• Modified to deliver 42% more fuel than stock
• Balanced to tighter-than-factory specifications for smoother operation
• Ideal for mild performance upgrades and daily driving
• Compatible with 2004.5–2005 GM 6.6L Duramax LLY engines
• Performs well with light tuning and upgraded injectors
• Tested for consistent and reliable fuel output
• Drop-in replacement that installs like the factory unit