Sierra 18-46981-9 Drain Fill Washer Pack of 50

The Sierra 18-46981-9 drain fill washer is designed for use with lower unit drain and oil level screws on Mercury and Yamaha marine engines. These replacement washers ensure proper sealing during oil changes and maintenance procedures on outboard motors.

Key Features:

• Pack of 50 washers for multiple service intervals
• Compatible with Sierra magnetic drain screws 18-2374 and 18-2371
• Replaces Mercury Marine 27-81987M and Yamaha 90430-08020-00, 604-45342-00-00, 90430-08801-00
• Engineered to withstand harsh marine environments
• Black design with specific installation and torque requirements

These drain fill washers are essential replacement parts for maintaining proper sealing on outboard lower unit drain and fill plugs, helping prevent leaks and ensuring reliable engine performance.