Designed for American Waters and Weather

Quality U.S. and Imported Marine Parts Built to Last!

Sierra Marine (MW)
118-1117

Sierra 18-1117 MerCruiser Alpha One Gen I & II Pinion Bearing - (MW)

SKU SIE-18-1117 MPN 118-1117 UPC 030999974242 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.
In Stock 2 available
$46.19
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Sierra 18-1117 Lower Unit Pinion Bearing

Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Johnson/Evinrude Outboards, Mercruiser Stern Drives, Mercury Marine and OMC Stern Drives.

  • Fits MR, Alpha One and Gen II engines

Interchangeable with:

  • Chrysler/Force/US Marine
    • 31-F694057
    • 31-42647A1
  • GLM
    • 21610
  • Johnson/Evinrude Outboard
    • 387817
    • 5007751
  • Mallory
    • 9-75121
  • Mercruiser Stern Drive
    • 31-42647A1
    • 31-42647
  • Mercury Marine
    • 31-42647A1
  • OMC Stern Drive
    • 387817

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

Product Specifications

Dimensions16.0000" L × 10.5000" W × 2.0000" H
Shipping Weight.41 lb
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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.