PLEASE NOTE - Some products are not immediately available. If your order will be delayed, we will e-mail you or call you and let you know.
E-MAIL US HERE about availability and we will respond quickly! We ship same day if your order was placed by 1:00 PM EST during normal business hours BASED ON AVAILABILITY.
NEXT DAY SHIPPING NOTE - Please see our Shipping Policy SATURDAY OR SUNDAY DELIVERY IS NOT AN OPTION.

NOTE -
WE WILL BE CLOSED ON FRIDAY, APRIL 18th IN CELEBRATION OF RESURRECTION DAY WEEKEND. WE WILL RESUME NORMAL BUSINESS HOURS ON MONDAY, APRIL 21st.
ORDERS PLACED ON FRIDAY, APRIL 18th AND THIS WEEKEND WILL BE PROCESSED ON MONDAY APRIL 21st.

HAVE A GREAT TIME ON THE WATER AND HAPPY RESURRECTION DAY WEEKEND!

Mercruiser Center Rise Block Off Plate OEM Barr Marine MC-20-87918

$22.45 $24.95


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

  • For Mercruiser center rise exhaust manifolds in fresh water cooling applications
  • Fits Mercruiser 98502A2, 98504A3 and 44354A3 risers
  • Separates engine antifreeze from raw water
  • Replaces Barr MC20-87918
  • Replaces Mercury 27-8637251