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Oldsmobile 12582320 Main Seal

1991-1999 Oldsmobile

Customer Questions & Expert Answers (3)
12582320 GM Main Seal Product Photo 1 of 3
  • Part Description
    Seal, Engine Rear Main Bearing
  • Position
    Rear
  • Replaces
    25534760
  • Manufacturer
    General Motors
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Oldsmobile
    Manufacturer Part Number12582320
    Part DescriptionMain Seal; Seal, Engine Rear Main Bearing
    Item Dimensions4.4 x 4.5 x 0.3 inches
    Item Weight0.50 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces25534760
    ManufacturerGeneral Motors
    SKU12582320
    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
    1992-1999 Oldsmobile 886 Cyl 3.8L4 DOOR, 50TH ANNIVERSARY 4 DOOR, LSS 4 DOOR, ROYALE 4 DOOR, ROYALE LS, ROYALE LS 4 DOOR, ROYALE LSS 4 DOOR
    1991-1996 Oldsmobile 986 Cyl 3.8LREGENCY 4 DOOR, REGENCY ELITE, TOURING SEDAN
    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
    1991 Oldsmobile Delta 886 Cyl 3.8LROYALE 2 DOOR, ROYALE 4 DOOR, ROYALE BROUGHAM 2 DOOR, ROYALE BROUGHAM 4 DOOR
    1998-1999 Oldsmobile Intrigue6 Cyl 3.8L4 DOOR, GL 4 DOOR, GLS 4 DOOR, GX 4 DOOR
    1992-1995 Oldsmobile Silhouette6 Cyl 3.8LMPV
    1991-1992 Oldsmobile Toronado6 Cyl 3.8LTORONADO, TROFEO
  • 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 12582320 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How should the seal housing be positioned for the next steps regarding the Crankshaft Seal for the 1999 Pontiac Grand Prix? Posted by Mumin T.
    A:
    Position the seal housing on wood blocks on a workbench. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Sep 19, 2022
    Q:
    What is recommended for installing the new Crankshaft Seal for the 1998 Pontiac Grand Prix? Posted by Zakery D.
    A:
    A special tool is recommended for installing the new oil seal. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Jun 16, 2025

Genuine GM Part 12582320, the Right Choice

To ensure reliability, purchase GM part # 12582320 Main Seal. It is sometimes referred to as Oldsmobile Crankshaft Seal. 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 98, Achieva, Cutlass models.

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