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Buick 3487729 Caliper Overhaul Kit

1990-1993 Buick Regal

Customer Questions & Expert Answers (3)
3487729 GM Caliper Overhaul Kit
  • Part Description
    Caliper Kit, Wheel Brake Cylinder/Caliper
  • 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 Number3487729
    Part DescriptionCaliper Overhaul Kit; Caliper Kit, Wheel Brake Cylinder/Caliper
    Item Dimensions6.2 x 5.1 x 0.6 inches
    Item Weight0.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU3487729
    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
    1990-1993 Buick Regal6 Cyl 3.1L, 6 Cyl 3.8L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED, LIMITED 2 DOOR, LIMITED 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    Is it correct part number for my vehicle?
    A:
    You can Select Your Vehicle to check if 3487729 fits your vehicle.
    Posted and answered by GM Parts Specialist Ed
    Q:
    What is the procedure for rear Brake Calipers for the 1990 Pontiac Grand Prix? Posted by Roscoe L.
    A:
    Remove various components, work the piston out using the actuator screw, and clean all parts thoroughly. Inspect for wear and replace as needed, lubricate internal parts, and carefully install new seals and components. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Oct 04, 2025
    Q:
    What is the correct way to assemble the piston and boot for the Brake Calipers on the 1990 Oldsmobile Cutlass? Posted by Katharina T.
    A:
    Lubricate the piston and assemble a new boot with the fold towards the open end, then insert the piston squarely into the caliper bore and apply force to seat it. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Jul 07, 2025

Genuine GM Part 3487729, the Right Choice

To ensure reliability, purchase GM part # 3487729 Caliper Overhaul Kit. It is sometimes referred to as Buick Brake Calipers. 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 models.

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