Industrial 0986437303SE-IIS Reman Injection CP3 Pump | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Features:

• Direct replacement for factory CP3 pump
• Fits 2001–2004 LB7 Duramax engines
• Remanufactured to meet OEM specifications
• Ideal for stock or lightly modified trucks
• Restores proper fuel rail pressure
• Supports reliable daily driving performance
• Built for durability and long-term use
• Compatible with factory fuel system components
• Includes refundable $400 core charge
• Professionally tested and quality inspected
• Designed to maintain factory fuel delivery
• Perfect solution for worn or failed pumps

Bring Your LB7 Back To Life With Confidence

If your Duramax has been feeling sluggish or throwing fuel-related codes, it might be time to bring the heart of your injection system back to factory form. The Industrial Injection Reman CP3 Pump is built for 2001–2004 GM Silverado and Sierra 2500HD or 3500HD trucks running the LB7 6.6L engine. Designed as a direct stock replacement, this remanufactured pump gives your truck the fuel pressure and reliability it was meant to have right off the showroom floor. It’s the perfect choice if your original CP3 is worn out, leaking, or just not keeping up anymore. You don’t need wild tuning or major mods to see the benefits, this pump restores drivability, smooth starts, and consistent throttle response. And because it’s been professionally rebuilt and tested, you can drop it in with peace of mind knowing it’s ready for the road. Whether you're daily driving or towing on weekends, this is the kind of maintenance that brings real results.

Precision Remanufactured For Reliable Stock Performance

The Industrial 0986437303SE-IIS CP3 Pump is a remanufactured fuel injection pump engineered to match OEM standards for the 2001–2004 Duramax LB7 platform. It is calibrated for stock fueling demands, making it ideal for trucks that maintain factory specs or only mild upgrades. Every pump goes through a detailed reman process that includes inspection, replacement of worn internal components, and precision testing to ensure proper fuel rail pressure and flow under load. It’s a drop-in replacement that works seamlessly with your existing fuel system, sensors, and ECM programming. With a refundable $400 core charge, it also offers long-term value when your old pump is returned in rebuildable condition. This CP3 helps resolve hard start issues, low rail pressure faults, and general performance decline caused by a failing original pump. For diesel owners who want dependable, OEM-quality fueling without the expense of a brand new unit, this is a smart, cost-effective solution.

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

Notes:

• Designed as a stock replacement for LB7 Duramax engines
• Compatible with 2001–2004 Silverado and Sierra 2500HD/3500HD
• Ideal for trucks maintaining factory fuel system specifications
• Remanufactured to meet or exceed OEM performance standards
• Helps resolve common CP3 issues like low rail pressure
• Includes a $400 core charge refundable with rebuildable return
• Not intended for high-performance or racing applications
• Currently subject to a 3–6 week backorder from Industrial Injection
• Customers can call to arrange sending cores early to reduce wait time
• Professional installation is recommended for best results