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Sierra 18-7420 O-Ring Replaces 25-21836 - MW

SKU SIE-18-7420 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 18-7420 O-Ring 

This item has been discontinued by the manufacturer and is repalced by 18-7420-9

Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser Stern Drives and Mercury Marine engines.

  • I.D.: 0.796"
  • Width: 0.139"

Interchangeable with:

  • GLM
    • 82110
  • Mallory
    • 9-76565
  • Mercruiser Stern Drive
    • 25-21836
  • Mercury Marine
    • 25-21836
  • Mercury Race Outboard
    • 25-21836
  • Mercury Race Sterndrive
    • 25-21836
  • Mercury Sport Jet
    • 25-21836

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

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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.