Quicksilver 25W-40 Oil Change Kit for Mercury 40–60hp Outboards — 3L Oil, Filter & Seal

Quicksilver 25W-40 Oil Change Kit (part 8M0081912) is a complete service pack that contains three liters of 25W-40 4-stroke marine oil, a premium oil filter, a drain plug seal and a drip tray sized for Mercury 40–60hp EFI outboards.

This single-box kit bundles the essential consumables required to perform a proper oil change on qualifying Mercury 4-stroke outboards so you can maintain lubrication performance and corrosion protection without hunting down individual parts. The included Quicksilver 25W-40 oil is engineered for marine use and the filter and drain seal match Mercury specifications, making the kit a straightforward option for routine maintenance between service intervals.

What exactly comes inside the Quicksilver 8M0081912 kit?

The kit is assembled to give you everything needed for one oil change on compatible 40–60hp four-stroke Mercury EFI engines. Contents are chosen to simplify the job and reduce the chance of missing a component at the dock.

• Three 1L (101.4 oz total) bottles of Quicksilver 25W-40 4-stroke marine engine oil.
• Quicksilver premium spin-on oil filter sized for the listed Mercury models.
• Replacement drain plug gasket/seal to ensure a proper, leak-free fit.
• Plastic drip tray for clean oil containment during the change (included as applicable).

How does Quicksilver 25W-40 oil protect my outboard in marine conditions?

The 25W-40 formula contains additives tailored for saltwater and freshwater environments to help limit corrosion and maintain film strength under load. It provides lubricity to reduce friction-related wear, while detergents keep internal parts cleaner between services.

• Corrosion inhibitors help protect metal surfaces exposed to moisture and salt.
• Viscosity suited for higher-temperature cruising and loaded operation.
• Detergent and dispersant agents support cleaner piston rings and oil passages.
• NMMA FC-W rating and catalyst compatibility for broad OEM acceptance.

Will this kit fit my Mercury 40, 50 or 60 horsepower 4-stroke outboard?

This kit is designed specifically for Mercury 40–60hp EFI four-stroke outboards that call for 25W-40 engine oil and the corresponding filter configuration. Confirm compatibility by checking your engine’s service manual or matching the Mercury part number 8M0081912 to your engine model and year.

• Intended for Mercury 4-stroke EFI 40–60hp outboards; verify with your manual.
• Filter and seal match Mercury OE specifications for these engine sizes.
• Not a universal kit — check part fitment before purchase.

How does using a complete Quicksilver kit simplify routine maintenance?

By packaging oil, filter, and drain seal together, the kit removes guesswork and reduces trips to the parts counter. The handy drip tray keeps the work area cleaner and helps contain used oil for proper disposal.

• Single purchase supplies all primary consumables for an oil change.
• Reduces risk of mixing unequal oil brands or incorrect filters.
• Drip tray simplifies cleanup and waste oil handling at the dock.

Who is this for? Boat owners and technicians running Mercury 40–60hp four-stroke EFI outboards who want a manufacturer-aligned maintenance pack that saves time and ensures correct parts. The kit suits do-it-yourselfers who prefer an OEM-matched solution as well as professional shops that want consistent parts and lubricant performance for routine service jobs. If your engine specifies 25W-40 and uses the listed filter style, this Quicksilver kit is a convenient, OEM-focused choice to support reliable marine operation between scheduled services.