Sierra 18-2371 Marine Drain Screw for Yamaha Outboard Motor

The Sierra 18-2371 is a marine-grade drain screw designed specifically for Yamaha outboard engines. This essential replacement part allows for proper drainage of water and fluids from the lower unit, making it a critical component for routine maintenance and winterization procedures.

Key Features:

• Precision-threaded steel construction for reliable sealing and durability
• Corrosion-resistant material suitable for marine environments
• Direct replacement for Yamaha OEM drain screws
• Essential for lower unit maintenance and fluid changes
• Ensures proper drainage to prevent freeze damage during storage

This drain screw is a vital maintenance component that helps protect your Yamaha outboard's lower unit from damage. Regular inspection and replacement of drain screws prevents leaks and ensures proper sealing during gear oil changes and seasonal maintenance.