Quicksilver 10L Premium Gear Lube 92-858059QB1 Outboard Below 75HP Marine Oil
92-858059QB1
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Quicksilver Premium Gear Lube 10L (92-858059QB1)
Official Marine Lubricant for Outboards Below 75HP
Quicksilver Premium Gear Lube is engineered specifically to meet the unique needs of marine outboard transmissions. This high-performance SAE 80W-90 formula provides excellent lubrication and wear resistance, ensuring your lower unit remains protected even under high-stress operating conditions. Unlike automotive oils, it contains specialized emulsifiers to protect gear housings if water ingress occurs.
Key Features
- β Genuine Quicksilver/Mercury Marine Part
- β Premium SAE 80W-90 Viscosity
- β Protects gears in water-contaminated oil
- β Minimizes wear and extends gear life
Technical Specs
| Volume | 10 Litres |
| Viscosity | SAE 80W-90 |
| Application | Outboards <75HP |
| Container Type | Rigid 10L Bottle |
Compatibility / Fitment Guide
| Engine Range | Recommended Use | Notes |
|---|---|---|
| Mercury & Mariner | All Outboards Below 75HP | Standard Gearcases |
| Other Outboards | Various Small HP Models | Check Manual for 80W-90 spec |
| OMC Electric Shift | NOT COMPATIBLE | Requires specialized OMC fluid |
OEM Cross Reference
| Quicksilver / Mercury MPN | 92-858059QB1 |
| Alternative 10L Number | 92-858059Q |
| 1 Litre Bottle Reference | 92-858058QB1 / 92-858058Q01 |
Questions & Answers
Is this a genuine original part?
Yes, this is an authentic Quicksilver product, which is the official parts and lubricants brand for Mercury Marine engines.
Can I mix this with the High Performance (Green) Gear Lube?
No. It is strongly recommended NOT to mix Quicksilver Premium Gear Lube with Quicksilver High Performance Gear Lube or any other lubricants, as this can affect the protective properties of the additive package.
How often should I change my gear oil?
It is recommended to check and replace gear oil after every 50 hours of saltwater use or at the end of every season before winter storage to prevent damage from potential water ingress.
Note: Always refer to your engine's owner manual to ensure you are using the correct oil viscosity and volume for your specific model. Available at 4boats.co.uk.
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