Fleece #1 and #8 high pressure injection line (FPE-FL-LB7-18) for 2001-2004 Duramax LB7

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The Fleece Performance Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LB7-18) is a durable, precision-engineered replacement for the factory high-pressure fuel lines on 2001–2004 GM Duramax LB7 diesel engines. Designed to connect the fuel rail to injectors #1 and #8, it addresses issues like corrosion and leaks common in OEM lines. Ideal for injector replacements or fuel system maintenance, this component helps maintain reliable fuel delivery and engine performance.

 

  • Replaces GM Part# 97188720
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SKU: FPE-FL-LB7-18 Categories: , , ,
Description

The Fleece Performance Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LB7-18) is a high-quality replacement component designed specifically for 2001-2004 GM Duramax LB7 diesel engines. This line is engineered to replace the factory high-pressure fuel lines that connect the fuel rail to the injectors in cylinders #1 and #8. Over time, OEM lines can corrode or develop leaks due to extreme pressure and heat, potentially leading to performance issues or fuel system failure. The Fleece high pressure line is built with durable materials and precision bends to ensure a perfect fit and restore reliable fuel delivery. Ideal for LB7 owners performing injector replacements or fuel system maintenance, this component helps ensure optimal performance and longevity of the engine’s fuel injection system.

Additional information
Weight 4.0 lbs
Dimensions 10.0 × 4.0 × 2.0 in
Fitment

Fitment

  • 2001 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
  • 2002 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
  • 2003 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
  • 2004 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
Installation

Installation

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About brand
Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.
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