Make sure this part fits

Oldsmobile 12591087 Piston

2002-2004 Oldsmobile Alero

Customer Questions & Expert Answers (3)
12591087 GM Piston Illustration 1 of 1
  • Part Description
    Piston, Engine Piston
  • Replaces
    12572796, 12608528
  • Manufacturer
    General Motors
Make sure this part fits
$100.71 MSRP: $155.96
You Save: $55.25 (36%)
1
ADD TO CART
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Oldsmobile
    Manufacturer Part Number12591087
    Part DescriptionPiston; Piston, Engine Piston
    Item Dimensions7.1 x 4.4 x 4.3 inches
    Item Weight0.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12572796, 12608528
    ManufacturerGeneral Motors
    SKU12591087
    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
    2002-2004 Oldsmobile Alero4 Cyl 2.2LGLS 2 DOOR, GLS SEDAN 4 DOOR, LEVEL I 2 DOOR, LEVEL I 4 DOOR, LEVEL II COUPE 2 DOOR, LEVEL II SEDAN 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 12591087 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How should you prepare the bearing surfaces of the connecting rod and cap for the Piston in the 2005 Saturn ION? Posted by Kaitlyn W.
    A:
    You should clean the bearing surfaces of the connecting rod and cap. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Dec 02, 2025
    Q:
    How should you prepare the bearing surfaces of the connecting rod and cap for the Piston in the 2006 Chevrolet Cobalt? Posted by Shadi D.
    A:
    You should clean the bearing surfaces of the connecting rod and cap. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Feb 13, 2024

Genuine GM Part 12591087, the Right Choice

To ensure reliability, purchase GM part # 12591087 Piston. It is sometimes referred to as Oldsmobile 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 Oldsmobile Alero models.

GMPartsGiant.com is a leading supplier of genuine GM parts and accessories such as GM 12591087 Piston. You're certainly in the right place if you're searching for the great cost-effective OEM GM parts. Look no further than our vast inventory of genuine GM parts offered at unbeatable online prices, all of which are backed by the manufacturer's warranty. Not to forget, our hassle-free return policy and quick delivery service ensure a smooth shopping experience for you. For detailed Oldsmobile parts information, click here.
Find low prices on genuine OE parts from GM dealerships with fast delivery and dedicated service at GMPartsGiant.com.