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Buick 20900532 Control Arm

2013-2017 Buick

Customer Questions & Expert Answers (3)
20900532 GM Control Arm Illustration 1 of 1
  • Part Description
    Arm, Rear Axle Control Arm
  • Position
    Rear Upper
  • Manufacturer
    General Motors
Make sure this part fits
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number20900532
    Part DescriptionControl Arm; Arm, Rear Axle Control Arm
    Item Dimensions5.9 x 2.5 x 18.1 inches
    Item Weight6.00 Pounds
    PositionRear Upper
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU20900532
    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
    2013-2015 Buick Allure4 Cyl 2.4L, 6 Cyl 3.6LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
    2013-2016 Buick LaCrosse4 Cyl 2.4L, 6 Cyl 3.6LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
    2013-2017 Buick Regal4 Cyl 2.0L, 4 Cyl 2.4LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 20900532 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    How do you remove the Trailing Arm for2013 Buick LaCrosses with RPO GNC rear suspension? Posted by Merle G.
    A:
    Detach the ABS wheel speed sensor harness from the arm, and remove the trailing arm-to-knuckle bolts. Remove the trailing arm bracket-to-body bolts and remove the arm. If the bushing needs replacement, seek professional assistance. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Oct 06, 2025
    Q:
    Can you replace the front bushing of the Control Arm on the 2014 Chevrolet Malibu? Posted by Millie S.
    A:
    No, the front bushing is not replaceable. If it is worn, the control arm must be replaced. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Jun 23, 2024

Genuine GM Part 20900532, the Right Choice

To ensure reliability, purchase GM part # 20900532 Control Arm. 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, Regal models.

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