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Mishimoto Silicone Coolant Hose Kit, Chevy/GMC (2001-05) 6.6L Duramax 2500 & 3500 (Blue)

Mishimoto's Duramax coolant hose kits are constructed from a combination of high-grade silicone and four layers of heat-resistant fibers to provide superior durability and increased pressure tolerance. Mishimoto is proud to release a silicone Duramax coolant hose kit specifically for the 2001-2005 6.6L Duramax. The Mishimoto silicone Duramax coolant hose kit is engineered to retain flawless factory fitment and provide years of reliable service. A cooling system is only as strong as its weakest link; old rubber hoses are prone to failure from years of abuse. Upgrade your Duramax with Mishimoto's Duramax coolant hoses for the ultimate in performance and style. The Duramax coolant hose kit, like all of Mishimoto Duramax performance parts, comes with the Mishimoto Lifetime Warranty.

-Direct fit for the 2001–2005 Chevrolet/GMC 6.6L Duramax
-Four layers of heat-resistant fibers and silicone
-Max temperature of 330°F
-Efficiently reduces heat
-Increases pressure tolerance
-OEM replacement fit
-T-bolt clamps included for easy install
-Mishimoto Lifetime Warranty

***See additional notes below for the details of the amazing Mishimoto lifetime warranty***
Was: $300.00
Sale: $270.00
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Save: $30.00
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Heat-Resistant Embedded Fibers



HOSE 1: 1.65", 2.05", 0.95", 0.55"
HOSE 2: 1.70"

HOSE 1: 2.05", 2.45", 1.35", 0.95"
HOSE 2: 2.10"

(2) - Silicone hoses
(3) - 2.25" Stainless Steel T-Bolt Clamps
(1) - 2.5" Stainless Steel T-Bolt Clamp

01-05 Chevy Trucks w/ 6.6L Duramax engine
01-05 GMC Trucks w/ 6.6L Duramax engine

Mishimoto Performance (MP), warrants all of its products under its 'no questions asked' limited lifetime warranty policy. Regardless of the defect in product, Mishimoto will replace the original product. Warranty claims must be accompanied by the original sales receipt from an authorized dealer.

A trained professional should install all MP products. Any issues with compatibility or installation should be addressed before attempting to install the product.

The purchaser's remedy for breach of this limited warranty, exclusive of all other remedies provided by law, is expressly limited to repair or replacement of any part or parts. All products returned for warranty consideration must be returned to MP with all transportation expenses prepaid.

MP shall not be responsible for damages to its products or injury to persons using the products in any manner that would constitute improper operation, including but not limited to: incorrect opening of radiator pressure caps, burst hoses, unintended application or usage not intended by MP, negligence, improper installation, or any other use that may cause damages or injury. MP shall not be responsible for injury or harm to persons or property when caused by persons or vehicles using its products.

Mishimoto, under its no questions asked warranty policy, will provide a warranty for all claims including vehicles involved in accidents. Warranty claims must include pictures of the accident and an official police report, and must be within three months of the accident.

All Mishimoto products are engineered to fit with OEM applications, as well as other Mishimoto products.

Mishimoto will not be held responsible for fitment issues caused by attempted installation of additional aftermarket parts. This includes, but is not limited to, performance parts and any other non-OEM replacement parts. Fitment with different brands cannot be guaranteed.

Furthermore, Mishimoto will not be held responsible for fitment issues caused by an accident. Many times, clearances needed for installation are very strict. If a vehicle has been involved in a front-end accident, available space for a product such as a thicker aluminum radiator may be compromised.

For all warranty claims, please contact Mishimoto.


Shipping Information

  • Item Requires Shipping
  • 10.0 lbs.
  • W12.0000” x H12.0000” x L24.0000”
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