Mercury 27-52579 27-72916 27-78410 20HP Cylinder Block Cover Gasket Sierra 18-0372

  • Sale
  • Regular price $15.95
  • Will be in stock after


  • Mercury 20HP Outboard Cylinder Block Cover Gasket
  • For use with:
    • 20 HP Mercury/ Mariner engines.
  • Manufacturer: Sierra
  • Model Number: Cover Gasket
  • Part Number: 18-0372
  • Also Known As: 180372, Mercury Marine 27-52579, 27-72916, 27-78410, 2752579, 2772916, 2778410, GLM 30980