Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LBZLMM-18) for 2006-2010 Duramax LBZ / LMM

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The Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LBZLMM-18) is a durable, precision-engineered replacement part for 2006–2010 GM Duramax LBZ and LMM diesel engines. It replaces factory fuel lines prone to wear and damage, ensuring reliable fuel delivery and consistent engine performance. Designed for easy installation, it suits both stock and modified trucks, making it ideal for professionals and experienced DIYers alike.

 

Replaces GM Part # 98006527

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Description

The Fleece #1 and #8 High Pressure Injection Line (FPE-FL-LBZLMM-18) is a high-quality replacement component designed specifically for 2006–2010 GM Duramax LBZ and LMM diesel engines. This injection line is engineered to replace the factory #1 and #8 high-pressure fuel lines, which are known to wear over time or become damaged due to vibration and high fuel pressures. Manufactured with precision and durability in mind, this Fleece Performance product ensures optimal fuel delivery from the high-pressure pump to the injectors, maintaining peak engine performance and reliability. It is a direct-fit solution, making installation straightforward for both professional mechanics and experienced DIY enthusiasts. Ideal for stock or modified trucks, this injection line helps maintain consistent fuel pressure and supports efficient engine operation under demanding conditions.

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

Fitment

  • 2006 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax
  • 2007 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax (classic body style)
  • 2007.5 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax (new body style)
  • 2008 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
  • 2009 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
  • 2010 GM Silverado/Sierra 2500/3500 6.6L LMM 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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