Marine Oil Seal GLM 86170 Johnson/Evinrude 318973 321480 9-76207 18-2028 2pcs

Marine Oil Seal for Johnson/Evinrude

This two-piece marine oil seal set is an aftermarket replacement for Johnson/Evinrude outboard lower units, referencing GLM 86170, 318973, 321480, 9-76207, and 18-2028.

Overview

This marine oil seal set is built for Johnson/Evinrude outboard lower units, providing a tight seal around the drive shaft. The marine oil seal helps keep gearcase oil inside and water outside, supporting reliable outboard operation. It is a practical aftermarket choice for Johnson/Evinrude outboard maintenance.

Built For Performance

• Precision-molded sealing lip designed to match the OEM shaft surface
• Corrosion-resistant metal casing for marine environments
• Sold as a two-piece set for a complete lower unit seal job
• Cross-references GLM 86170, 318973, 321480, 9-76207, and 18-2028
• Designed for Johnson/Evinrude 20-35 Hp driveshaft applications

On-The-Job Use

• Replacing leaking lower unit oil seals during marine maintenance
• Reassembling outboard gearcases after water pump service
• Restoring protection for Johnson/Evinrude outboard drive shafts
• Repairing water intrusion damage in lower unit housings

Specs At A Glance

Good To Know

Q: Is this an OEM part? A: No, this is an aftermarket marine oil seal made to replace the original for Johnson/Evinrude outboards.

Q: How do I confirm this oil seal matches mine? A: Compare the old part number to GLM 86170, 318973, or 321480 and check the shaft diameter before ordering.

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