Make sure this part fits

Buick 25523503 Balancer Kit,Crankshaft

1984-1987 Buick

Customer Questions & Expert Answers (3)
25523503 GM Balancer Kit,Crankshaft Illustration 1 of 1
  • Part Description
    BALANCER
  • 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 Number25523503
    Part DescriptionBALANCER
    Other NamesVibration Damper
    Item Dimensions9.4 x 8.6 x 4.9 inches
    Item Weight4.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25523503
    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
    1984-1987 Buick Regal6 Cyl 3.8L2 DOOR, 4 DOOR, REGAL
    1984-1985 Buick Riviera6 Cyl 3.8LCONVERTIBLE COUPE, RIVIERA, T TYPE
  • 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 25523503 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    How do I handle the drivebelts for the 1989 Pontiac Firebird with V-belts and the Harmonic Balancer? Posted by Calvo A.
    A:
    For models with V-belts, loosen the accessory drivebelt adjusting bolts as necessary, then remove the drivebelts, tagging each one for easier reinstallation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Apr 19, 2023
    Q:
    How do you remove the hose from the retaining strap atop the radiator shroud for the 1989 Pontiac Firebird when working near the Harmonic Balancer? Posted by Ali O.
    A:
    Release the end of the strap from the underside of the shroud using pliers. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Sep 05, 2025

Genuine GM Part 25523503, the Right Choice

To ensure reliability, purchase GM part # 25523503 Balancer Kit,Crankshaft. It is sometimes referred to as Buick Harmonic Balancer. 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 Regal, Riviera models.

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