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Mishimoto Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat
Mishimoto Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat
Mishimoto Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat
Mishimoto Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat
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Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat

Mishimoto
MISMMTS-CHV-01DH
748354804508
Thermostats
20 Units In Stock - Ships Next Business Day
$ 110.00 $ 99.95
$ 99.95

SKU: MMTS-CHV-01DH | UPC: 748354804508

Mishimoto 2001-2010 Chevy GMC Duramax 2500/3500 6.6L 185 & 191F Degrees Racing Thermostat

Engineered for 2001-2010 Chevrolet and GMC vehicles with 6.6L Duramax diesel engines this Mishimoto racing thermostat uses a dual-valve design opening at 185°F primary and 191°F secondary for quicker engine warm-up and reduced operating temperatures during demanding drives. It fits Silverado 2500HD 3500HD 3500 Express 2500 3500 4500 Savana 2500 3500 4500 and Sierra 2500HD 3500HD 3500 models delivering reliable cooling for towing racing and daily performance use. As a direct OEM replacement it installs without modifications boosting engine efficiency and longevity.

Key Features

  • Dual-Stage Valve Design: Primary valve opens at 185°F for rapid warm-up secondary at 191°F maintains lower sustained coolant temps ideal for high-output Duramax applications
  • CNC-Machined Brass Housing: Provides corrosion resistance strength and precise flow control tested to withstand racing pressures
  • Silicone O-Rings and Gaskets: Ensure leak-free seals compatible with modern coolants for long-term reliability
  • Billet Aluminum Cap: Black anodized finish resists corrosion includes pressure relief for safe operation
  • Direct Fit Replacement: Matches OEM dimensions bolts into factory location no special tools or adapters required

Product Notes

  • Flush cooling system prior to installation to remove contaminants
  • Use high-quality coolant compatible with diesel engines
  • Ships ready-to-install with all necessary hardware

Installation Notes

  • Professional installation recommended.
  • Drain coolant completely before removing stock thermostat
  • Torque housing bolts to 106 in-lb OEM specification

This Part Fits

Year Make Model Submodel
2001-2010 Chevrolet Silverado 2500 HD Base
2001-2010 Chevrolet Silverado 2500 HD LS
2001-2010 Chevrolet Silverado 2500 HD LT
2001-2010 Chevrolet Silverado 3500 HD Base
2001-2010 Chevrolet Silverado 3500 HD LS
2001-2010 Chevrolet Silverado 3500 HD LT
2006-2010 Chevrolet Express 2500 Base
2006-2010 Chevrolet Express 2500 LS
2006-2010 Chevrolet Express 2500 LT
2006-2010 Chevrolet Express 3500 Base
2006-2010 Chevrolet Express 3500 LS
2006-2010 Chevrolet Express 3500 LT
2001-2010 GMC Sierra 2500 HD Base
2001-2010 GMC Sierra 2500 HD SLE
2001-2010 GMC Sierra 2500 HD SLT
2001-2010 GMC Sierra 3500 HD Base
2001-2010 GMC Sierra 3500 HD SLE
2001-2010 GMC Sierra 3500 HD SLT
2006-2010 GMC Savana 2500 Base
2006-2010 GMC Savana 2500 LS
2006-2010 GMC Savana 2500 LT
2006-2010 GMC Savana 3500 Base
2006-2010 GMC Savana 3500 LS
2006-2010 GMC Savana 3500 LT

Why Choose Mishimoto?

  • Specializes in cooling solutions with millions of units sold worldwide
  • Constructed from premium materials for durability in extreme conditions
  • Backed by lifetime warranty against defects

Frequently Asked Questions

  • Q: Will this fit 2011 and newer Duramax 6.6L engines?
    A: No this model fits 2001-2010 LB7 LLY LBZ LMM Duramax use MMTS-CHV-11DH for 2011+ LML L5P
  • Q: What materials are used in construction?
    A: CNC-machined brass housing high-temp silicone seals and anodized billet aluminum cap for maximum strength and heat resistance
  • Q: Does installation require any modifications?
    A: No it is a direct bolt-in replacement using factory mounting points and hardware

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Secure foam-lined box dimensions 5.5 x 5.5 x 2.6 inches
  • Weight: 0.95 lbs

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