Mercury 8M0222063 – SAE 90 Premium Gear Lube, 1 Quart

High-performance SAE 90 gear lube designed to protect outboard and jet pump lower units under extreme marine conditions.

Product Overview

Mercury 8M0222063 SAE 90 Gear Lube is a premium lower unit lubricant formulated for use in Mercury, Mariner, and MerCruiser outboards and jet pumps under 75hp. This high-viscosity gear oil delivers maximum wear protection even in the presence of water, helping to prevent gear case failures and pitting due to corrosion.

Tested to Mercury Marine's OEM standards, this oil maintains strength under load, reduces friction, and extends gear life, even during high-RPM or saltwater operation. Use with gear lube pump 8M0222068 for easy, clean gearcase filling.

Key Features

• For use in Mercury, Mariner, and MerCruiser engines under 75hp
• SAE 90 high-viscosity gear lube
• Provides maximum wear and corrosion protection
• Designed to perform even when water enters the gear housing
• Helps prevent pitting and gear failure
• 1-quart (32 oz) bottle – suitable for multiple gearcase fills
• Use with Mercury gear lube pump 8M0222068 for mess-free service

Application Compatibility

• Outboards and jet pumps below 75 horsepower
• Mercury and Mariner outboards
• MerCruiser lower units
• Freshwater and saltwater environments
• Supersession: 858064K01, 802854A1

Always refer to your owner’s manual for application-specific guidance.