Fleece Performance FPE-FL-LB7-45 High Pressure Injection Line for LB7 Duramax

The Fleece Performance FPE-FL-LB7-45 is a high-pressure fuel injection line designed specifically for cylinders 4 and 5 on 2001-2004 GM Duramax LB7 engines. This direct replacement injection line addresses a common failure point in the LB7 platform, where original factory lines are prone to corrosion and breakage that can contaminate the fuel system during injector service.

Key Features:

• Precision-machined 4140 steel injector swivel nuts for superior durability
• Corrosion-resistant construction outlasts factory GM lines
• Direct replacement for GM part number 97188722
• Ideal for injector replacement, line failure repair, or preventative upgrade
• Designed specifically for cylinders 4 and 5

When performing injector service on your LB7 Duramax, replacing the high-pressure injection lines is essential to prevent fuel system contamination from deteriorated factory lines. The Fleece Performance line provides a reliable, long-lasting solution with upgraded materials that resist the corrosion issues plaguing stock components.