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GM 12591866
Rear Main Seal, Green Line

1987-2022 GM

Customer Questions & Expert Answers (10)
GM 12591866 Rear Main Seal, Green Line
GM 12591866 Rear Main Seal, Green Line
  • Part Description
    Seal, Engine Rear Main Bearing; Engine Crankshaft Seal; Crankshaft Seal
  • Position
    Rear
  • Replaces
    90298408, 90325572, 90280462, 90354378
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Vehicle Fitment

    Year Make Model Trim Engine
    2016-2020 Buick EnvisionBase, Essence, Preferred, Premium, Premium II4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
    2018-2019, 2010-2016 Buick LaCrosseBase, Convenience, CX, CXL, Essence, Leather, Preferred, Premium4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
    2011-2017 Buick RegalBase, CXL, GS, Premium, Sport Touring4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
    2018-2020 Buick Regal SportbackAvenir, Base, Essence, Preferred, Preferred II4 Cyl 2.0 L GAS
    2018-2020 Buick Regal TourXBase, Essence, Preferred4 Cyl 2.0 L GAS
    1987-1988 Buick SkyhawkCustom, Limited, SE, Sport, T-Type4 Cyl 2.0 L GAS
    2012-2017 Buick VeranoBase, Convenience, Leather, Premium, Sport Touring, Turbo4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
    2013-2019 Cadillac ATSBase, Luxury, Performance, Premium4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
    2016-2018 Cadillac CT6Base, Luxury, Plug-In4 Cyl 2.0 L GAS, 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
    2014-2019, 2003-2004 Cadillac CTSBase, Luxury, Luxury Sport, Performance, Premium4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
    View More
    Warning: California's Proposition 65
  • Customer Questions & Expert Answers

    Q:
    Is this 12591866 designed for my car? Posted by ChevyPartsDeal Specialist
    A:
    Please Select Your Vehicle model to see if part number 12591866 is suitable before ordering.
    Posted by ChevyPartsDeal Specialist
    Q:
    What is the final step after installing the new crankshaft front oil seal for the 2010 Buick LaCrosse? Posted by Customer
    A:
    Reinstall the crankshaft balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    What components need to be reinstalled after the new seal is in place for the 2001 Cadillac Catera? Posted by Customer
    A:
    Install the collar and crankshaft gear, then install a new crankshaft gear bolt.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    What should you do after removing the crankshaft drive gear for the 2004 Cadillac CTS? Posted by Customer
    A:
    Carefully drill a small, shallow pilot hole into the steel ring of the crankshaft front oil seal.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    What tool is used for installing the crankshaft front oil seal for the 2010 Chevrolet Cobalt? Posted by Customer
    A:
    Utilize the Camshaft/Front Main Seal Installer (J 35268-A) to install the crankshaft front oil seal.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    What is the final step after installing the crankshaft front oil seal for the 2005 Chevrolet Cavalier? Posted by Customer
    A:
    Reinstall the crankshaft balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    What tool is used for installing the new crankshaft front oil seal for the 2010 Chevrolet Equinox? Posted by Customer
    A:
    Utilize the J 35268-A (Camshaft/Front Main Seal Installer) to properly install the new crankshaft front oil seal.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    What is the final step after installing the crankshaft front oil seal for the 2007 Chevrolet HHR? Posted by Customer
    A:
    Reinstall the crankshaft balancer.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    How should the new oil seal be inserted for the 2005 Chevrolet Malibu? Posted by Customer
    A:
    Insert it into the front cover with the lip facing the engine, utilizing the Cover Aligner and Seal Installer (J 35468).
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this Crankshaft Seal
    Q:
    How do you extract the seal from the front cover for the 2010 GMC Terrain? Posted by Customer
    A:
    Use a flat-bladed tool to extract the seal from the front cover.
    Posted by ChevyPartsDeal Specialist
    See vehicle specific detailed answers for this 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 Rear Main Seal, Green Line 12591866 Designed for Proper Fit and Performance

Original OEM GM parts deliver superior quality and meet all performance standards needed for optimal automotive operation. The authentic part identified by 12591866 Rear Main Seal, Green Line is available in the market under the name GM Crankshaft Seal. This genuine product has a full warranty coverage from the manufacturer available at all authorized GM dealers throughout the United States. This part 12591866 Rear Main Seal, Green Line fits certain Chevrolet Colorado, Malibu, Camaro models, as well as GMC Acadia, Canyon, Terrain. Additionally, it is compatible with Cadillac CTS, ATS, CT6 and Buick Regal, LaCrosse, Verano models.
The original GM component designated by Manufacturer Part Number 12591866 maintains top performance when functioning as the Seal, Engine Rear Main Bearing; Engine Crankshaft Seal; Crankshaft Seal unit at its Rear. The component 12591866 is constructed from durable material and its dimensions span 4.5 x 4.4 x 1.1 inches while weighing 0.30 Pounds. The Direct Replacement component is ready in New condition to ensure full compatibility with your vehicle system. The part 12591866 has available replacement options 90298408, 90325572, 90280462, 90354378. GM manufacturer provides a warranty that ensures reliable operation of this product. The Shipping Policy and Return Policy pages outline complete details regarding shipping procedures and return processes.
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