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Buick 12674056 Piston

2017-2020 Buick

Customer Questions & Expert Answers (2)
12674056 GM Piston Product Photo 1 of 1
  • Part Description
    Piston Kit, Engine
  • Manufacturer
    General Motors
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number12674056
    Part DescriptionPiston; Piston Kit, Engine
    Item Dimensions5.9 x 5.5 x 5.2 inches
    Item Weight1.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12674056
    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
    2017-2019 Buick LaCrosse6 Cyl 3.6L4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK, 4 DOOR CXS EXT NOTCHBACK
    2018-2020 Buick Regal6 Cyl 3.6L1SX 4 DOOR HATCHBACK
  • 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 12674056 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How should the engine be positioned when assessing connecting rod endplay and Piston alignment for the 2017 GMC Acadia? Posted by Steen D.
    A:
    The engine should be positioned so the crankshaft faces up when assessing connecting rod endplay. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Nov 20, 2025

Genuine GM Part 12674056, the Right Choice

To ensure reliability, purchase GM part # 12674056 Piston. It is sometimes referred to as Buick Piston. 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 LaCrosse, Regal models.

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