2001-2004.5 GM/CHEVROLET 6.6L DURAMAX LB7 DIESEL FUEL INJECTION LINE SET (8)
Replace worn or leaking fuel lines with this complete set of 8 fuel injection lines for your 2001–2004.5 GM/Chevrolet 6.6L Duramax LB7. These high-quality replacement lines are precision-bent to OEM specifications, ensuring proper fuel delivery and leak-free performance. Built with corrosion-resistant steel, they maintain the correct pressure and flow needed for consistent injector operation. Ideal for restoring performance and reliability in aging LB7 engines suffering from rusted or damaged original lines.
What’s Included in the Kit:
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(8) High-Pressure Fuel Injection Lines (Cylinder #1–8)
Features and Benefits:
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Direct-fit replacement for 2001–2004.5 Duramax LB7 diesel engines
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Constructed from heavy-duty, corrosion-resistant steel for long life
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Precision-formed ends and fittings ensure leak-free connections
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Maintains proper fuel pressure for optimal injector performance
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Replaces cracked, rusted, or leaking OEM lines
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Compatible with factory and aftermarket injectors
Truck Compatibility:
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2001 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2001 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
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2002 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2002 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
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2003 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2003 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
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2004 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2004 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
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2004.5 Chevrolet Silverado 2500HD / 3500 6.6L Duramax LB7
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2004.5 GMC Sierra 2500HD / 3500 6.6L Duramax LB7
These LB7 injection lines are the perfect solution for restoring proper fuel delivery and preventing leaks that can cause misfires, hard starts, or fuel contamination.
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✔️ Expedited shipping options available, call to check freight options
✔️ Orders are processed within 1 business day (Monday–Friday).
✔️ Orders placed on weekends or holidays will be processed on the next business day.
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✔️ Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.
California Proposition 65 Warning:
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information, go to www.P65Warnings.ca.gov
HIGH-QUALITY STAINLESS STEEL LINES
OEM NUMBER REFERENCE FOR FITMENT INFO ONLY
97188720 X2 CYLINDERS 1 & 8
97188723 X2 CYLINDERS 2 & 7
97188721 X2 CYLINDERS 3 & 6
97188722 X2 CYLINDERS 4 & 5
