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Pontiac 12591881 Thermostat Assembly, Engine Coolant

2006-2010 Pontiac

Customer Questions & Expert Answers (6)
GM 12591881 Thermostat Assembly, Engine Coolant
  • Part Description
    THERMOSTAT, Engine Coolant Temperature
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number12591881
    Part DescriptionTHERMOSTAT, Engine Coolant Temperature
    Other NamesThermostat
    Item Dimensions3.3 x 2.2 x 2.1 inches
    Item Weight0.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12591881
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California’s Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2006-2010 Pontiac G66 Cyl 3.5L, 6 Cyl 3.5L Flex, 6 Cyl 3.9LGT 2 DOOR CONVERTIBLE, GT 2 DOOR NOTCHBACK, GT 4 DOOR NOTCHBACK, GTP 2 DOOR CONVERTIBL, GTP 2 DOOR NOTCHBACK, GXP 2 DOOR NOTCHBACK, GXP 4 DOOR NOTCHBACK, SE 4 DOOR NOTCHBACK, SE1 2 DOOR NOTCHBACK, SE1 4 DOOR NOTCHBACK
    2006-2009 Pontiac Montana6 Cyl 3.9L, 6 Cyl 3.9L FlexCROSSOVER SPORT VAN, CROSSOVER SPORT VAN EXTENDED
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12591881 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How to replace a thermostat in a cooling system for Chevrolet Impala,Monte Carlo? Posted by Customer
    A:
    Before removing the thermostat for cooling issues, check the coolant level, drive belt tension, and temperature gauge. Next, drain the cooling system, remove the air filter housing duct, locate and open the thermostat housing, and remove the seal as well as the radiator hose.
    Posted by GMPartsGiant Specialist
    Q:
    How can you determine if the thermostat is stuck open for the 2006 Chevrolet Impala? Posted by Customer
    A:
    If the engine seems to be taking a long time to warm up, indicating a stuck open thermostat, it should be replaced with a new one.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Thermostat
    Q:
    How do you replace the thermostat in the 2005 Pontiac G6? Posted by Customer
    A:
    To replace the thermostat in four-cylinder models, you need to disconnect the battery cable, drain the cooling system, loosen the hose clamps and detach the hoses from the thermostat housing cover, remove the thermostat cover, remove the old thermostat, install a new rubber gasket and thermostat, and reattach the radiator hose and refill the cooling system.
    Posted by GMPartsGiant Specialist
    See expert answers on similar Thermostat
    Q:
    Does this thermostat come with the gasket and housing? Posted by Customer
    A:
    No, this is just the thermostat itself
    Posted by GMPartsGiant Specialist 22/4/2021
    Q:
    does this thermostat come with a gasket, or does it need to be ordered separate? Posted by Customer: 2010 Chevrolet Impala
    A:
    P # 12591881 WILL INCLUDE THE ORING SEAL AS WELL
    Posted by GMPartsGiant Specialist 1/4/2019
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12591881, the Right Choice

To ensure reliability, purchase GM part # 12591881 Thermostat Assembly, Engine Coolant. It is sometimes referred to as Pontiac Thermostat. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Pontiac G6, Montana models.

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