Make sure this part fits

Pontiac 10100062 Piston & Pinion Asm(0.5Mm Oversize)

1990-1994 Pontiac

Customer Questions & Expert Answers (3)
10100062 GM Piston & Pinion Asm(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 Pontiac
    Manufacturer Part Number10100062
    Part DescriptionPISTON, Engine Piston
    Item Dimensions4.8 x 4.3 x 4.4 inches
    Item Weight1.50 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Require Quantity6
    ManufacturerGeneral Motors
    SKU10100062
    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
    1990-1993 Pontiac Grand Prix6 Cyl 3.1L2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, LE 4 DOOR, SE 2 DOOR, SE 4 DOOR, STE 4 DOOR
    1992-1994 Pontiac Sunbird6 Cyl 3.1L2 DOOR, 4 DOOR, CONVERTIBLE, GT 2 DOOR, LE 2 DOOR, LE 4 DOOR, LE CONVERTIBLE, SE 2 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 10100062 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be ensured before beginning the installation of Piston/connecting rod assemblies for the 1993 Chevrolet Beretta? Posted by Verified Customer
    A:
    Before installation, ensure that the cylinder walls are meticulously clean, the top edges of each cylinder are chamfered, and the crankshaft is in place. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / May 24, 2026
    Q:
    Is it important to separate the Pistons from the connecting rods for the 1990 Pontiac Grand Prix? Posted by Knox W.
    A:
    No, it is important not to separate the pistons from the connecting rods. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Syed / Jun 30, 2022

Genuine GM Part 10100062, the Right Choice

To ensure reliability, purchase GM part # 10100062 Piston & Pinion Asm(0.5Mm Oversize). 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 Grand Prix, Sunbird models.

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