Quicksilver Gear Oil Change Kit Mercury Mariner F40 4-Stroke 1L

Gearcase oil-change kit for selected Mercury and Mariner F40 four-stroke outboards. The pack contains one litre of Quicksilver High Performance Gear Lube and two replacement drain/vent screw seals for routine lower-unit servicing.

Key Features

• Quicksilver High Performance marine gear lubricant
• One-litre bottle for compatible F40 gearcases
• Includes two replacement drain and vent screw seals
• Helps protect gears against wear, corrosion and foaming
• Suitable for bottom-up filling with a compatible pump

Technical Specs

Compatibility / Fitment Guide

Compiled for selected Mercury and Mariner F40 four-stroke lower units. Standard, BigFoot and Command Thrust versions can use different capacities and hardware. Confirm that Quicksilver High Performance Gear Lube and the supplied seal type are correct for the model and serial number.

Part Number Cross Reference

• Quicksilver High Performance Gear Lube references: 92-858064QB1, 92-858064Q01 and superseding market variants
• Seal family references: 26-830749, 12-19183, 12-19183Q02
• 4Boats listing SKU: RM10-10100

Frequently Asked Questions

Is a filling pump included?

No. The stated kit contents are one litre of lubricant and two replacement seals; a compatible pump is required for bottom-up filling.

Will it fit Command Thrust or BigFoot models?

The lubricant may be correct, but capacity and plug hardware can differ. Verify the exact gearcase before purchase.

Is this four-stroke engine oil?

No. It is lubricant for the lower-unit gearbox.