Fleece Performance GM Front TufShafts (FPE-TUFSHAFTS) for 2001-2010 Duramax LB7 / LLY / LBZ / LMM

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The Fleece Performance GM Front TufShafts (FPE-TUFSHAFTS) are heavy-duty, chromoly steel axle shaft upgrades for 2001–2010 GM Duramax trucks with LB7, LLY, LBZ, or LMM engines. Designed for high performance and durability under extreme conditions, they offer a direct-fit replacement for stock shafts without modifications. Ideal for towing, racing, and off-road use, these shafts enhance reliability and prevent common front axle failures.

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Description

The Fleece Performance GM Front TufShafts (FPE-TUFSHAFTS) are high-strength axle shaft upgrades designed specifically for 2001–2010 GM Duramax trucks equipped with LB7, LLY, LBZ, or LMM engines. Engineered to drastically improve durability and performance under extreme conditions, these TufShafts are constructed from chromoly steel to withstand the increased torque and stress associated with high-horsepower applications and off-road use. They are a direct replacement for the factory front axle shafts, offering a precise fit and easy installation without the need for additional modifications. Ideal for enthusiasts who demand reliability and performance, the Fleece Performance TufShafts help eliminate common front axle failures, making them a trusted upgrade for heavy-duty towing, racing, and off-road builds.

Additional information
Weight 18.0 lbs
Dimensions 24.0 × 10.0 × 10.0 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
  • 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
Warning

Warning

The TufShaft does not incorporate an axle disconnect, so the front driveshaft will spin when the vehicle is in motion, but with the front differential unlocked the truck will turn and drive like normal.

 

This product is sold without warranty, expressed or implied.

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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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