This OEM Mercury Extreme Performance Gear Lube (1 Quart) is specifically formulated for high-powered outboards and sterndrives that demand maximum gear protection under extreme load and heat conditions.
Developed for Mercury Racing, Bravo, and Sport Master lower units, this heavy-duty lubricant provides superior protection against metal wear, foaming, and corrosion, even in the harshest saltwater environments.
Its high-performance synthetic blend ensures exceptional film strength, temperature stability, and extended gear life under high-speed operation.
Replaces OEM part number 8M0111677 and is Mercury’s factory-approved extreme-duty marine gear oil.
Product Features
- Manufacturer: Mercury Marine (OEM)
- Application: High-load outboard and sterndrive gearcases
- Type: Extreme Performance Gear Lube
- Size: 1 Quart (32 oz)
- Viscosity Grade: SAE 90 Marine Gear Oil
- OEM Part #: 8M0111677
- Performance: Extreme pressure, anti-foam, and anti-corrosion protection
- Compatibility: Recommended for Mercury Racing, Bravo, and Verado outboards
- Condition: 100% brand-new genuine Mercury OEM lubricant
- Warranty: Backed by Mercury Marine’s limited parts warranty
Additional Information
Note: Formulated for high-torque gearcases and high-horsepower engines operating at sustained speeds or heavy loads.
Provides excellent film adhesion, thermal stability, and resistance to water contamination.
Do not mix with non-Mercury gear oils to maintain peak performance and protection.
Shipping Information
SHIPPING: Additional shipping fees to Alaska, Hawaii, U.S. Territories, or international destinations will be calculated after checkout.
You will receive an email and a PayPal money request for the additional shipping charges at the email address provided.
(Some items are excluded from international shipping.)
Customer Support
For questions or to confirm compatibility, please email customerservice@marinepartswarehouse.com .
Please include your engine or lower unit model number to verify correct oil selection before ordering.
