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Buick 13230634 Rear Lower Suspension Control Arm Assembly

2010-2012 Buick

Customer Questions & Expert Answers (3)
13230634 GM Rear Lower Suspension Control Arm Assembly Illustration 1 of 1
  • Part Description
    Arm Assembly, Rear Suspension Lower Control ; Arm, Rear Axle Control Arm
  • Position
    Rear Lower
  • 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 Number13230634
    Part DescriptionArm Assembly, Rear Suspension Lower Control ; Arm, Rear Axle Control Arm
    Other NamesLower Control Arm
    Item Dimensions20.4 x 17.5 x 3.5 inches
    Item Weight31.10 Pounds
    PositionRear Lower
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU13230634
    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
    2010-2012 Buick Allure4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6LCXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN
    2010-2012 Buick LaCrosse4 Cyl 2.4L, 6 Cyl 3.0L, 6 Cyl 3.6LCXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN, SPS 4 DOOR SEDAN
  • 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 13230634 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What are the installation instructions for the upper control arm and Trailing Arm of the 2012 Buick LaCrosse? Posted by April F.
    A:
    Follow the reverse procedure of removal. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Feb 09, 2026
    Q:
    How is the installation of the Control Arm done on these 2010 Buick LaCrosses? Posted by Haden S.
    A:
    Installation follows the reverse of the removal process with new fasteners and proper tightening. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / May 26, 2025

Genuine GM Part 13230634, the Right Choice

To ensure reliability, purchase GM part # 13230634 Rear Lower Suspension Control Arm Assembly. It is sometimes referred to as Buick Control Arm, Buick Trailing Arm. 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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