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Kia 2144138051 Case-Oil Seal

2000-2005 Kia Optima

Customer Questions & Expert Answers (3)
2144138051 Kia Case-Oil Seal Illustration 1 of 1
2144138051 Kia Case-Oil Seal Illustration 1 of 1
  • Part Description
    Case-Oil Seal,Rear
  • Part Code
    21441
  • Manufacturer
    Kia
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A

  • 2144138051 Case-Oil Seal is Part Code 21441 in the diagram below

    2002 Kia Optima Case-Oil Seal Diagram for 2144138051
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts

  • Product Specifications

    BrandGenuine Kia
    Part Code21441
    Manufacturer Part Number2144138051
    Part DescriptionCase-Oil Seal,Rear
    Other NamesRear Main Seal Retainer
    Item Weight0.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerKia
    SKU2144138051
    WarrantyThis genuine Kia part is guaranteed by Kia's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Trim & Engine Important vehicle option details
    2000-2005 Kia OptimaHigh Grade, Middle Grade|2.4L4 Door Sedan

  • Customer Questions & Expert Answers

    Q:
    Can you please confirm fitment and describe this part?
    A:
    You can Select Your Vehicle to check if 2144138051 fits your vehicle.
    Posted and answered by Kia Parts Specialist Jeff
    Q:
    What should be done after removing the Crankshaft Seal for the 2005 Kia Optima? Posted by Kirna E.
    A:
    Clean the seal bore in the block thoroughly with a shop towel, ensuring all traces of oil and dirt are removed. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Kia Parts Specialist Philip / Jan 12, 2026
    Q:
    What should be checked after installing the new Crankshaft Seal for the 2010 Kia Optima? Posted by Carmine D.
    A:
    Check that the spring remains in place after installation. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Kia Parts Specialist Nate / Oct 20, 2025

Genuine Kia Part 2144138051, the Right Choice

For assured reliability, buy Kia part # 2144138051 Case-Oil Seal. Also known as Crankshaft Seal. They are produced at the official Kia factory to ensure durability and precise fit. These components undergo rigorous quality control tests to remove any defects. This will fit 2000-2005 Optima.

KiaPartsNow.com is a major distributor of genuine Kia parts and accessories including 2144138051 Case-Oil Seal. Our site supplies OEM parts you can trust. We stock a wide range of genuine OEM parts available at reasonable prices. Besides, we have simple returns and swift delivery to ensure a seamless shopping experience.

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