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GM 12654420 Piston

2012-2019 GM

Customer Questions & Expert Answers (3)
12654420 GM Piston Illustration 1 of 1
  • Part Description
    Piston, Engine Piston
  • Manufacturer
    General Motors
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12654420
    Part DescriptionPiston; Piston, Engine Piston
    Item Dimensions4.8 x 4.4 x 4.2 inches
    Item Weight1.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12654420
    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
    2012-2015 Buick Allure6 Cyl 3.6LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
    2018-2019 Buick Enclave6 Cyl 3.6LBASE EXTENDED 4 DOOR SUV, PREMIUM 1 EXTENDED 4 DOOR SUV, PREMIUM 2 EXTENDED 4 DOOR SUV
    2012-2016 Buick LaCrosse6 Cyl 3.6LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
    2013-2015 Cadillac ATS6 Cyl 3.6L2 DOOR LUXURY COUPE, 2 DOOR PERFORMANCE COUPE, 3 DOOR PREMIUM COUPE, 4 DOOR LUXURY SEDAN, 4 DOOR PERFORMANCE SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN
    2012-2016 Cadillac SRX6 Cyl 3.6LCROSSOVER 4 DOOR
    2013-2018 Cadillac XTS6 Cyl 3.6L4 DOOR NOTCHBACK, LUXURY 4 DOOR NOTCHBACK, PLATINUM 4 DOOR NOTCHBACK, PREMIUM 4 DOOR NOTCHBACK
    2012-2015 Chevrolet Camaro6 Cyl 3.6LLS 2 DOOR COUPE, LT 2 DOOR CONVERTIBLE, LT 2 DOOR COUPE
    2015-2016 Chevrolet Colorado6 Cyl 3.6LCREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB LS - 6'2" BOX, CREW CAB LT - 6'2" BOX, EXTENDED CAB - 6'2" BOX, LS CREW CAB - 5'2" BOX, LS EXTENDED CAB - 6'2" BOX, LT CREW CAB - 5'2" BOX, LT EXTENDED CAB - 6'2" BOX
    2013-2017 Chevrolet Equinox6 Cyl 3.6LLT SUV, LTZ SUV
    2012-2016 Chevrolet Impala6 Cyl 3.6LLS, LTZ
    View More
  • 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 12654420 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How should the Piston/connecting rod assemblies and new ring sets be prepared for installation for the 2014 GMC Terrain? Posted by Othello H.
    A:
    Lay them out for matching during installation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Aug 08, 2025
    Q:
    How should the Piston ring gaps be positioned for the 2015 Chevrolet Camaro? Posted by Lonny A.
    A:
    Position the piston ring gaps at 90-degree intervals. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / May 13, 2022

Genuine GM Part 12654420, the Right Choice

To ensure reliability, purchase GM part # 12654420 Piston. It is sometimes referred to as GM 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 Allure, Enclave, LaCrosse models. It fits Cadillac ATS, SRX, XTS. It also fits Chevrolet Camaro, Equinox, Impala. This also fits GMC Canyon, Terrain.

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