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GM 12556109
Oil Seal, Front

1999-2005 GM

Customer Questions & Expert Answers (14)
GM 12556109 Oil Seal, Front
  • Part Description
    Seal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal; Crankshaft Seal
  • Position
    Front
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12556109
    Part DescriptionSeal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal; Crankshaft Seal
    Other NamesFront Cover Seal; Seal, Engine Front Cover & Crankshaft Seal; Seal, Engine Front Cover
    Item Dimensions3.5 x 3.3 x 0.8 inches
    Item Weight0.40 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12556109
    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 Trim Engine
    2000-2005 Cadillac DeVilleBase, DHS, DTS, Protection Series8 Cyl 4.6 L GAS
    2000-2002 Cadillac EldoradoESC, ETC8 Cyl 4.6 L GAS
    2000-2004 Cadillac SevilleSLS, STS8 Cyl 4.6 L GAS
    2001-2002 Oldsmobile AuroraBase6 Cyl 3.5 L GAS, 8 Cyl 4.0 L GAS
    1999-2002 Oldsmobile IntrigueGL, GLS, GX6 Cyl 3.5 L GAS
  • Customer Questions & Expert Answers

    Q:
    Is this 12556109 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12556109 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How should the crankshaft rear oil seal drain be cleaned for the 2002 Cadillac Eldorado? Posted by Customer
    A:
    Use wire or an unbound plastic tie-wrap to clean any debris.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How should the center bolt of the Crankshaft Rear Oil Seal Installer (J 42842) be adjusted for the 2002 Cadillac DeVille? Posted by Customer
    A:
    Loosen it until the center hub protrudes approximately one-half inch beyond the outer plate.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How is the J 45930 installed for the 2005 Cadillac DeVille? Posted by Customer
    A:
    Install it to the rear of the crankshaft and thread the two mounting bolts into the crankshaft flange, tightening them until the installer is firmly mounted.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What should be done if the installation depth is not correct for the 2000 Cadillac Eldorado? Posted by Customer
    A:
    Reinstall the J 42842 and repeat the installation procedures.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What should be avoided when applying oil to the crankshaft for the 2001 Cadillac Eldorado? Posted by Customer
    A:
    Avoid oil on the area where the seal will be pressed onto the crankshaft.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How many screws need to be installed into the seal for the 2001 Cadillac DeVille? Posted by Customer
    A:
    Eight one-inch self-drilling screws.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What should be coated with clean engine oil before installing the new seal for the 2002 Cadillac Seville? Posted by Customer
    A:
    The outer diameter of the cylinder block crankshaft rear oil seal area.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What are the final steps after the crankshaft rear oil seal installation for the 2000 Cadillac Seville? Posted by Customer
    A:
    Reinstall the flywheel and the transaxle.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the final step in the process for the 2004 Cadillac DeVille? Posted by Customer
    A:
    Install the flywheel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the next step after loosening the center bolt of the Crankshaft Rear Oil Seal Installer (J44642) for the 2003 Cadillac Seville? Posted by Customer
    A:
    Place the J42841 onto the crankshaft and install the J44642 at the rear.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How do you use the Rear Oil Seal Remover for the 2004 Cadillac Seville? Posted by Customer
    A:
    Place it onto the crankshaft and secure it with the retaining bolts.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What should be checked before installing the new crankshaft rear oil seal for the 2000 Cadillac DeVille? Posted by Customer
    A:
    Ensure the drain is clear to prevent leaks.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the first step to replace the crankshaft rear oil seal for the 2001 Cadillac Seville? Posted by Customer
    A:
    First, remove the flywheel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12556109, Excellent Performance and Perfect Fitment

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