Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LLY-27) 2004.5-2005 Duramax LLY

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The Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LLY-27) is a direct-fit replacement part for 2004.5–2005 Duramax LLY diesel engines. Made by Fleece Performance Engineering, it connects cylinders #2 and #7 to the fuel rail, ensuring accurate high-pressure fuel delivery. Built from durable materials to withstand extreme conditions, it meets or exceeds OEM standards, making it a reliable choice for restoring or enhancing engine performance and fuel system durability.

 

Replaces GM Part # 97378828

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SKU: FPE-FL-LLY-27 Categories: , , ,
Description

The Fleece #2 and #7 High Pressure Injection Line (FPE-FL-LLY-27) is a high-quality replacement component designed specifically for the 2004.5 to 2005 Duramax LLY diesel engines. This injection line connects cylinders #2 and #7 to the fuel rail, ensuring precise and reliable fuel delivery under high-pressure conditions. Manufactured by Fleece Performance Engineering, the line is constructed from durable materials to withstand the extreme pressures and temperatures associated with common rail diesel systems. It is a direct-fit replacement, engineered to meet or exceed OEM specifications, making it an ideal solution for restoring performance and reliability in aging or modified Duramax engines. This component is a popular choice among diesel enthusiasts seeking improved fuel system integrity and long-term durability.

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

Fitment

  • 2004.5 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
  • 2005 GM Silverado/Sierra 2500/3500 6.6L LLY 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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