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GM 12580743
Timing Cover Oil Seal, Front

2001-2007 GM

Customer Questions & Expert Answers (17)
GM 12580743 Timing Cover Oil Seal, Front
GM 12580743 Timing Cover Oil Seal, Front
  • Part Description
    Seal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal
  • Position
    Front
  • Replaces
    12559279
  • Manufacturer
    General Motors
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12580743
    Part DescriptionSeal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal
    Other NamesCover Seal; Front Cover Seal; Seal, Engine Front Cover & Crankshaft Seal; Seal, Engine Crankshaft Front
    Item Dimensions3.0 x 3.0 x 0.4 inches
    Item Weight0.40 Pounds
    PositionFront
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12559279
    ManufacturerGeneral Motors
    SKU12580743
    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
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    2001-2002 Chevrolet Express 3500Base, LS8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 2500 HDBase, LS, LT, WT8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 2500 HD ClassicLS, LT, WT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Silverado 3500Base, LS, LT, WT8 Cyl 8.1 L GAS
    2007 Chevrolet Silverado 3500 ClassicLS, LT, WT8 Cyl 8.1 L GAS
    2001-2006 Chevrolet Suburban 2500Base, LS, LT8 Cyl 8.1 L GAS
    2001-2002 GMC Savana 3500Base, SLT8 Cyl 8.1 L GAS
    2001-2006 GMC Sierra 2500 HDBase, SL, SLE, SLT, WT8 Cyl 8.1 L GAS
    2007 GMC Sierra 2500 HD ClassicSL, SLE, SLT, WT8 Cyl 8.1 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is this 12580743 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12580743 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the front crankshaft seal on Chevrolet Avalanche 2500? Posted by Customer
    A:
    The first step to replace the crankshaft front oil seal requires the removal of the crankshaft balancer while protecting both the engine front cover and crankshaft sealing area from damage. The second step involves the removal of the crankshaft front cover oil seal. A fresh engine oil application must coat the new crankshaft front cover oil seal before its installation process. Installation of the crankshaft balancer needs to follow the use of the Front Cover Oil Seal Installer (J 42851) to put in the oil seal before removing the tool to reinstall the balancer.
    Posted by ChevyPartsGiant Specialist
    Q:
    How do you position the Crankshaft Rear Seal Puller for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Install the guide pins from the Crankshaft Rear Seal Puller (J 43320) into the crankshaft and position the puller over the guide pins.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the final step in the process for the 2001 Chevrolet Express 3500? Posted by Customer
    A:
    Install the transmission assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What should be done to ensure the seal is installed correctly for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Tighten the screws securely with a screwdriver and rotate the center nut until the installer bottoms out.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How should the new oil seal be prepared before installation for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Lubricate the outer edge of the new oil seal and the front cover oil seal bore with clean engine oil.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How is the oil seal fully seated in the rear cover bore for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Rotate the handle of the tool clockwise until the seal is fully seated.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How is the oil seal installed onto the crankshaft for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Insert the J 41478 threaded rod (with nut, washer, guide, and oil seal) into the end of the crankshaft and use the J 41478 to install the oil seal into the cover bore.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the final step after the oil seal is installed for the 2006 Chevrolet Silverado 3500? Posted by Customer
    A:
    Remove the J 41479 and reinstall the engine flywheel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the procedure for installing the tapered cone and bolts for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Install the tapered cone and bolts onto the rear of the crankshaft, tightening the bolts until snug without overtightening.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the first step to service and repair the front crankshaft seal for the 2001 GMC Savana 3500? Posted by Customer
    A:
    First, remove the crankshaft balancer.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What should be done after removing the crankshaft balancer for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Remove the crankshaft front cover oil seal.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the next step after removing the flywheel for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Loosen the oil pan.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What is the next step after positioning the puller for the 2006 GMC Sierra 3500? Posted by Customer
    A:
    Using a suitable drill, insert eight self-drilling sheet metal screws into the rear crankshaft seal in a crisscross pattern.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    What tool is used to install the new crankshaft front oil seal for the 2002 GMC Savana 3500? Posted by Customer
    A:
    The Cover Aligner Seal Installer (J 35468).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    How should the bolts be tightened during installation for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    Tighten the bolts until snug without overtightening.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Seal
    Q:
    Is it important to lubricate the oil seal sealing surface for the 2007 GMC Sierra 3500 Classic? Posted by Customer
    A:
    No, it is crucial not to lubricate the oil seal sealing surface.
    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 12580743, Excellent Performance and Perfect Fitment

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