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EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps in Saudi Arabia EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps in Saudi Arabia EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps in Saudi Arabia EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps in Saudi Arabia EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps in Saudi Arabia EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps in Saudi Arabia EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps in Saudi Arabia

EVIL ENERGY Upper Coolant Hose Kit for 2011-2016 LML Duramax 6.6L, Aluminum Upper Radiator Coolant Hose Replacement Upgrade for Silverado/Sierra 2500HD 3500HD, 5-Ply Silicone Couplers & T-Bolt Clamps

SAR 673
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Special Features

  • Vehicle-Specific Fitment: This upper coolant pipe kit is compatible with 2011-2016 Chevrolet Silverado 2500HD/3500HD and GMC Sierra 2500HD/3500HD models equipped with the 6.6L LML Duramax diesel engine. Reference OE part numbers: 22884211, 25874337, 23455292.
  • Upper Radiator Hose Replacement: Our aluminum upper coolant pipe replaces the factory upper radiator pipe while following the original routing path for direct-fit installation. No cutting or modification is needed.
  • Everything Needed to Connect: This kit includes a aluminum pipe, 5-ply silicone couplers, and T-bolt clamps to form a complete upper coolant connection system.
  • Cleaner Engine Bay Upgrade: This upper coolant pipe kit replaces the factory rubber hose with a clean aluminum pipe setup, delivering a more refined and performance-inspired engine bay look. Perfect for Duramax owners seeking a cleaner under-hood appearance.
  • Built for Real Use: This coolant hose upgrade is designed for demanding driving, engine bay builds, and long-term ownership where a secure upper radiator hose connection matters. It delivers a durable upper cooling solution for Duramax-equipped vehicles for everyday use.

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