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GM 1647540 Housing, Thermostat

1993-2011 GM

GM 1647540 Housing, Thermostat
  • Part Description
    HOUSING, Engine Coolant Thermostat
  • Manufacturer
    General Motors
Customer Questions & Answers
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  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number1647540
    Part DescriptionHOUSING, Engine Coolant Thermostat
    Other NamesThermostat Housing, Water Outlet
    Item Dimensions4.2 x 4.3 x 2.2 inches
    Item Weight0.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU1647540
    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
    2006-2011 Buick Lucerne8 Cyl 4.6LCX 4 DOOR, CXL, CXL 4 DOOR, CXS, V6 CX/CXL 4 DOOR, V8 CXL/SUPER 4 DOOR, V8 SUPER SERIES 4 DOOR
    1993 Cadillac Allante8 Cyl 4.6LALLANTE
    2006-2011 Cadillac DTS8 Cyl 4.6L4 DOOR, FUNERAL COACH, LIMOUSINE
    1994-2005 Cadillac Deville8 Cyl 4.6L4 DOOR, DEVILLE, FUNERAL COACH, HIGH LUXURY, LIMOUSINE, SEVILLE, SLS, STS, TOURING 4 DOOR, TOURING SEDAN
    1993-2002 Cadillac Eldorado8 Cyl 4.6LCOMMERCIAL CHASSIS, ELDORADO
    1993-2004 Cadillac Seville8 Cyl 4.6L4 DOOR, DEVILLE, HIGH LUXURY, SEVILLE, SLS, STS, TOURING 4 DOOR
    2001-2003, 1995-1999 Oldsmobile Aurora8 Cyl 4.0L4 DOOR, AURORA
    2004-2005 Pontiac Bonneville8 Cyl 4.6LGXP 4 DOOR, SE 4 DOOR, SLE 4 DOOR

Customer Questions & 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 1647540 fits your vehicle.
Posted by GMPartsGiant Specialist
Q:
How to replace a thermostat in a cooling system? Posted by Customer
A:
Before assuming the thermostat is to blame for a cooling system problem, it is important to check the coolant level, drive belt tension, and temperature gauge operation. 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. On the other hand, if the engine runs hot and the upper radiator hose is not hot, it suggests a stuck closed thermostat, which also needs to be replaced. However, if the upper radiator hose is hot, it indicates that the coolant is flowing and the thermostat is open. To replace the thermostat, start by disconnecting the cable from the negative terminal of the battery and draining the cooling system. If the coolant is in good condition, it can be saved and reused. Then, remove the radiator support cover and the air filter housing. Loosen the hose clamp and detach the hose from the thermostat housing, or remove the thermostat housing cover with the radiator hose still attached if the clamp cannot be accessed. Finally, remove the thermostat cover mounting bolts and detach the housing cover, being prepared for some coolant to spill as the seal is broken.
Posted by GMPartsGiant Specialist
Q:
How do you replace the thermostat for the 2005 Cadillac Deville? Posted by Customer
A:
To replace the thermostat, start by disconnecting the cable from the negative terminal of the battery and draining the cooling system. Then, remove the radiator support cover and the air filter housing. Loosen the hose clamp and detach the hose from the thermostat housing, or remove the thermostat housing cover with the radiator hose still attached if the clamp cannot be accessed. Finally, remove the thermostat cover mounting bolts and detach the housing cover, being prepared for some coolant to spill as the seal is broken.
Posted by GMPartsGiant Specialist
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Genuine GM Part 1647540, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 1647540 Housing, Thermostat. It is sometimes referred to as GM Thermostat, GM Thermostat Housing. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Buick Lucerne models. It fits Cadillac Allante, DTS, Deville. It also fits Oldsmobile Aurora. This also fits Pontiac Bonneville.

Affordable, reliable and built to last, GM part # 1647540 Housing, Thermostat stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed Cadillac parts information, click here.

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