Sierra 118-4248-9 Drain/Fill Plug Washer (Pack of 5)

Sierra's 18-4248-9 Drain/Fill Plug Washers are designed specifically for use with Johnson/Evinrude outboard engines and OMC stern drives. These essential replacement washers provide a reliable seal for lower unit drain and fill plugs, helping prevent gear oil leaks during routine maintenance.

Key Features:

• Constructed of durable plastic material for long-lasting performance
• Designed for use with Sierra's 18-2387 Lower Unit Drain/Fill Screw
• Package includes five drain/fill plug washers
• Replaces OEM part numbers: Johnson/Evinrude 311598, OMC Stern Drive 311598 and 3852105
• Cross-references: Mallory 9-60408, Volvo Penta 3852105
• Meets or exceeds original equipment specifications

These washers are essential maintenance items that should be replaced during every lower unit oil change to ensure proper sealing and prevent costly leaks. Sierra Marine products are engineered to deliver reliable performance for marine applications.