Sierra 18-2430 Drain Screw Gasket


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Sierra 18-2430 Drain Screw Gasket

Sierra's 18-2430 Drain Screw Gasket forms a tear resistant gearcase drain screw seal. 

  • Rubber coated, stainless steel washer.

Used with 3/8-16 drain/fill screw found on all Mercruiser and most Mercury/Mariner O/B gearcases.

Interchangeable with:

  • Mallory
    • 9-60105
  • Mercruiser Stern Drive
    • 26-830749
  • Mercury Marine
    • 26-830749

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