Sierra 18-2945-9 Drain Screw Gasket for OMC Mercury Mariner Outboard Lower Unit (2-Pack)

The Sierra 18-2945-9 drain screw gasket is a critical seal component designed for OMC and Mercury/Mariner outboard motors. This gasket creates a watertight seal around drain screws to prevent oil leaks during routine maintenance and gear lube changes.

Key Features:

• Designed for use with Sierra 18-2244 drain screws
• Fits most lower units and sea water pumps on OMC and Mercury/Mariner outboards
• Replaces worn or damaged original gaskets
• Ensures proper seal to prevent costly oil leaks
• Includes 2 gaskets per package

These gaskets are essential maintenance items that should be replaced whenever drain screws are removed for lower unit service. Using fresh gaskets ensures a reliable seal and protects your outboard motor's critical lubrication system.