Fleece High Pressure Injection Line Kit (1 Year Limited Parts Warranty) for 2006-2010 Duramax LLY / LBZ

$597.45Purchase & earn 597 points!

The Fleece High Pressure Injection Line Kit is a high-quality aftermarket upgrade for 2006–2010 GM Duramax LLY and LBZ diesel engines. It replaces factory fuel lines with durable, corrosion-resistant components to ensure consistent fuel delivery and maintain optimal injection pressure. Designed for high-performance or heavily used trucks, the kit enhances fuel system reliability and comes with a 1-year limited parts warranty.

 

Replaces GM Part # 98006523 (qty 2)

Replaces GM Part # 98006527 (qty 2)

Replaces GM Part # 98006524 (qty 2)

Replaces GM Part # 98006526 (qty 2)

7 People watching this product now!
SKU: FPE-FL-DMAX-LBZLMM-SET Categories: , , ,
Description

The Fleece High Pressure Injection Line Kit is a premium aftermarket upgrade designed specifically for 2006-2010 GM Duramax LLY and LBZ diesel engines. Engineered for durability and performance, this kit replaces the factory high-pressure fuel lines with robust, corrosion-resistant components that ensure consistent fuel delivery under demanding conditions. Ideal for high-performance or heavily used diesel trucks, the kit helps maintain optimal injection pressure and fuel system integrity. Backed by a 1-year limited parts warranty, it provides truck owners with peace of mind and reliability, making it a smart investment for maintaining or enhancing the performance of their Duramax-powered vehicle.

Additional information
Weight 6.0 lbs
Dimensions 12.0 × 6.0 × 3.0 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

Reviews (0)

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

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.
Shipping & Delivery