Mercruiser Center Rise Block Off Plate OEM Barr Marine MC-20-87918
$22.45
Competitor Price:
$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
Most in-stock orders ship within 24 hours. Orders placed by 1:00 PM EST typically ship the same business day, subject to availability.
Average delivery time within the Continental U.S. is 3–7 business days.
Expedited shipping options are available on select products. Weekend delivery is not available.
Oversized items, drop-shipped products, and shipments to Alaska, Hawaii, or international destinations may require additional time or shipping costs.
Tracking information is emailed once your order ships.