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Fleece Replacement Transmission Long Line (FPE-TL-LB7-LMM-LONG-SER) for 2001-2010 Duramax LB7/ LLY / LBZ / LMM

$141.74

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The Fleece Replacement Transmission Long Line (FPE-TL-LB7-LMM-LONG-SER) is an upgraded transmission line kit for 2001–2010 GM Duramax diesel trucks with LB7, LLY, LBZ, or LMM engines. It replaces factory hard lines with durable braided stainless steel hoses to improve fluid flow, reduce leaks, and enhance reliability. Designed for both stock and performance applications, the kit includes all necessary fittings for easy installation and provides better transmission cooling and longevity.

Description

The Fleece Replacement Transmission Long Line (FPE-TL-LB7-LMM-LONG-SER) is a high-performance upgrade designed for 2001–2010 GM Duramax diesel trucks equipped with LB7, LLY, LBZ, or LMM engines. Engineered for durability and optimal fluid flow, this long transmission line kit replaces the factory hard lines with robust, high-quality braided stainless steel hoses that reduce the risk of leaks, cracks, and restrictions commonly found in OEM components. Ideal for both stock and high-performance applications, the Fleece long line kit ensures reliable transmission cooling and improved longevity, making it a popular choice among Duramax owners looking to enhance their drivetrain’s performance and reliability. This kit includes all necessary fittings and hardware for a straightforward installation, offering peace of mind and superior functionality in demanding conditions.

Additional information

Weight 4.0 lbs
Dimensions 14.0 × 14.0 × 3.0 in
Brand

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

This is a single replacement line only.  It does not include any fittings or additional components. 

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Warning

Proposition 65

This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

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