Mercury Mariner 27-78410, 30980 20 HP Cylinder Block Cover Gasket Sierra 18-0372

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  • Regular price $19.95
  • 1 available


  • Cylinder Block Gasket
  • For use with:
    • 20 HP Mercury/ Mariner engines.
  • Manufacturer: Sierra
  • Part Number: 18-0372
  • Also Known As: 180372, 27-78410