Marine Gearcase Lower Unit Seal Kit For Johnson Evinrude 85-300 HP And E-Tec 75-250 HP Outboard Motors Replaces 439141 5000411 Sierra 18-2623 18-8384 Plus

Outboard gearcase seal kit for Johnson/Evinrude & E-Tec HP
✔️ Replaces 439141, 5000411; fits Johnson/Evinrude & E-Tec HP engines

This gearcase lower unit seal kit is designed for marine outboard engines including Johnson, Evinrude, and E-Tec. It is used during routine maintenance to seal the gearcase and prevent water intrusion in harsh marine environments.

Gearcase lower unit seal kit key specs

✅ Fits Johnson/Evinrude 85-300 HP and E-Tec 75-250 HP
✅ Replaces part numbers 439141, 5000411, 0777521
✅ Includes seals, O-rings, and gaskets for installation
✅ Compatible with Sierra 18-8384, 18-2623 and Mallory 9-74106
✅ Package includes all parts shown in pictures

💡 What is a gearcase lower unit seal kit used for in outboard motors?

Handy kit used to seal the lower unit, keeping water out and oil in during operation and maintenance.

• Seals the gearcase and prevents water intrusion into the gear oil
• Useful during service for Johnson/Evinrude and E-Tec engines
• Includes seals and gaskets shown in the pictures