Quicksilver High Performance Gearbox Oil Change Kit for Mercury & Mariner F40 4-Stroke Outboards
RM10-10100
- Dispatched in 2-3 days
- 30 Day Return Policy
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Gearbox Oil Change Kit - F40 4-Stroke
Premium Quicksilver Maintenance for Mercury & Mariner
Perform a professional-grade lower unit service with this Quicksilver High Performance Gearbox Oil Change Kit. Specifically tailored for the Mercury and Mariner F40 4-stroke outboard range, this kit provides the industry-leading lubrication required to protect your engine's gear housing against extreme pressure and water ingress.
Key Benefits
- ✔ Superior Protection: Resists foaming and maintains viscosity.
- ✔ Water Emulsification: Protects gears if water enters the housing.
- ✔ Complete Solution: Includes required washers for a leak-free seal.
- ✔ Marine Grade: Engineered for both saltwater and freshwater.
Technical Specs
| Lube Grade: | SAE 90 |
| Bottle Volume: | 1 Litre |
| Capacity Required: | ~420ml – 480ml |
| Washer Material: | Stainless Steel / Silicone |
Compatibility / Fitment Guide
| Brand | Model / Series | Specific Notes |
|---|---|---|
| Mercury | F40 4-Stroke (All) | EFI & Carbureted Models |
| Mariner | F40 4-Stroke (All) | F40 EFI / F40MLA / F40MLPT |
| Mercury | F40 / F50 / F60 | Non-BigFoot / Standard Gearcase |
OEM Cross Reference
| Gear Lube MPN: | 92-858064K01 / 92-8M0219575 |
| Washer Reference: | 12-19183 / 27-8M0204693 / 26-830749 |
Questions & Answers
Is this a genuine original part?
Yes, this kit features genuine Quicksilver High Performance Gear Lube and high-quality sealing washers designed to OEM standards for Mercury marine engines.
Will I have enough oil for the job?
Absolutely. The Mercury/Mariner F40 4-stroke gearcase typically requires between 420ml and 480ml. This 1-litre bottle provides enough oil for nearly two full services.
Does this fit the Command Thrust or BigFoot models?
While the oil type is the same, Command Thrust/BigFoot models have a larger gearcase capacity (approx 710ml). This kit is ideal for standard F40 4-stroke models but provides enough oil for CT models as well.
Note: 4boats.co.uk recommends changing your gear lube every 100 hours of operation or once per season (prior to storage) to ensure maximum longevity of your outboard engine.
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