This OEM Mercury Quicksilver High-Performance Gear Lube (1 Quart) is specially formulated for Mercury, Mariner, and MerCruiser gearcases that operate under heavy loads and high-performance conditions.
Developed to provide superior protection against gear wear, corrosion, and foaming, this factory-approved gear oil maintains film strength even when exposed to extreme pressure and water intrusion.
Designed to meet Mercury’s highest marine standards, it ensures consistent gear operation, reduced friction, and extended component life for high-output outboards and sterndrives.
Replaces OEM part number 8M0222065, and is compatible with all Mercury Quicksilver High-Performance lower unit applications.
Product Features
- Manufacturer: Mercury Marine (OEM)
- Application: Mercury, Mariner, and MerCruiser lower units
- Type: Quicksilver High-Performance Gear Lube
- Size: 1 Quart (32 oz)
- Viscosity Grade: SAE 90 Marine Gear Oil
- OEM Part #: 8M0222065
- Cross Reference #: 173241, 173242, 174979, 174980, 18-9650-2, 488084, 500711, 500712, 500716, 508318, 765723, 765724, 765725, 766155, 766156, 770795, 772082, 772083, 775599, 775600, 775601, 775603, 775604, 778746, 778747, 778749, 778755, 779479, 779750, 779751, 8M0059254, 8M0059255, 8M0061425, 8M0075303, 8M0219575, 8M0222063, 8M0222064, 8M0222065, 8M0222066, 8M0222070, 802854A1, 802854Q1, 802854Q40, 816026A4, 850743A1, 850743A40, 858064KC1, 858064K01, 858064QB1, 858064QC1, 858064Q01, 883667A1, 883678A1
- Performance: Extreme-pressure, anti-foam, and anti-corrosion additive package
- Compatibility: For all Mercury Racing, Bravo, Sport Master, and standard lower units
- Condition: 100% brand-new genuine Mercury OEM lubricant
- Warranty: Protected by Mercury Marine’s limited parts warranty
Additional Information
Note: Recommended for high-performance Mercury, Mariner, and MerCruiser outboards, sterndrives, and gearcases.
Provides excellent film strength, thermal stability, and water separation even under severe marine conditions.
For best results, replace gear lube every 100 hours or at least once per season.
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 gearcase model number to verify proper application before ordering.
