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WE WILL BE CLOSED THURSDAY AND FRIDAY NOVEMBER 27th & 28th TO CELEBRATE THANKSGIVING AND WILL REOPEN ON MONDAY, DECEMBER 1st.

All orders placed during this time will be processed on Monday, December 1st when we resume our normal business hours.

HAPPY THANKSGIVING FROM THE TEAM AT MY INBOARD MARINE & GOD BLESS YOU!

Mercruiser Riser Block Off Plate Barr Marine OEM MC-20-55730

$22.45 $26.95


Replacement stainless steel block off plate for various Mercruiser closed cooled engines.

  • Barr Mercruiser stainless steel block off plate
  • For use with 60426A1, 76351A1, and 76771A2 Mercruiser risers in fresh water cooled applications
  • Separates engine antifreeze from raw water
  • Replaces Barr MC20-55730
  • Replaces Mercuiser 55730