SKU #: MAMKTC660405BK MPN #: MAMKTC660405BK

Silicone Intercooler Boot and Radiator Coolant Hose Kit For 04.5-05 Duramax 6.6 LLY

$299.99

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Silicone Intercooler Boot and Radiator Coolant Hose Kit For 04.5-05 Duramax 6.6 LLY

Description

Give your Duramax a reliable upgrade to its intercooler and cooling system with this heavy-duty silicone boot and radiator hose kit. Designed to work with the factory intercooler, this kit replaces aging OEM rubber components that can crack, collapse, and leak after years of heat cycles and engine vibration. The result is a stronger, more reliable connection throughout the charge-air and cooling systems while adding a clean, upgraded look under the hood. It's an ideal choice for refreshing a high-mileage LLY, preventing coolant leaks, or replacing factory components before they become a problem. Built from high-temperature-reinforced silicone, the included boots and radiator hoses are designed to withstand temperatures up to 350°F while maintaining a reliable seal under the heat and pressure of a hard-working Duramax. The kit includes four heavy-duty silicone boots, eight T-bolt clamps, an upper radiator hose with clamps, and a lower radiator hose with clamps for a complete installation. Designed to meet or exceed OE specifications while maintaining OEM-style fitment.

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Give your Duramax a reliable upgrade to its intercooler and cooling system with this heavy-duty silicone boot and radiator hose kit. Designed to work with the factory intercooler, this kit replaces aging OEM rubber components that can crack, collapse, and leak after years of heat cycles and engine vibration. The result is a stronger, more reliable connection throughout the charge-air and cooling systems while adding a clean, upgraded look under the hood. It's an ideal choice for refreshing a high-mileage LLY, preventing coolant leaks, or replacing factory components before they become a problem.

Built from high-temperature-reinforced silicone, the included boots and radiator hoses are designed to withstand temperatures up to 350°F while maintaining a reliable seal under the heat and pressure of a hard-working Duramax. The kit includes four heavy-duty silicone boots, eight T-bolt clamps, an upper radiator hose with clamps, and a lower radiator hose with clamps for a complete installation. Designed to meet or exceed OE specifications while maintaining OEM-style fitment.

Vehicle Fitment

2004.5-2005 Duramax 6.6 LLY

WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

KIT CONTENTS:

4 Heavy Duty Silicone Boots
8 T-Bolt Clamps
1 Upper Radiator Hose with clamps
1 Lower Radiator Hose with clamps

About Mammoth Performance Products

Mammoth Performance Parts specializes in high-quality silicone hoses, intercooler boots, and cooling system components engineered for demanding diesel truck applications. Their lineup includes vehicle-specific silicone intercooler boot kits, radiator hoses, and complete hose packages for popular Cummins, Duramax, and Powerstroke platforms, providing a durable upgrade over aging or worn factory components. Built from heat-resistant, reinforced silicone and designed for precise OEM-style fitment, Mammoth products are engineered to withstand high temperatures, pressure, and the harsh conditions commonly found under the hood of diesel trucks. With a focus on dependable construction, easy installation, and long-term performance, Mammoth Performance Parts delivers reliable solutions for replacing factory hoses, strengthening critical charge-air connections, and keeping diesel cooling and induction systems operating properly.