Tohatsu Outboard Motor Lower Unit Seal Kit 369601110 345650150 4HP 5HP 8HP 9.8HP

Lower Unit Seal Kit for Tohatsu

This lower unit seal kit for Tohatsu outboard motors includes all necessary seals to prevent water intrusion and maintain lubrication integrity. Referencing OEM cross-reference numbers 369601110 and 345650150, this kit ensures a reliable seal for 4HP, 5HP, 8HP, and 9.8HP models.

Overview

The lower unit seal kit for Tohatsu is a comprehensive replacement set designed to keep water out and oil in the gearcase. It fits various Tohatsu outboard motors, including 4HP, 5HP, 8HP, and 9.8HP powerheads. This lower unit seal kit includes all gaskets and O-rings needed for a complete seal service.

Built For Performance

• High-quality rubber compounds resist oil and water damage
• Precision-cut seals match original dimensions
• Includes all necessary gaskets for a full overhaul
• Corrosion-resistant materials extend service life
• Designed to withstand high-pressure water environments

Fits These Machines

• for Tohatsu 4HP
• for Tohatsu 5HP
• for Tohatsu 8HP
• for Tohatsu 9.8HP

On-The-Job Use

• Replacing worn lower unit seals during routine maintenance
• Restoring proper lubrication to the gearcase
• Preventing water contamination from entering the lower unit
• Used by marine technicians and DIY boat owners

Specs At A Glance

Good To Know

Q: How often should the lower unit seal kit be replaced? A: Typically every 100 hours of operation or once a season, depending on usage. Always inspect seals during gear oil changes.

Q: Are these seals compatible with OEM Tohatsu parts? A: This kit is designed to replace OEM part numbers 369601110 and 345650150, ensuring a direct fit for the listed models.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.