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Buick 12515628 Ring Kit, Piston(0.20 Oversize)(0.508 Mm Oversize)

1988-1992 Buick Century

Customer Questions & Expert Answers (3)
12515628 GM Ring Kit, Piston(0.20 Oversize)(0.508 Mm Oversize) Illustration 1 of 1
  • Part Description
    RING KIT, Engine Piston
  • 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 Number12515628
    Part DescriptionRING KIT, Engine Piston
    Item Dimensions5.3 x 5.2 x 0.5 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity4
    ManufacturerGeneral Motors
    SKU12515628
    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
    1988-1992 Buick Century4 Cyl 2.5LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 2 DOOR, LIMITED 4 DOOR, SPECIAL 4 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 12515628 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done after checking and correcting the Piston Ring end gaps for the 1985 Chevrolet Astro? Posted by Guy K.
    A:
    Once the ring end gaps have been checked and corrected, install the rings on the pistons, starting with the oil control ring, which consists of three components. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / May 11, 2022
    Q:
    What should be checked before installing new Piston Rings for the 1986 Pontiac Firebird? Posted by Mehow N.
    A:
    Before installing the new piston rings, check the ring end gaps and ensure the piston ring side clearance is correct. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Aug 03, 2025

Genuine GM Part 12515628, the Right Choice

To ensure reliability, purchase GM part # 12515628 Ring Kit, Piston(0.20 Oversize)(0.508 Mm Oversize). It is sometimes referred to as Buick Piston Ring. 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 Century models.

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