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Pontiac 12578021 Piston Assembly, (W/ Connect Rod)

1996-2005 Pontiac

Customer Questions & Expert Answers (1)
GM 12578021 Piston Assembly, (W/ Connect Rod)
  • Part Description
    PISTON, Engine Piston
  • Replaces
    24508302, 10217820, 24508727, 12564668, 12564669, 12578023
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number12578021
    Part DescriptionPISTON, Engine Piston
    Other NamesPiston
    Item Dimensions4.8 x 4.8 x 11.6 inches
    Item Weight4.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces24508302, 10217820, 24508727, 12564668, 12564669, 12578023
    Require Quantity6
    ManufacturerGeneral Motors
    SKU12578021
    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
    2001-2005 Pontiac Aztek6 Cyl 3.4LAZTEK, GT AWD
    1999-2005 Pontiac Grand Am6 Cyl 3.4LGT 2 DOOR, GT 2 DOOR COUPE, GT 4 DOOR, GT1 2 DOOR, GT1 2 DOOR COUPE, GT1 4 DOOR, SE 2 DOOR, SE 4 DOOR, SE 4 DOOR SEDAN, SE1 2 DOOR, SE1 4 DOOR
    1999-2005 Pontiac Montana6 Cyl 3.4L2/SLIDING DOORS, AWD EXT 2/SLIDING DOORS, EXT, EXT 2/SLIDING DOORS, MONTANA, SPECIAL 2/SLIDING DOORS
    1996-1998 Pontiac Trans Sport6 Cyl 3.4L2/SLIDING DOORS, EXT, EXT 2/SLIDING DOORS, TRANS SPORT
  • Customer Questions & Expert Answers

    Q:
    I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 12578021 fits your vehicle.
    Posted by GMPartsGiant Specialist
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 12578021, the Right Choice

To ensure reliability, purchase GM part # 12578021 Piston Assembly, (W/ Connect Rod). It is sometimes referred to as Pontiac 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 Pontiac Aztek, Grand Am, Montana models.

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