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Fleece Performance LB7 Injection Line Set – 2001-2004 Duramax 6.6L
Don’t let old, corroded injection lines ruin your injector replacement or damage your fuel system. The Fleece Performance LB7 Injection Line Set is a premium, direct-fit upgrade for your 2001–2004 LB7 Duramax, engineered to eliminate a common source of fuel contamination and injector failure.
Why Upgrade?
The original LB7 injector lines are notorious for rusting, corroding, and even breaking—leading to fuel system contamination, injector damage, and poor engine performance. Whether you're replacing injectors, fixing a line failure, or simply preventing future issues, this kit is the smart, long-term solution.
Key Features:
✅ Complete 8-Line Set: Includes all 8 new fuel lines needed to replace your factory set.
✅ High-Strength Construction: Each line features machined 4140 injector swivel nuts for superior durability and a perfect fit.
✅ Corrosion-Resistant Coating: Designed to withstand harsh conditions and resist rust far better than the original factory lines.
✅ Direct Replacement: Bolt-on fit for all 2001–2004 LB7 Duramax engines with no modifications required.
What’s Included:
(Qty 2) Lines for Cylinders 1 & 8 – Replaces GM Part #97188720
(Qty 2) Lines for Cylinders 2 & 7 – Replaces GM Part #97188723
(Qty 2) Lines for Cylinders 3 & 6 – Replaces GM Part #97188721
(Qty 2) Lines for Cylinders 4 & 5 – Replaces GM Part #97188722
Vehicle Fitment:
Engine: 6.6L LB7 Duramax
Years: 2001–2004
Fuel Type: Diesel
Condition: New
Protect your investment and restore your fuel system’s reliability with this high-quality, corrosion-resistant LB7 Injection Line Set from Fleece Performance—built to outlast and outperform OEM lines
Fleece Performance LB7 Injection Line Set – 2001-2004 Duramax 6.6L
Don’t let old, corroded injection lines ruin your injector replacement or damage your fuel system. The Fleece Performance LB7 Injection Line Set is a premium, direct-fit upgrade for your 2001–2004 LB7 Duramax, engineered to eliminate a common source of fuel contamination and injector failure.
Why Upgrade?
The original LB7 injector lines are notorious for rusting, corroding, and even breaking—leading to fuel system contamination, injector damage, and poor engine performance. Whether you're replacing injectors, fixing a line failure, or simply preventing future issues, this kit is the smart, long-term solution.
Key Features:
✅ Complete 8-Line Set: Includes all 8 new fuel lines needed to replace your factory set.
✅ High-Strength Construction: Each line features machined 4140 injector swivel nuts for superior durability and a perfect fit.
✅ Corrosion-Resistant Coating: Designed to withstand harsh conditions and resist rust far better than the original factory lines.
✅ Direct Replacement: Bolt-on fit for all 2001–2004 LB7 Du[...]
Fleece Performance LB7 Injection Line Set – 2001-2004 Duramax 6.6L
Don’t let old, corroded injection lines ruin your injector replacement or damage your fuel system. The Fleece Performance LB7 Injection Line Set is a premium, direct-fit upgrade for your 2001–2004 LB7 Duramax, engineered to eliminate a common source of fuel contamination and injector failure.
Why Upgrade?
The original LB7 injector lines are notorious for rusting, corroding, and even breaking—leading to fuel system contamination, injector damage, and poor engine performance. Whether you're replacing injectors, fixing a line failure, or simply preventing future issues, this kit is the smart, long-term solution.
Key Features:
✅ Complete 8-Line Set: Includes all 8 new fuel lines needed to replace your factory set.
✅ High-Strength Construction: Each line features machined 4140 injector swivel nuts for superior durability and a perfect fit.
✅ Corrosion-Resistant Coating: Designed to withstand harsh conditions and resist rust far better than the original factory lines.
✅ Direct Replacement: Bolt-on fit for all 2001–2004 LB7 Duramax engines with no modifications required.
What’s Included:
(Qty 2) Lines for Cylinders 1 & 8 – Replaces GM Part #97188720
(Qty 2) Lines for Cylinders 2 & 7 – Replaces GM Part #97188723
(Qty 2) Lines for Cylinders 3 & 6 – Replaces GM Part #97188721
(Qty 2) Lines for Cylinders 4 & 5 – Replaces GM Part #97188722
Vehicle Fitment:
Engine: 6.6L LB7 Duramax
Years: 2001–2004
Fuel Type: Diesel
Condition: New
Protect your investment and restore your fuel system’s reliability with this high-quality, corrosion-resistant LB7 Injection Line Set from Fleece Performance—built to outlast and outperform OEM lines