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GM 12600171
Thermostat Unit

2003-2009 GM

Customer Questions & Expert Answers (17)
GM 12600171 Thermostat Unit
GM 12600171 Thermostat Unit
GM 12600171 Thermostat Unit
GM 12600171 Thermostat Unit
GM 12600171 Thermostat Unit
GM 12600171 Thermostat Unit
  • Part Description
    Thermostat, Engine Coolant Temperature
  • Replaces
    12581595
  • Manufacturer
    General Motors
Make sure this part fits
$24.02 MSRP: $45.12
You Save: $21.10 (47%)
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  • 12600171 Thermostat Unit is Ref No. 17 in the diagram below

    2004 Chevy Avalanche 2500 Thermostat Unit Diagram for 12600171
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12600171

  • Vehicle Fitment

    Year Make Model Trim Engine
    2008-2009 Buick LaCrosseSuper8 Cyl 5.3 L GAS
    2004-2006 Buick RainierCXL, CXL Plus8 Cyl 5.3 L GAS
    2004-2007 Cadillac CTSV8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
    2004-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2004-2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2004-2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2004-2006 Chevrolet Avalanche 1500Base, LS, LT, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2004-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2005-2008 Chevrolet Corvette427 Limited Edition Z06, Base, Z068 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS, 8 Cyl 7.0 L GAS
    2004-2006 Chevrolet Express 1500Base, LS, LT8 Cyl 5.3 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12600171 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12600171 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What needs to be disconnected from the thermostat for the 2008 Buick LaCrosse? Posted by Customer
    A:
    Disconnect the surge tank hose from the thermostat.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the final step after reinstalling the generator for the 2006 Buick Rainier? Posted by Customer
    A:
    Fill the cooling system with the specified coolant and concentration, and finally, inspect all sealing surfaces for leaks after starting the engine.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    How should the new thermostat be installed for the 2007 Cadillac CTS? Posted by Customer
    A:
    Place the new thermostat with a new thermostat seal and tighten the thermostat bolts to 10 N.m (89 lb in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    How do you start the installation process for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Start by installing the thermostat followed by the water outlet.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the next step after removing the outlet hose for the 2005 Chevrolet Corvette? Posted by Customer
    A:
    Remove the water pump inlet bolts and take out the water pump inlet, noting that the O-ring seal is integral to the thermostat housing.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the next step after reconnecting the radiator hose for the 2005 Chevrolet Express 2500? Posted by Customer
    A:
    Reinstall the coolant recovery reservoir and put back the air cleaner and duct.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the order of installation for the components for the 2006 Chevrolet Impala? Posted by Customer
    A:
    First install the thermostat (305), followed by the O-ring seal (304) and water outlet housing (303).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the first step in the replacement process for the 2003 Chevrolet SSR? Posted by Customer
    A:
    Begin by removing the radiator outlet hose.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the first step to replace the thermostat on a 4.3L engine for the 2005 Chevrolet Silverado 1500? Posted by Customer
    A:
    First, drain the cooling system.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done with the thermostat for the 2006 Chevrolet Monte Carlo? Posted by Customer
    A:
    Remove the thermostat (305) and clean and inspect the mating surfaces of the water outlet housing O-ring seal.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the final step after securing the thermostat housing for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    Reinstall the radiator outlet hose.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done after removing the radiator outlet hose for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Take out the water pump inlet bolts.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    How do you install the thermostat housing for the 2008 GMC Envoy? Posted by Customer
    A:
    Attach the thermostat housing to the engine block and install the thermostat housing bolts, tightening them to 10 N.m (89 lb in).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done after removing the radiator outlet hose for the 2008 Chevrolet Trailblazer? Posted by Customer
    A:
    Next, take out the water pump inlet bolts and then remove the water pump inlet and thermostat from the water pump.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the procedure for installing the new thermostat for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Place a NEW O-ring seal onto the thermostat and install it, followed by the water outlet.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    How do you start the installation process for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Start by installing the thermostat followed by the water outlet.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM Thermostat Unit 12600171 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12600171 Thermostat Unit is available in the market under the name GM Thermostat. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12600171 Thermostat Unit fits certain Chevrolet Tahoe, Impala, SSR models, as well as GMC Sierra 1500, Yukon, Sierra 2500 HD. Additionally, it is compatible with Cadillac Escalade, CTS, Escalade ESV and Buick LaCrosse, Rainier models.
The original GM component designated by Manufacturer Part Number 12600171 maintains top performance when functioning as the Thermostat, Engine Coolant Temperature unit. The component 12600171 is constructed from durable material and its dimensions span 3.1 x 3.1 x 3.0 inches while weighing 0.50 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. This component receives the designation of Thermostat. The part 12600171 has available replacement options 12581595. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
If you want to save money in the long run on maintenance and repairs, you should choose OEM products because they're of the top level of durability. Are you on the quest of finding GM parts? Our site is worth a visit. We stock an endless selection of high-quality GM components including things like ignition coils all the way through to fan shrouds and all at prices that can not be matched. You have nothing to worry about because all our OEM parts are covered with a manufacturer warranty, which guarantees superior quality and value.