Quicksilver – Storage Seal Engine Fogging Oil | Heavy-Duty Protective Formula | 858081Q03

Overview

Every boater knows that engines don’t like sitting still. Salt, moisture, and time have a way of sneaking into places they don’t belong — and when the season ends, your best defense is preparation. That’s where Quicksilver Storage Seal Engine Fogging Oil comes in. It’s the quiet protector that keeps your engine safe while you’re away, coating every surface with a film of security so that, months later, your first start feels just like your last. Whether you’re winterizing your outboard or putting the mower to bed, this spray gives you the kind of peace of mind that only comes from doing it right.

Key Features

• Heavy, sticky spray lubricant that forms a rust-preventing barrier on internal metal surfaces
• Keeps cylinders lubricated during long storage periods to prevent piston or ring damage
• Perfect for “winterizing” or off-season storage of all 2-stroke and 4-stroke engines
• Safe for use in outboards, sterndrives, ATVs, motorcycles, snowmobiles, lawn tools, and more
• Comes in a 12-ounce spray can with an extension tube for easy, precise application
• Meets Mercury Marine OEM standards for performance and protection

Engine & Boat Compatibility

• Suitable for Mercury and Mariner outboards of all sizes
• Ideal for sterndrive engines, personal watercraft, and small gas-powered vehicles
• Compatible with both 2-cycle and 4-stroke engines
• Commonly used for seasonal storage of marine, power sports, and yard equipment

Performance & Practical Benefits

You can tell when an engine’s been cared for — it fires up smoother, sounds cleaner, and feels tighter. That’s the difference Quicksilver Fogging Oil makes. When you spray it through your intake or directly into the cylinders, it coats the internals with a protective film that won’t drip off or evaporate. It’s thick enough to stay put but light enough to reach the areas that matter — valves, cylinder walls, piston rings, and bearings.

This oil doesn’t just block out rust; it locks in readiness. After months of sitting in the cold or humidity, your first crank won’t sound like metal scraping on metal. It’ll sound like a well-kept engine doing what it was built to do. The formula also helps prevent dry starts, one of the most common sources of early engine wear after storage.

Boaters, mechanics, and weekend DIYers alike rely on this stuff because it’s simple, effective, and built for the long haul. Spray it, seal it, and you’re done.

Why Buy OEM

There’s a reason Quicksilver has been trusted for decades — it’s made by the same engineers behind Mercury Marine, tested in the same conditions your engine faces all year. This isn’t a generic fogging spray; it’s a marine-specific formula built to withstand moisture, salt, and storage extremes.

When you buy OEM, you’re buying confidence — the kind that comes from using the right tool for the job. It’s a small step that protects your investment, saves you from costly repairs, and keeps your engine feeling like it never took a season off.

FAQ Section

Q1: Which engines or systems does Quicksilver Storage Seal fit?

It’s made for all 2-stroke and 4-stroke engines — outboards, sterndrives, motorcycles, ATVs, and yard equipment.

Q2: What makes it different from generic fogging oils?

It’s heavier, stickier, and engineered to withstand marine humidity, forming a durable anti-rust barrier that stays in place.

Q3: How do I know if it’s right for my engine?

If your owner’s manual recommends fogging oil for storage, this part number 858081Q03 is a perfect match.

Q4: Can it be used in saltwater engines?

Absolutely — it’s formulated to protect against salt and corrosion during long-term storage.

Q5: Is it easy to use?

Yes. The 12-ounce spray can with nozzle extension makes reaching intake ports and cylinders quick and simple.