Clevite 77 Boat Main Engine Bearing 18-1147 | Replaces Mercury 74313A1

This main engine bearing from Clevite 77 is designed to replace Mercury part number 74313A1, ensuring optimal engine performance.

• Compatible with various Mercury engines
• High-quality materials for durability
• Precision engineering for a perfect fit

Please check fitment, sizing, and compatibility before purchasing. Professional installation is recommended where required.