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GM 12632948
Thermostat

1996-2014 GM

Customer Questions & Expert Answers (19)
GM 12632948 Thermostat
GM 12632948 Thermostat
GM 12632948 Thermostat
GM 12632948 Thermostat
  • Part Description
    Thermostat, Engine Coolant Temperature
  • Replaces
    12257859, 12563335, 12557859, 12597583, 12551472
  • Manufacturer
    General Motors
Make sure this part fits
$29.83 MSRP: $56.02
You Save: $26.19 (47%)
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  • 12632948 Thermostat is Ref No. 14 in the diagram below

    2013 GMC Sierra 1500 Thermostat Diagram for 12632948
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 12632948

  • Vehicle Fitment

    Year Make Model Trim Engine
    1999-2000 Cadillac EscaladeBase8 Cyl 5.7 L GAS
    1996-2005 Chevrolet AstroBase, LS, LT6 Cyl 4.3 L GAS
    1996-2005 Chevrolet BlazerBase, LS, LT, Trailblazer, Xtreme, ZR26 Cyl 4.3 L GAS
    1996-1999 Chevrolet C1500Base, Cheyenne, LS, Silverado, WT6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
    1996-1999 Chevrolet C1500 SuburbanBase, LS, LT8 Cyl 5.7 L GAS
    1996-2000 Chevrolet C2500Base, Cheyenne, LS, Silverado, WT8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    1996-1999 Chevrolet C2500 SuburbanBase, LS, LT8 Cyl 5.7 L GAS
    1996-2000 Chevrolet C3500Base, Cheyenne, LS, Silverado8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    1996-2014 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
    1996-2006 Chevrolet Express 2500Base, LS6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    View More
    Warning: California's Proposition 65

  • Customer Questions & Expert Answers

    Q:
    Is this 12632948 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12632948 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the next step after removing the thermostat for the 2000 Cadillac Escalade? Posted by Customer
    A:
    Clean the thermostat housing and the cooling outlet sealing surfaces.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the final step after reinstalling the air cleaner assembly for the 2000 Chevrolet Astro? Posted by Customer
    A:
    Refill the coolant and start the engine to check for leaks once it reaches normal operating temperature.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the first step to replace the thermostat in a 4.3L engine for the 2005 Chevrolet Blazer? Posted by Customer
    A:
    Begin by partially draining the cooling system.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done after reassembling the components for the 2002 Chevrolet Express 2500? Posted by Customer
    A:
    Refill the cooling system, bleed the air from it, and inspect the thermostat housing and gasket for any coolant leaks.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What are the final steps after reassembling for the 2001 Chevrolet Express 3500? Posted by Customer
    A:
    Refill the cooling system, bleed the air from it, and inspect the thermostat housing and gasket for any coolant leaks.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done for the 5.7L engine for the 2000 Chevrolet K3500? Posted by Customer
    A:
    Remove the bolts or studs, coolant outlet, thermostat from the housing, and gasket if needed.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the torque specification for the water outlet studs for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Install the water outlet studs and tighten them to 25 Nm (18 ft. lbs.).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done after securing the water outlet housing for the 2003 Chevrolet S10? Posted by Customer
    A:
    Reinstall the throttle body bracket and its nuts, tightening them to 10 Nm (89 inch lbs.).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    How do you reattach the air cleaner outlet duct for the 2004 Chevrolet Silverado 1500? Posted by Customer
    A:
    Align the hinge clip with the throttle body lip and pivot the air cleaner outlet duct downward until the mounting stud is through the hole, then install the air cleaner adapter nut and the PCV hose.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done after installing the thermostat for the 2000 GMC C3500? Posted by Customer
    A:
    Refill the coolant to the cooling system, start the engine, and run it with the radiator cap removed until the radiator upper hose becomes hot, indicating that the thermostat is open.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done after removing the air cleaner and duct assembly for the 2001 GMC Savana 1500? Posted by Customer
    A:
    Partially drain the coolant and remove the coolant recovery reservoir.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the first step to service and repair the thermostat for the 2000 GMC Jimmy? Posted by Customer
    A:
    Remove the necessary coolant from the radiator.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the first step to replace the thermostat for the 2001 GMC Safari? Posted by Customer
    A:
    Ensure the engine is cool to avoid burns.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the first step in the installation process for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Start by installing the thermostat.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done with the O-ring seal for the 2007 GMC Sierra 1500? Posted by Customer
    A:
    Remove and discard the O-ring seal.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What is the next step after removing the coolant recovery reservoir for the 2001 GMC Savana 2500? Posted by Customer
    A:
    Disconnect the radiator hose from the thermostat housing.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done to the sealing surfaces for the 2004 GMC Sonoma? Posted by Customer
    A:
    Clean all sealing surfaces of the water outlet housing and the lower intake manifold.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Thermostat
    Q:
    What should be done after completing the installation for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Fill the cooling system and inspect for leaks.
    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 12632948 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 12632948 Thermostat 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 12632948 Thermostat fits certain Chevrolet S10, Tahoe, Silverado 1500 models, as well as GMC Sierra 1500, Yukon, Sonoma. Additionally, it is compatible with Cadillac Escalade and Oldsmobile Bravada models.
The original GM component designated by Manufacturer Part Number 12632948 maintains top performance when functioning as the Thermostat, Engine Coolant Temperature unit. The component 12632948 is constructed from durable material and its dimensions span 3.0 x 3.1 x 3.1 inches while weighing 1.30 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 12632948 has available replacement options 12257859, 12563335, 12557859, 12597583, 12551472. 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.