Make sure this part fits

Buick 15069840 Rear Lower Control Arm

2004-2007 Buick Rainier

Customer Questions & Expert Answers (3)
15069840 GM Rear Lower Control Arm Illustration 1 of 1
  • Part Description
    Arm,Rear Axle Lower Control
  • 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 Number15069840
    Part DescriptionArm,Rear Axle Lower Control
    Other NamesLower Control Arm
    Item Dimensions23.7 x 2.7 x 2.4 inches
    Item Weight5.00 Pounds
    PositionRear Lower
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity2
    ManufacturerGeneral Motors
    SKU15069840
    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
    2004-2007 Buick Rainier6 Cyl 4.2L4 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 15069840 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done after installing the lower Control Arm of the 2004 Buick Rainier? Posted by Janelle W.
    A:
    Install the wheel, lower the vehicle, and tighten the lug nuts. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Jun 25, 2025
    Q:
    How do you remove the track bar and Trailing Arm of the 2006 Buick Rainier? Posted by Micaela G.
    A:
    To remove the track bar, raise the rear of the vehicle with jackstands and remove the nuts/bolts from each end of the bar. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Jun 18, 2022

Genuine GM Part 15069840, the Right Choice

To ensure reliability, purchase GM part # 15069840 Rear Lower 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 Rainier models.

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