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Sierra Marine (MW)
18-0518

Sierra 18-0518 Valve Stem Seal Replaces 26-34217 - MW

SKU SIE-18-0518 MPN 18-0518 UPC 30999874306 MFR Sierra Marine (MW)

Express
Toronto, ON Vancouver, BC NJ, Warehouse FL, Warehouse OH, Warehouse
"Express" items are automated and typically shipped out the next available business day and delivered within 4 days.
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Sierra 18-0518 Valve Stem Seal for Mercruiser, OMC, Volvo

For most inline 4 and 6 cylinder GM (Early) and 305-350 CID GM Engines.

  • O.D.: 0.394"
  • Shaft Size: 0.282"
  • Width: 0.083"

Interchangeable with:

  • Johnson/Evinrude Outboard
    • 914323
    • 3854956
  • Mercruiser Stern Drive
  • OMC Stern Drive
    • 3854956
    • 914323
    • 3853132
  • Volvo Penta
    • 914323
    • 3854956
    • 3853132

 

WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

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Proudly serving customers across United States & Canada with Marine, RV parts and accessories.

Shipping Warehouse Locations:
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About Us

LibertyMarineUSA supplies marine and RV parts and accessories from trusted U.S. manufacturers and proven, quality-approved imported manufacturers. We focus on dependable, quality-tested products from reliable sources, so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.