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Mishimoto Mishimoto 11+ Chevrolet Duramax 6.6L Red Silicone Coolant Hose Kit
Mishimoto Mishimoto 11+ Chevrolet Duramax 6.6L Red Silicone Coolant Hose Kit
Mishimoto Mishimoto 11+ Chevrolet Duramax 6.6L Red Silicone Coolant Hose Kit
Mishimoto Mishimoto 11+ Chevrolet Duramax 6.6L Red Silicone Coolant Hose Kit
Mishimoto Mishimoto 11+ Chevrolet Duramax 6.6L Red Silicone Coolant Hose Kit
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Mishimoto 11+ Chevrolet Duramax 6.6L Red Silicone Coolant Hose Kit

Mishimoto
MISMMHOSE-DMAX-11RD
748354013849
Hoses
14 Units In Stock - Ships Next Business Day
$ 429.00 $ 389.95
$ 389.95

SKU: MMHOSE-DMAX-11RD | UPC: 748354013849

Mishimoto 2011-2016 Chevrolet GMC Duramax 6.6L Red Silicone Coolant Hose Kit

Replace aging factory rubber coolant hoses with the Mishimoto red silicone coolant hose kit designed for 2011-2016 Duramax 6.6L LML engines in Chevrolet Silverado GMC Sierra HD trucks and Express vans. This 7-piece kit features 4-ply reinforced silicone construction that handles extreme engine bay temperatures and boost pressures for consistent coolant flow and long-term reliability. Ideal for daily drivers or high-performance Duramax builds needing dependable cooling without hose failure.

Key Features

  • 4-Ply Silicone Reinforcement: High-strength layers with embedded fibers resist expansion bursting and cracking under pressures up to 50 psi
  • Extreme Temperature Rating: Withstands -40°F to 350°F ensuring performance in cold starts or hot towing conditions
  • Direct OEM Fitment: Precision molded hoses match factory routing and dimensions for seamless replacement on LML Duramax
  • Vibrant Red Finish: DuraCore technology provides smooth interior bore vibrant exterior color and durability that outlasts stock hoses
  • Complete 7-Hose Kit: Includes all critical coolant lines from radiator to throttle body with constant tension springs for secure installation

Product Notes

  • Direct replacement uses existing OEM clamps or included springs no additional hardware needed
  • Compatible with all factory coolants including Dex-Cool maintain peak performance with regular coolant changes
  • Kit weighs 4.9 lbs ships in a compact protective box measuring 12.5 x 12.5 x 4 inches

Installation Notes

  • Professional installation recommended.
  • Bolt-on design requires no trimming or modifications typically installs in 1-2 hours
  • Drain coolant system before removal torque clamps to factory specs for leak-free seal

This Part Fits

Year Make Model Submodel
2011-2015 Chevrolet Express 2500 Base
2011-2015 Chevrolet Express 3500 Base
2011-2016 Chevrolet Silverado 2500 HD High Country LT LTZ SLT WT
2011-2016 Chevrolet Silverado 3500 HD High Country LT LTZ SLT WT
2011-2016 GMC Sierra 2500 HD Base Denali SLE SLT WT
2011-2016 GMC Sierra 3500 HD Base Denali SLE SLT WT

Why Choose Mishimoto?

  • Proven track record in diesel performance parts with millions of parts installed worldwide
  • In-house dyno testing ensures real-world durability on Duramax platforms
  • Lifetime warranty backs every hose against defects for worry-free ownership

Frequently Asked Questions

  • Q: Will this kit fit my 2011-2016 Duramax LML in a Silverado 2500HD?
    A: Yes it provides direct bolt-on fitment for all 2011-2016 Chevy Silverado GMC Sierra 2500HD 3500HD with 6.6L Duramax LML engine regardless of trim
  • Q: What material are the hoses made from and how durable are they?
    A: Constructed from 4-ply Type III silicone with DuraCore fiber reinforcement rated for 350°F continuous use and 50 psi burst pressure far exceeding OEM rubber
  • Q: What is the warranty and installation difficulty?
    A: Lifetime warranty covers manufacturing defects direct fit design allows DIY install in under 2 hours with basic tools professional help advised for coolant flush

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Branded Mishimoto box 12.5 x 12.5 x 4 inches
  • Weight: 4.9 lbs

Request For Information

Have questions about Mishimoto 11+ Chevrolet Duramax 6.6L Red Silicone Coolant Hose Kit? Fill out the form below and we'll get back to you by the next business day.
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