Make sure this part fits

GM 3521226 Knuckle

1987-1990 GM

Customer Questions & Expert Answers (2)
3521226 GM Knuckle Illustration 1 of 1
  • Part Description
    Knuckle, Rear Wheel
  • Position
    Rear
  • Manufacturer
    General Motors
Make sure this part fits
$215.65
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number3521226
    Part DescriptionKnuckle; Knuckle, Rear Wheel
    Item Dimensions10.0 x 7.5 x 7.8 inches
    Item Weight7.10 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU3521226
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1988-1990 Buick Reatta6 Cyl 3.8L2 DOOR, REATTA, RIVIERA, T TYPE
    1987-1990 Buick Riviera6 Cyl 3.8L2 DOOR, REATTA, RIVIERA, T TYPE
    1987-1990 Cadillac Allante8 Cyl 4.1L, 8 Cyl 4.5LALLANTE, CONVERTIBLE, VALUE LEADER
    1987-1990 Cadillac Eldorado8 Cyl 4.1L, 8 Cyl 4.5LCOMMERCIAL CHASSIS, ELDORADO
    1987-1990 Cadillac Seville8 Cyl 4.1L, 8 Cyl 4.5LSEVILLE
    1987-1990 Oldsmobile Toronado6 Cyl 3.8LTORONADO
  • Customer Questions & Expert Answers

    Q:
    Is it correct part number for my vehicle?
    A:
    You can Select Your Vehicle to check if 3521226 fits your vehicle.
    Posted and answered by GM Parts Specialist Ed
    Q:
    What should be done if necessary to disconnect the anti-lock brake wheel speed sensor from the Steering Knuckle for the 1989 Cadillac ElDorado? Posted by Carina W.
    A:
    The anti-lock brake wheel speed sensor should be disconnected. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Mar 14, 2025

Genuine GM Part 3521226, the Right Choice

To ensure reliability, purchase GM part # 3521226 Knuckle. It is sometimes referred to as GM Steering Knuckle. 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 Reatta, Riviera models. It fits Cadillac Allante, Eldorado, Seville. It also fits Oldsmobile Toronado.

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