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Buick 25770667 Core Assembly, Heater

2006-2011 Buick Lucerne

Customer Questions & Expert Answers (2)
GM 25770667 Core Assembly, Heater
  • Part Description
    CORE, Heater Core
  • 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 Buick
    Manufacturer Part Number25770667
    Part DescriptionCORE, Heater Core
    Other NamesHeater Core
    Item Dimensions21.2 x 14.6 x 9.2 inches
    Item Weight1.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25770667
    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 Lucerne6 Cyl 3.8L, 6 Cyl 3.9L, 6 Cyl 3.9L Flex, 8 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
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 25770667 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    How do you remove the heater core in Cadillac DeVille and DTS? Posted by Customer
    A:
    To remove the heater core in a 1999 Deville, start by disconnecting the cable from the negative terminal of the battery and draining the cooling system. The heater core is located in the passenger compartment, under the instrument panel. Disconnect the heater hoses at the firewall and remove the instrument panel to access the heater core cover. Disconnect the rod from the programmer to the blend-air door and disconnect the vacuum and electrical connectors from the programmer. Remove the heater core cover mounting screws and pull the cover away from the heater housing. Remove the two core mounting screws and carefully lower the heater/air conditioning assembly from under the dash. Installation is the reverse of removal. For a 1999 Seville or 2000-2005 model, the heater core is also located in the passenger compartment, behind the instrument panel. Disconnect the heater hoses at the firewall and remove the instrument panel. Remove the heater core cover mounting screws and pull the cover away from the HVAC assembly. Remove the heater core retaining straps and mounting screws, then remove the heater core from the HVAC assembly. Installation is the reverse of removal. For 2006 and later models, the heater core is contained in the HVAC assembly, which includes the heater core, evaporator core, and various mode doors and actuators. Have the air conditioning discharged by a qualified technician. Remove the right engine mount strut, windshield washer fluid heater, engine trim cover, and upper tie bar in the engine compartment. Disconnect the evaporator hose and heater hoses from the core. Remove the brake pedal assembly and reposition the carpet to allow room to move the HVAC assembly. Remove the instrument panel center support bracket and reposition the auxiliary air duct. Remove the instrument panel carrier and disconnect the HVAC assembly electrical connectors. Remove the heater core-to-NC pipe cover screws and remove the heater core. Installation is the reverse of removal.
    Posted by GMPartsGiant Specialist
    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 25770667, the Right Choice

To ensure reliability, purchase GM part # 25770667 Core Assembly, Heater. It is sometimes referred to as Buick Heater Core. 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 Lucerne models.

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