Mercury – Quicksilver Starter Solenoid | Outboard & Sterndrive Electrical System | Marine-Grade Construction | 8M0185149

Overview

There’s a moment right before the engine fires, a quiet heartbeat of anticipation — when you trust every part of your system to do its job. That’s where this Mercury Marine part proves its worth. You turn the key, hear that confident click, and the engine comes alive without hesitation. Whether you’re backing away from the dock or heading out for a long run, this solenoid gives you that steady sense of dependability that seasoned boaters count on.

Key Features.

• Starter solenoid with a flat mounting plate for versatile installations.
• Designed for a wide variety of Mercury and Mariner outboards.
• Compatible with many MerCruiser sterndrive platforms.
• Built to precise Mercury Marine part number 8M0185149 specifications.
• Durable marine-ready finish for long-term resistance to heat and vibration.

Engine & Boat Compatibility

• Fits multiple Mercury and Mariner outboard horsepower ranges
• Works with MerCruiser sterndrive and inboard systems
• Suitable for recreational fishing boats, bowriders, pontoons, cruisers, and utility craft
• Ideal for setups requiring a flat-mount starter solenoid

Performance & Practical Benefits

A good starter solenoid delivers a clean, instant connection, and that’s exactly what you’ll feel with this one. Starts become smoother, more predictable, and free from the hesitation that often signals trouble. The flat mounting plate gives you a stable, secure installation point, even in tighter engine compartments where space is limited. Once mounted, the solenoid stays firm under vibration, keeping electrical connections steady through hard acceleration, long idle periods, and everything in between.

Its marine-focused design means it resists corrosion and constant temperature changes — a must for boats that see heavy use or frequent saltwater exposure. And because it’s built to Mercury standards, the fitment just feels right. No awkward angles, no forcing parts to line up — just a straightforward replacement that blends seamlessly into your system.

Why Buy OEM

Every boater eventually learns that using genuine Mercury Marine parts isn’t about brand loyalty — it’s about avoiding headaches. With the correct part number, you get the performance your engine was designed for and the longevity that cheaper aftermarket pieces often fail to deliver. This solenoid is engineered to match Mercury’s original specifications, which helps protect the rest of your electrical system and keeps your starts consistent.

In the long run, OEM parts save you time, reduce troubleshooting, and give you confidence when you’re far from shore. And on the water, confidence matters.

FAQ

Q1: Which engines does the Quicksilver 8M0185149 Solenoid fit?

It fits a broad range of Mercury and Mariner outboards, as well as many MerCruiser sterndrive and inboard engines.

Q2: What sets it apart from aftermarket versions?

It’s built to Mercury Marine engineering tolerances, ensuring cleaner starts, more stable power flow, and dependable long-term performance.

Q3: How can I confirm it’s the right replacement?

Match your existing part number or check your manual for compatibility with a flat-mount solenoid like this one.

Q4: Is it suitable for freshwater and saltwater?

Yes — the construction is designed to thrive in harsh marine environments.

Q5: Will installation be easy for most boat owners?

Most owners familiar with their electrical system find the installation simple, thanks to the stable flat-mount design and accurate Mercury fit.