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GMC Sierra 3500 HD Thermostat

We have 4 Items In-stock. Select a year to continue.
$37.69 List Price $53.30 Save $15.61 Availability: In Stock
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STANT BYPASS STYLE THERMOSTAT -- 185%XB0 F, A High Quality, Direct Fit OE Replacement, Uses A Bypass System To Speed Engine Warm-Up, Allows The Coolant To Circulate Through The Engine By Way Of Bypass Canal Located Directly Below The Thermostat
  • SKU#: ST14728
  • Brand: Stant
  • Anticipated Ship Out Time: 1-2 business days
 
Fits the following GMC Sierra 3500 HD Years:
  • 2011-2012 | 8 Cyl 6.6L | Denali
  • 2010-2012 | 8 Cyl 6.6L | SLE, SLT, WT
$72.00 List Price $90.00 Save $18.00 Availability: In Stock
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MISHIMOTO – RACING THERMOSTATS

If you have a highly modified or race vehicle, you probably want a racing thermostat by Mishimoto. It will open up faster than your stock thermostat, letting the coolant flow before your engine’s too hot – and that might be the difference between first and second. Mishimoto, a well-respected leader in aftermarket cooling systems, designs and manufactures the some of the best cooling products money can buy – whether you’re talking daily drivers, muscle cars or sophisticated race vehicles.

  • Opens up at lower levels than other thermostats for more efficient cooling
  • Backed by an impressive lifetime warranty
  • Gets rid of excess heat created in highly modified/race vehicles
  • Protects critical components from overheating
  • Fit by year, make and model of vehicle
  • Includes new rubber gaskets to prevent leaks
  • More efficient than standard thermostats
  • SKU#: MISMMTSCHV01DL
  • Brand: Mishimoto
  • Fit Note: Low Activation Temp
  • Anticipated Ship Out Time: 1-2 business days
  • Flow Rate: Standard Flow
  • Notes: Gasket not included
  • Opening Temperature Rating: 174 Degrees; 180 Degrees
  • Warranty: Mishimoto Limited Lifetime Warranty
 
Fits the following GMC Sierra 3500 HD Years:
  • 2011-2013 | 8 Cyl 6.6L | Denali
  • 2007-2013 | 8 Cyl 6.6L | SLE, SLT, WT
$31.78 List Price $55.31 Save $23.53 Availability: In Stock
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STANT OFFSET STYLE THERMOSTAT -- 180%XB0 F, A High Quality, Direct Fit OE Replacement, Equipped With A Jiggle Pin Valve In The Flange, Prevents Air Lock From Occurring In The Cooling System By Allowing Trapped Air To Escape While Also Reducing Coolant Leakage Through The Flange, Helps The Engine To Reach Its Designed Operating Temperature More Quickly And Precisely
  • SKU#: ST14738
  • Brand: Stant
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: 1-2 business days
 
Fits the following GMC Sierra 3500 HD Years:
  • 2007-2009 | 8 Cyl 6.6L | SLE, SLT, WT
$11.53 List Price $13.61 Save $2.08 Availability: In Stock
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FELPRO THERMOSTAT HOUSING GASKET -- A high quality, direct fit OE replacement thermostat housing gasket; With 1-year Felpro limited warranty.
  • SKU#: FP35762
  • Brand: Felpro
  • Fit Note: Truck
 
Fits the following GMC Sierra 3500 HD Years:
  • 2007-2009 | 8 Cyl 6.6L | SLE, SLT, WT