Service Kit 300hr Mercury 175-225hp 3.4L V6 4-t

Mercury High Performance Gear Lube 8M011677 is 85W90 weight for use in outboard and sterndrive racing applications. Also for use in high‑performance gearcases used in marine, powersports, and motorsports applications. Provides maximum protection against wear. Its tackifiers and pressure additives improve oil film adhesion and protect against excessive wear. Helps prevent horsepower loss and won’t break down when gears reach high temperatures. Advanced emulsifiers protect gears if water enters the gear housing. Should be changed once each year when winterizing the engine or every 100 hours of operation.

The Quicksilver Gear Lube Pump Outboard or sterndrive 3/8" - 16 Drain Plug. Easily replace your lower unit oil with this pump. Fits all quart and liter bottles. Fits any outboard or sterndrive with a 3/8"‑16 drain plug. Use adapter (included) for gear cases with an M8x1.25 drain plug.

Four stroke synthetic blend oil is recommended for use in all four stroke outboards to 150 hp, 3.4L V-6 outboards and 4.6L V-8 outboards. It is SAE 10W30 weight oil. Provides outstanding wear and corrosion protection to help extend engine life. See your owner's manual or service manual for specific applications and instructions.

Mercury Full Synthetic 4-Stroke Marine Engine Oil 8M0206998 is for use in non-catalyzed 4-stroke outboard, sterndrive and inboard engines. This is a one gallon bottle. Quicksilver 10W-30 Full Synthetic features a specialized additive package with elements that protect hard-working marine engines. It protects internal engine surfaces from deposit buildup, neutralizes harmful byproducts of fuel combustion and provides industry leading defense against rust during intermittent engine use. It exceeds NMMA® FC-W® standards for non-catalyzed outboard, sterndrive and inboard engines.

Mercury Full Synthetic 4-Stroke Marine Engine Oil 8M0206997 is for use in non-catalyzed 4-stroke outboard, sterndrive and inboard engines. This is a one gallon bottle. Quicksilver 10W-30 Full Synthetic features a specialized additive package with elements that protect hard-working marine engines. It protects internal engine surfaces from deposit buildup, neutralizes harmful byproducts of fuel combustion and provides industry leading defense against rust during intermittent engine use. It exceeds NMMA® FC-W® standards for non-catalyzed outboard, sterndrive and inboard engines.