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GM 24501066 Piston Asm,W/Pinion

1991-1993 GM

Customer Questions & Expert Answers (3)
24501066 GM Piston Asm,W/Pinion 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 GM
    Manufacturer Part Number24501066
    Part DescriptionPISTON, Engine Piston
    Item Dimensions4.7 x 4.3 x 4.3 inches
    Item Weight1.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity6
    ManufacturerGeneral Motors
    SKU24501066
    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
    1991-1993 Buick Century6 Cyl 3.3LCUSTOM 2 DOOR, CUSTOM 4 DOOR, CUSTOM STATION WAGON, LIMITED 4 DOOR, SPECIAL 4 DOOR, SPECIAL STATION WAGON
    1991-1993 Buick Skylark6 Cyl 3.3L2 DOOR, 4 DOOR, CUSTOM 2 DOOR, CUSTOM 4 DOOR, GRAN SPORT 2 DOOR, GRAN SPORT 4 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR
    1992-1993 Oldsmobile Achieva6 Cyl 3.3LS 2 DOOR, S 4 DOOR, SL 2 DOOR, SL 4 DOOR
    1991 Oldsmobile Calais6 Cyl 3.3L2 DOOR, 4 DOOR, INTERNATIONAL 2 DOOR, INTERNATIONAL 4 DOOR, S 2 DOOR, S 4 DOOR, SL 2 DOOR, SL 4 DOOR
    1991-1993 Oldsmobile Cutlass6 Cyl 3.3L2 DOOR, 4 DOOR, S 2 DOOR, S 4 DOOR, S STATION WAGON, SL 2 DOOR, SL 4 DOOR, SL STATION WAGON, STATION WAGON
    1992-1993 Pontiac Grand Am6 Cyl 3.3LGT 2 DOOR, GT 4 DOOR, SE 2 DOOR, SE 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 24501066 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What should be done after removing the ridge from a cylinder and Piston for the 1993 Oldsmobile Cutlass? Posted by Ross Y.
    A:
    After removing the ridge, crank the engine until the piston is at the top of the cylinder, then remove the cloth and cuttings to avoid damaging the piston rings, pistons, or cylinder walls. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Mar 05, 2025
    Q:
    What should be examined on the Piston for the 1991 Oldsmobile Cutlass? Posted by Felicia Z.
    A:
    The piston should be examined for cracked ring lands, skirts, or pin bosses, as well as worn or wavy ring lands, scuffed or damaged skirts, and eroded areas at the top. Any damaged pistons or those showing excessive wear must be replaced. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / May 17, 2025

Genuine GM Part 24501066, the Right Choice

To ensure reliability, purchase GM part # 24501066 Piston Asm,W/Pinion. 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 Century, Skylark models. It fits Oldsmobile Achieva, Calais, Cutlass. It also fits Pontiac Grand Am.

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