Fleece FPE-FL-DMAX-LBZLMM-SET High Pressure Injector Line Kit | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Features:

• Direct replacement for stock injector lines
• Fits 2007.5–2010 6.6L Duramax LMM engines
• Compatible with Silverado and Sierra 2500HD/3500HD
• Includes full set of eight fuel lines
• Replaces GM part numbers for all cylinders
• Solves cracked, leaking, or worn injector lines
• Precision-bent for factory-like fit and routing
• High-quality construction for long-lasting performance
• Designed for high-pressure fuel systems
• Easy install with no modifications required
• Ideal for stock or mildly tuned trucks
• Manufactured by Fleece Performance Engineering

Stop Leaks And Keep Your Duramax Running Strong

If your 6.6L Duramax is starting to show signs of injector line wear, don’t wait for a failure to leave you stranded. The Fleece High Pressure Injector Line Kit is the perfect solution for cracked, leaking, or aging lines that can rob your engine of performance and reliability. This kit is a complete, ready-to-install set of eight replacement lines that match factory fit and function. Whether you're freshening up an old work truck or restoring a daily driver, these lines ensure your fuel system is sealed tight and flowing strong. Made to meet the demands of high-pressure diesel injection, they help maintain the power, fuel economy, and smooth operation your Duramax was built for. The installation is straightforward, and because they're direct replacements, there’s no need to bend or modify anything. It’s a simple upgrade that brings real peace of mind, especially if your stock lines are past their prime.

Complete Factory Matched Fuel Line Set For LMM Engines

The Fleece FPE-FL-DMAX-LBZLMM-SET High Pressure Injector Line Kit is engineered specifically for the 2007.5–2010 GM 6.6L Duramax LMM platform. This set includes eight lines that replace GM part numbers 98006523, 98006524, 98006526, and 98006527, covering all cylinders for a full system refresh. Each line is precision-formed to match the exact routing and fitment of the factory lines, ensuring seamless installation and consistent fuel delivery. These lines are designed to withstand the extreme pressures of modern common-rail diesel injection systems, reducing the risk of leaks or failures that could compromise performance or damage other components. They're ideal for stock or lightly modified trucks, especially those beginning to show signs of fuel line fatigue. Whether you’re performing a routine maintenance overhaul or replacing compromised hardware, this kit provides everything needed for a solid, leak-free install. Fleece Performance builds each line with long-term reliability in mind, so you can drive with confidence knowing your fuel system is sealed and secure.

Fits: 2007.5, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Notes:

• Designed for 2007.5–2010 GM 6.6L Duramax LMM engines
• Compatible with Silverado and Sierra 2500HD/3500HD models
• Direct replacement for factory high pressure fuel lines
• Includes all 8 injector lines needed for complete install
• Replaces GM part numbers: 98006523, 98006524, 98006526, and 98006527
• Ideal for repairing cracked, leaking, or worn factory lines
• Precision-formed to match OEM routing and fitment
• No modification required for installation
• Recommended during injector replacement or fuel system overhaul
• Manufactured by Fleece Performance Engineering
• Not compatible with other Duramax engine generations
• Professional installation recommended for optimal fit and performance