Mercury – Quicksilver Solenoid | Outboard Electrical System | Marine-Grade Construction | 8M0185147

Overview

Every boater knows that dependable starting power isn’t something you hope for — it’s something you build into your engine with the right parts. This Mercury Marine part is one of those small but essential components that keeps the day running smoothly. Turn the key, hear that familiar spark, and you’re already in the rhythm of the water. With this solenoid, you get that steady, reassuring response whether you’re drifting into a quiet creek at sunrise or heading back through a choppy inlet at dusk.

Key Features

• Delivers reliable starting performance for select Mercury outboards
• Marine-grade construction to withstand vibration and changing temperatures
• Brass or copper terminals designed for clean, consistent electrical contact
• Conforms to SAE J1171 and ISO 8846 marine ignition safety standards
• Built to precise Mercury Marine part number 8M0185147 requirements
• Tested to hold up in tough saltwater environments

Engine & Boat Compatibility

• Fits Mercury twenty and twenty-five horsepower Jet outboards
• Compatible with Super Fifteen, Fifteen XD, and Twenty-Five SeaPro and Marathon two-cylinder engines
• Fits Mercury fifty, fifty-five, and sixty horsepower outboards, plus forty-five horsepower Jet engines
• Works with engines in serial ranges 0G438000 through 0T999999 and 0D000750 through 0G290584
• Common on aluminum fishing boats, utility skiffs, pontoons, small center consoles, and lightweight runabouts

Performance & Practical Benefits

A dependable solenoid changes the entire feel of the engine. You’ll notice how smoothly the electrical system connects, how sure the start-up feels, and how steady the outboard responds in day-to-day use. The tight, secure terminals keep power flowing without hesitation, even after long runs, rapid trim changes, or bouncing through a patch of rough afternoon chop. Installation is clean and predictable — the part fits as if it’s always belonged there, with no awkward adjustments or loose seating.

Saltwater boaters will appreciate the durability most. The solenoid is designed to resist corrosion, hold firm under vibration, and stay stable even when exposed to humidity, spray, and constant temperature changes. Once installed, it simply becomes part of the boat’s heartbeat — steady, smooth, and quietly essential.

Why Buy OEM

There’s something to be said for using a genuine Mercury Marine part when you’re maintaining an outboard you truly rely on. Aftermarket copies can look similar, but they often fall short in the places you can’t see — internal tolerances, electrical stability, or long-term corrosion resistance. With the correct Mercury part number, you know exactly what you’re getting: a clean fit, dependable performance, and far fewer surprises.

When you’re miles from the dock or running a tight channel, that kind of reliability isn’t optional — it’s a must. Sticking with OEM keeps your outboard healthy, your costs predictable, and your time on the water stress-free.

FAQ

Q1: Which Mercury engines does the Quicksilver 8M0185147 Solenoid fit?

It fits a range of Mercury two-cylinder and three-cylinder outboards from twenty horsepower up to sixty horsepower, including several Jet series engines.

Q2: What makes this different from aftermarket options?

It follows strict Mercury Marine engineering standards, offering tighter connections, better durability, and true ignition safety certifications.

Q3: How do I know if it’s the correct replacement?

Check your engine’s serial range or your previous part number. If they match the listed compatibility, this is the right solenoid.

Q4: Can it be used in saltwater and freshwater?

Yes — it’s built and tested for rugged saltwater use and performs equally well in freshwater.

Q5: Is installation simple?

Most boaters find it straightforward thanks to the precise fit and familiar Mercury layout.