Fleece Performance Duramax 6.6L LBZ/LMM High-Flow Transmission Cooler Lines — Fits 2006-2010 GM 2500/3500

SKU: FPEFPE-TL-LBZ-LMM
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Upgrade Your Duramax Cooling System

Eliminate the risk of factory transmission line failure with the Fleece Performance high-flow cooler line kit. Designed specifically for 2006-2010 GM Duramax 6.6L trucks equipped with the Allison transmission, these lines are engineered to handle increased pressure and heat better than stock components. Whether you are towing heavy loads or pushing your Duramax for performance, these lines provide the reliability you need.

Key Features and Benefits:

  • High-Flow Design: Optimized for maximum fluid circulation to keep transmission temperatures in check.
  • Heavy-Duty Construction: Built with high-quality materials to resist leaks, cracking, and premature wear.
  • Flexible Routing: Engineered for a perfect fit, making installation significantly easier than rigid factory lines.
  • Complete Kit: Includes all necessary hardware and fittings for a direct bolt-on installation, saving you time in the shop.

Factory lines are notorious for leaking at the crimp points; this kit replaces those failure-prone sections with robust, high-performance alternatives. Ensure your Allison transmission stays cool and protected under all driving conditions. Trust the experts at GGCRACING to provide the premium components your truck deserves.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2004-2006 Chevrolet Silverado 2500 HD LS
2004-2010 Chevrolet Silverado 2500 HD LT
2004-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004 Chevrolet Silverado 3500 WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2004-2005 GMC Sierra 2500 HD Base
2004-2010 GMC Sierra 2500 HD SLE
2004-2010 GMC Sierra 2500 HD SLT
2004-2010 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT
2004-2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Upgrade Your Duramax Cooling System

Eliminate the risk of factory transmission line failure with the Fleece Performance high-flow cooler line kit. Designed specifically for 2006-2010 GM Duramax 6.6L trucks equipped with the Allison transmission, these lines are engineered to handle increased pressure and heat better than stock components. Whether you are towing heavy loads or pushing your Duramax for performance, these lines provide the reliability you need.

Key Features and Benefits:

  • High-Flow Design: Optimized for maximum fluid circulation to keep transmission temperatures in check.
  • Heavy-Duty Construction: Built with high-quality materials to resist leaks, cracking, and premature wear.
  • Flexible Routing: Engineered for a perfect fit, making installation significantly easier than rigid factory lines.
  • Complete Kit: Includes all necessary hardware and fittings for a direct bolt-on installation, saving you time in the shop.

Factory lines are notorious for leaking at the crimp points; this kit replaces those failure-prone sections with robust, high-performance alternatives. Ensure your Allison transmission stays cool and protected under all driving conditions. Trust the experts at GGCRACING to provide the premium components your truck deserves.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2004-2006 Chevrolet Silverado 2500 HD LS
2004-2010 Chevrolet Silverado 2500 HD LT
2004-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004 Chevrolet Silverado 3500 WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2004-2005 GMC Sierra 2500 HD Base
2004-2010 GMC Sierra 2500 HD SLE
2004-2010 GMC Sierra 2500 HD SLT
2004-2010 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT
2004-2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

Product Details

Product Description

About Fleece Performance

Fleece Performance engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Fleece Performance lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Upgrade Your Duramax Cooling System

Eliminate the risk of factory transmission line failure with the Fleece Performance high-flow cooler line kit. Designed specifically for 2006-2010 GM Duramax 6.6L trucks equipped with the Allison transmission, these lines are engineered to handle increased pressure and heat better than stock components. Whether you are towing heavy loads or pushing your Duramax for performance, these lines provide the reliability you need.

Key Features and Benefits:

  • High-Flow Design: Optimized for maximum fluid circulation to keep transmission temperatures in check.
  • Heavy-Duty Construction: Built with high-quality materials to resist leaks, cracking, and premature wear.
  • Flexible Routing: Engineered for a perfect fit, making installation significantly easier than rigid factory lines.
  • Complete Kit: Includes all necessary hardware and fittings for a direct bolt-on installation, saving you time in the shop.

Factory lines are notorious for leaking at the crimp points; this kit replaces those failure-prone sections with robust, high-performance alternatives. Ensure your Allison transmission stays cool and protected under all driving conditions. Trust the experts at GGCRACING to provide the premium components your truck deserves.

Vehicle Fitment

Years Make Model Trim
2004-2005 Chevrolet Silverado 2500 HD Base
2004-2006 Chevrolet Silverado 2500 HD LS
2004-2010 Chevrolet Silverado 2500 HD LT
2004-2010 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2004 Chevrolet Silverado 3500 WT
2004-2005 Chevrolet Silverado 3500 Base
2004-2006 Chevrolet Silverado 3500 LS
2004-2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2007-2010 Chevrolet Silverado 3500 HD LT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2004-2005 GMC Sierra 2500 HD Base
2004-2010 GMC Sierra 2500 HD SLE
2004-2010 GMC Sierra 2500 HD SLT
2004-2010 GMC Sierra 2500 HD WT
2006 GMC Sierra 2500 HD SL
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2004-2005 GMC Sierra 3500 Base
2004-2006 GMC Sierra 3500 SLT
2004-2006 GMC Sierra 3500 WT
2004-2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SL
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

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