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Oldsmobile 12481320 Piston Asm,(W/ Pinion) (0.5Mm Oversize)

1999 Oldsmobile Cutlass

Customer Questions & Expert Answers (3)
12481320 GM Piston Asm,(W/ Pinion) (0.5Mm Oversize) Illustration 1 of 1
  • Part Description
    PISTON, 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 Oldsmobile
    Manufacturer Part Number12481320
    Part DescriptionPISTON, Engine Piston
    Item Dimensions7.0 x 4.5 x 4.5 inches
    Item Weight1.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity6
    ManufacturerGeneral Motors
    SKU12481320
    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
    1999 Oldsmobile Cutlass6 Cyl 3.1LSEDAN LEVEL I, SEDAN LEVEL II
  • 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 12481320 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be inspected in the Piston ring grooves for the 1999 Oldsmobile Cutlass? Posted by Percy J.
    A:
    The ring grooves should be inspected for nicks that could cause the rings to hang up. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Mar 05, 2025
    Q:
    What is the first step in the process of removing the Piston assemblies from the engine block for the 1999 Oldsmobile Cutlass? Posted by Emery U.
    A:
    The first step is to remove the oil pan, oil pump, and cylinder heads as previously described. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Jun 08, 2023

Genuine GM Part 12481320, the Right Choice

To ensure reliability, purchase GM part # 12481320 Piston Asm,(W/ Pinion) (0.5Mm Oversize). 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 Cutlass models.

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