Mercury – 10W-30 Oil Change Kit | 4-Stroke Yamaha F30–F70 Series | Marine Oil & Filter Set | 8M0162421

Overview

There’s something comforting about knowing your outboard is running on fresh, high-quality oil — the kind of comfort that settles in as you ease away from the dock and feel the engine respond with that smooth, steady note you rely on. If you run a Yamaha F30, F40, F50, F60, or F70, you already understand how important good maintenance is to keeping your trips predictable and your engine happy. Mercury Marine part 8M0162421 takes all the guesswork out of routine service. Everything you need to complete a clean and proper oil change comes in one box, giving you the confidence that your motor is protected and ready for whatever kind of day unfolds on the water.

Key Features

• Complete oil change kit for Yamaha F30, F40, F50, F60, and F70 four-stroke outboards
• Includes three 1-liter bottles of Quicksilver 10W-30 marine engine oil
• Premium Quicksilver oil filter, drain plug gasket, and funnel included
• Enhanced anti-wear additive system offering up to 33% better camshaft protection
• Exceptional viscosity retention during long-run, high-load operation
• Meets or exceeds Yamaha manufacturer specifications
• NMMA FC-W and FC-W Catalyst Compatible

Engine & Boat Compatibility

Perfect for all Yamaha four-stroke outboards in the following ranges:

• F30, F40, F50, F60, and F70 models
• Boats commonly powered by these engines: small center consoles, aluminum fishing boats, pontoon boats, flats boats, skiffs, and lightweight runabouts
• Engines requiring FC-W-rated marine oil with 10W-30 viscosity

Performance & Practical Benefits

What you’ll notice most after performing an oil change with this kit is how the engine settles into a calmer, smoother rhythm. Marine engines live harder lives than automotive ones — long hours at mid-range, idle time in shallow water, sudden bursts of power, constant exposure to wash and humidity. Quicksilver’s 10W-30 oil is built for that environment.

This formula holds its viscosity longer, even during hot afternoons or repeated long runs. The advanced anti-wear package shields moving components, helping reduce friction and slowing long-term wear. You may not see the protection happening, but you’ll feel it in easier starts, a quieter idle, and a general sense that the engine isn’t working any harder than it needs to.

Corrosion resistance is another key advantage. Whether your boat sits for stretches between trips or you run primarily in saltwater, the internal surfaces stay protected from moisture and deposits.

The oil filter included in the kit threads on smoothly, seals tightly, and is built specifically for marine environments. With the drain plug gasket and funnel included, the job becomes easy, neat, and satisfying — no last-minute store runs or mismatched parts.

Why Buy OEM

Outboard engines aren’t cheap, and protecting them with proper oil is one of the simplest long-term investments you can make. OEM kits like Mercury Marine part 8M0162421 remove uncertainty. The oil is engineered for marine conditions, the filter is built to correct tolerances, and the complete kit saves time while ensuring you’re using exactly what your engine needs.

Aftermarket oils may meet some basic standards, but few are formulated specifically for the stress, heat, and corrosion challenges of real-life boating. This kit is the reliable, practical choice for boaters who want to keep their Yamaha running strong for years to come.

FAQ

Q1: Which engines does this oil change kit fit?

It’s designed for Yamaha F30–F70 four-stroke outboards.

Q2: What sets this oil apart from generic options?

The marine-specific additives resist wear, heat, and corrosion far better than automotive oils.

Q3: How do I confirm compatibility?

Check your owner’s manual — if it calls for 10W-30 FC-W-rated oil, this kit is the correct choice.

Q4: Is this oil suitable for saltwater?

Yes. The corrosion inhibitors are formulated for both saltwater and freshwater environments.

Q5: Is installation simple for most owners?

Absolutely. Everything needed for the oil change comes in the box, making the process straightforward.