Lower Unit Seal Kit Johnson Evinrude 40 - 70 Hp 0396349 5000309 18-2660

Lower Unit Seal Kit for Johnson Evinrude

This lower unit seal kit for Johnson Evinrude outboard motors in the 40-70 horsepower range provides all necessary seals to maintain a watertight gearcase. It includes OEM cross-reference numbers 0396349, 5000309, and 18-2660 for reliable replacement.

Overview

The lower unit seal kit is a complete set of gaskets and seals designed for Johnson Evinrude outboards from 40 to 70 horsepower. This lower unit seal kit prevents water from entering the gearcase and protects internal components from damage. It is ideal for boaters and mechanics performing routine lower unit maintenance on Johnson Evinrude engines.

Built For Performance

• Includes all seals and gaskets for a complete lower unit overhaul
• Precision-molded rubber compounds for a tight, leak-free fit
• Resistant to oil, fuel, and saltwater degradation
• Designed to match OEM dimensions for exact replacement
• Easy to install with standard hand tools

On-The-Job Use

• Replacing worn or damaged seals during lower unit service
• Annual maintenance to prevent water intrusion in the gearcase
• Fixing leaks around the propeller shaft or driveshaft
• Essential for gearcase rebuilds and repairs

Specs At A Glance

Good To Know

Q: Are these seals compatible with all Johnson Evinrude 40-70 hp models? A: While designed for the 40-70 hp range, always verify your specific model and serial number for exact fit.

Q: What is the purpose of the O-ring in this kit? A: The O-ring seals the gearcase housing to prevent water intrusion, ensuring long-lasting protection.

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