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Sierra 18-7115 Marine Front Cover Seal

Free shipping on orders over $29.99

$6.55

$ 2 .99 $2.99

In Stock

About this item

  • ID: 1.735' or 44.1mm: This O-Ring has an ID of 1.735' or 44.1mm
  • Width: 0.135' or 3.4mm: The width of this O-Ring is 0.135' or 3.4mm
  • Interchangeable with other brands: Compatible with select Johnson/Evinrude, Mercruiser, Mercury, and OMC engines
  • Package includes one O-Ring: Each package contains a single O-Ring
  • Material: Made of durable rubber material
  • Exceeds original equipment specifications: Meets or exceeds the original equipment part it replaces


Sierra's 18-7115 O-Ring is designed for use in select Johnson/Evinrude, Mercruiser, Mercury, and OMC engines. The o-ring features a 1.735" I.D. and a 0.135" width. The package includes one o-ring. It is interchangeable with GLM 82240; Johnson/Evinrude Outboard 302588; OMC Stern Drive 302588; Mercruiser Stern Drive 25-20266 and 25-26722; and Mercury Marine 25-20266 and 25-26722. Check manufacturer recommendations to ensure a proper fit before purchasing. Each Sierra product meets or exceeds the original equipment part it replaces.


Andrew Barber
Reviewed in the United States on November 17, 2019
What's there to say. It's a seal. It worked.
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