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Buick 12665855 Actuator

2007-2008 Buick

Customer Questions & Expert Answers (3)
12665855 GM Actuator Product Photo 1 of 1
  • Part Description
    Actuator, Engine Camshaft
  • Replaced By
    12684830
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number12665855
    Part DescriptionActuator; Actuator, Engine Camshaft
    Item Dimensions4.9 x 4.5 x 2.4 inches
    Item Weight2.20 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12665855
    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
    2007-2008 Buick Allure6 Cyl 3.6LCX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR
    2007-2008 Buick LaCrosse6 Cyl 3.6LCX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 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 12665855 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the procedure for installation of the Cam Gear after repairs for the 2012 Cadillac CTS? Posted by Lila P.
    A:
    During installation, align the crankshaft sprocket with the woodruff key, ensuring timing marks are visible and aligned. Then install the timing chains and guides, tightening bolts to the specified torque. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Apr 10, 2025
    Q:
    What should be checked after rotating the crankshaft by hand for the 2014 Chevrolet Camaro, specifically regarding the Cam Gear? Posted by Brandie P.
    A:
    Check for resistance after rotating the crankshaft by hand through at least two full revolutions. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jun 21, 2025

Genuine GM Part 12665855, the Right Choice

To ensure reliability, purchase GM part # 12665855 Actuator. It is sometimes referred to as Buick Cam Gear. 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 Allure, LaCrosse models.

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