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Sierra 18-2005 Oil Seal Replacement for OMC 313284 Outboard

Part of: Sierra Oil Seal for Yamaha Outboard Lower Unit

Other options in this family: Sierra 18-2001 Sierra 18-2061 Sierra 18-2062 Sierra 18-0267 Sierra 18-2029

Manufacturer

Picture for manufacturer Sierra

Part Number

18-2005
12 reviews
Sale Price

$12.65

4 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra International 18-2005 is a precision-manufactured oil seal designed as a direct replacement for OMC OEM part number 313284 (0313284). Built to Sierra's marine-grade quality standards, this seal provides a reliable, leak-free barrier for outboard motor propeller drive shaft applications.

Key Specifications:

  • Inner Diameter (I.D.): 0.625 in.
  • Outer Diameter (O.D.): 1.128 in.
  • Height: 0.250 in.
  • OEM Cross-Reference: OMC / BRP 313284 (0313284), JABSCO 92700-0060

Features & Benefits:

  • Direct OEM replacement — no modifications required
  • Engineered to meet or exceed original equipment specifications
  • Resists gear oil and marine lubricants for long-lasting performance
  • Prevents gear lube leaks from the lower unit propeller shaft area

Sierra International is a trusted aftermarket supplier of marine engine parts. The 18-2005 oil seal is a cost-effective, quality alternative to the factory OMC part, keeping your lower unit sealed and your outboard running at peak efficiency.

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Item arrived quickly and as described. Thanks

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