Fleece FPE-TL-LBZ-LMM 5/8 Allison Transmission Cooler Lines | 2006-2010 Silverado/Sierra 2500HD/3500HD 6.6L

GM Duramax Fleece 5/8" Allison Transmission Cooler Lines Features:

• Optimized hydraulic cooler lines
• All necessary fittings and adapters included
• Bolts to factory locations
• Engineered to never leak or rupture
• Full, step by step instructions provided
• Backed by a 1-Year Limited Warranty

Exceptional Radiator and Transmission Cooling Over Stock

Faulty cooler lines can lead to a range of serious issues with your Allison transmission, from overheating to difficulty shifting gears to complete transmission failure. Whether you're already facing these issues or looking for a preventative solution, consider upgrading to the Fleece 5/8" Allison Transmission Cooler Lines for your 2006-2010 GM 6.6L Duramax-equipped truck. Fleece has expertly engineered these lines to not only outlast the original equipment but also to outperform them under various driving conditions. With this improved cooler line, you’ll enjoy smoother shifts and a more efficient transmission, providing peace of mind whether you’re on the road or tackling tough terrain.

Simple, Bolt-On Installation

Included in this package are all the necessary fittings and adapters, making the installation process incredibly easy. The lines are designed to bolt directly to your truck's existing factory locations, eliminating any need for permanent modifications. This means you can spend less time in the garage and more time enjoying the open road or rugged terrain. And to top it all off, Fleece backs this kit with their 1-Year Warranty, providing you with confidence and protection for your investment. 

Vehicle 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