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Oldsmobile 12354289 Cover Kit,Engine Front

1991 Oldsmobile

Customer Questions & Expert Answers (3)
12354289 GM Cover Kit,Engine Front
  • Part Description
    COVER, Engine Front Cover
  • Position
    Front
  • 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 Number12354289
    Part DescriptionCOVER, Engine Front Cover
    Other NamesTiming Cover
    Item Dimensions14.2 x 13.7 x 5.8 inches
    Item Weight0.70 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12354289
    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 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 Oldsmobile Cutlass6 Cyl 3.3L2 DOOR, 4 DOOR, SL 2 DOOR, SL 4 DOOR, SL STATION WAGON, STATION 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 12354289 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the final step in the installation process for the Timing Cover on the 1991 Oldsmobile Cutlass? Posted by Rocio R.
    A:
    Install the harmonic balancer, bolt, and washer, using a screwdriver or similar tool to lock the flex plate or flywheel starter teeth, then torque-tighten the harmonic balancer bolt to specifications. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Fernando / Feb 28, 2026
    Q:
    What components, including the Timing Cover, need to be removed after draining the cooling system for the 1991 Oldsmobile Cutlass? Posted by Fiorentino H.
    A:
    Next, remove the top radiator support, fan shroud, and radiator, followed by all belts, the fan and fan pulley, crankshaft drive pulley, and torsional damper. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Sep 09, 2025

Genuine GM Part 12354289, the Right Choice

To ensure reliability, purchase GM part # 12354289 Cover Kit,Engine Front. It is sometimes referred to as Oldsmobile Timing Cover. 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 Calais, Cutlass models.

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