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Buick 10038439 Engine Coolant Thermostat Housing

1982-1985 Buick Skylark

Customer Questions & Expert Answers (3)
10038439 GM Engine Coolant Thermostat Housing
  • Part Description
    HOUSING, Engine Coolant Thermostat
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number10038439
    Part DescriptionHOUSING, Engine Coolant Thermostat
    Item Dimensions10.1 x 4.4 x 4.5 inches
    Item Weight1.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU10038439
    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
    1982-1985 Buick Skylark4 Cyl 2.5L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 10038439 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should you do before installing a new Thermostat for the 1984 Buick Skylark? Posted by Verified Customer
    A:
    Before installation, use a gasket scraper or putty knife to carefully remove all traces of the old gasket on the thermostat housing and the water outlet cover. Make sure not to allow any gasket particles to drop down into the water passage. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Aug 07, 2025
    Q:
    What should be done if excessive corrosion or damage is found on the Thermostat for the 1982 Pontiac Phoenix? Posted by Belal F.
    A:
    If excessive corrosion or damage is found on the thermostat, replace it with a new one. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Jan 16, 2025

Genuine GM Part 10038439, the Right Choice

To ensure reliability, purchase GM part # 10038439 Engine Coolant Thermostat Housing. It is sometimes referred to as Buick Thermostat, Buick Thermostat Housing. 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 Buick Skylark models.

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