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Oldsmobile 14094015 Engine Piston

1991-1992 Oldsmobile Custom Cruiser

Customer Questions & Expert Answers (3)
14094015 GM Engine Piston 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 Number14094015
    Part DescriptionPISTON, Engine Piston
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity8
    ManufacturerGeneral Motors
    SKU14094015
    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
    1991-1992 Oldsmobile Custom Cruiser8 Cyl 5.0LSTATION WAGON
  • 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 14094015 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the first step in preparing the connecting rod and Piston for installation in the 1991 Pontiac Firebird? Posted by Tanekai E.
    A:
    Remove the connecting rod cap from the number one connecting rod, take out the old bearing inserts, and wipe the bearing surfaces with a clean, lint-free cloth. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Feb 22, 2025
    Q:
    How can carbon deposits be eliminated from the Piston ring grooves for the 1991 Pontiac Firebird? Posted by Chanel W.
    A:
    A piston ring groove cleaning tool can be used to eliminate carbon deposits from the ring grooves, or a piece broken off the old ring can be used, taking care not to remove any metal or damage the grooves. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Nov 28, 2022

Genuine GM Part 14094015, the Right Choice

To ensure reliability, purchase GM part # 14094015 Engine 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 Custom Cruiser models.

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