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Mishimoto Mishimoto 01-10 Chevy Duramax 2500 6.6L 174 & 180F Degrees Racing Thermostat
Mishimoto Mishimoto 01-10 Chevy Duramax 2500 6.6L 174 & 180F Degrees Racing Thermostat
Mishimoto Mishimoto 01-10 Chevy Duramax 2500 6.6L 174 & 180F Degrees Racing Thermostat
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Mishimoto 01-10 Chevy Duramax 2500 6.6L 174 & 180F Degrees Racing Thermostat

Mishimoto
MISMMTS-CHV-01DL
748354804492
Thermostats
20+ Units In Stock - Ships Next Business Day
$ 110.00 $ 99.95
$ 99.95

SKU: MMTS-CHV-01DL | UPC: 748354804492

Mishimoto 01-10 Chevy Duramax 2500 6.6L 174 & 180F Degrees Racing Thermostat

Replace your stock thermostat with the Mishimoto dual racing thermostat kit designed for 2001-2010 Chevrolet and GMC trucks and vans equipped with the 6.6L Duramax diesel engine. This direct-fit upgrade features valves that open at 174°F primary and 180°F secondary to achieve faster warm-up times and sustained lower coolant temperatures during high-load conditions. Ideal for towing hauling racing and off-road use in Silverado Sierra Express and Savana models.

Key Features

  • Dual Valve Design: Primary valve opens at 174°F (79°C) secondary at 180°F (82°C) to reduce operating temps by 10-20°F over stock while ensuring quick engine warmup.
  • Billet Aluminum Housing: CNC-machined construction with black anodized finish resists corrosion and withstands extreme racing conditions.
  • Direct OEM Replacement: Bolts on without modifications using stock mounting points for seamless integration into Duramax cooling systems.
  • Complete Kit: Includes thermostat OE-style gasket stainless steel hardware and Mishimoto logo cap for plug-and-play installation.
  • Performance Engineered: Tested on dyno and track to maintain consistent coolant flow and prevent overheating in 6.6L LB7 LLY LBZ LMM engines.

Product Notes

  • For off-road and competition use only not intended for emissions-controlled vehicles.
  • Monitor coolant levels and system pressure after install to verify performance.
  • Ships in protective packaging to prevent damage during transit.

Installation Notes

  • Professional installation recommended.
  • Drain coolant before removing stock thermostat housing.
  • Torque bolts to OEM specs using provided stainless hardware.

This Part Fits

Year Make Model Submodel
2001-2010 Chevrolet Express 2500 Base
2001-2010 Chevrolet Express 2500 LS
2001-2010 Chevrolet Express 2500 LT
2001-2010 Chevrolet Express 3500 Base
2001-2010 Chevrolet Express 3500 LS
2001-2010 Chevrolet Express 3500 LT
2009-2010 Chevrolet Express 4500 Base
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 Base
2001-2010 Chevrolet Silverado 3500 LS
2001-2010 Chevrolet Silverado 3500 LT
2001-2010 Chevrolet Silverado 3500 HD LT
2001-2010 Chevrolet Silverado 3500 HD LTZ
2001-2010 Chevrolet Silverado 3500 HD WT
2001-2010 GMC Savana 2500 Base
2001-2010 GMC Savana 2500 LS
2001-2010 GMC Savana 2500 LT
2001-2010 GMC Savana 3500 Base
2001-2010 GMC Savana 3500 LS
2001-2010 GMC Savana 3500 LT
2009-2010 GMC Savana 4500 Base
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 2500 HD WT
2001-2010 GMC Sierra 3500 Base
2001-2010 GMC Sierra 3500 SLE
2001-2010 GMC Sierra 3500 SLT
2001-2010 GMC Sierra 3500 HD SLE
2001-2010 GMC Sierra 3500 HD SLT
2001-2010 GMC Sierra 3500 HD WT

Why Choose Mishimoto?

  • Proven track record in motorsports with parts used in drag racing pulling and endurance events.
  • Made from high-grade materials with rigorous dyno and real-world testing.
  • Engineered and assembled with precision tolerances for reliable long-term operation.

Frequently Asked Questions

  • Q: Will this thermostat fit my 2005 Chevy Silverado 2500HD 6.6L Duramax LB7?
    A: Yes it is a direct replacement for all 2001-2010 Duramax 6.6L engines in Silverado 2500HD 3500HD Express and compatible GMC models.
  • Q: What material is the thermostat housing made from?
    A: CNC-machined billet aluminum with black anodized coating for durability and heat dissipation.
  • Q: What is the warranty on this thermostat kit?
    A: Mishimoto provides a lifetime warranty against defects in materials and workmanship.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed 8in x 6in x 4in
  • Weight: 1.1 lbs

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