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Sierra Marine (MW)
118-0398

Sierra 18-0398 Thermostat Gasket Replaces 27-8M2021920 - MW

SKU SIE-18-0398 MPN 118-0398 MFR Sierra Marine (MW)

Express
Toronto, ON Vancouver, BC NJ, Warehouse FL, Warehouse
"Express" items are automated and typically shipped out the next available business day and delivered within 4 days.
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Sierra 18-0398 Thermostat Gasket for V6 and V8 Marine Engines

Sierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierra's unmatched manufacturer's warranty. For use on Mercruiser Stern Drives, OMC Stern Drives, and Volvo Penta engines.

  • Use with aluminum exhaust manifolds
  • Fits 110/120 & 140/150/160 (I/L 6 cyl.) also MCM 3.0L/LX w/ closed cooling

Interchangeable with:

  • GLM
    • 35060
  • Mallory
    • 9-60009
  • Mercruiser Stern Drive
  • OMC Stern Drive
    • 3852111
    • 312797
  • Volvo Penta
    • 835417

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

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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.