Mercury – Quicksilver 817109A2 Starter Solenoid | Mercury & Mariner Outboards | OEM Marine Solenoid | 817109A2

Overview

When you hit the key, your starter solenoid is what brings your engine to life. The Quicksilver 817109A2 Starter Solenoid is built to deliver reliable starts on a wide range of Mercury and Mariner outboards, giving you factory-level performance every time you turn the key.

This OEM solenoid is made to handle the harsh marine environment — resisting corrosion, vibration, and the heavy electrical loads that come with outboard starting systems. Whether you’re replacing a worn solenoid or preventing future starting issues, it’s the kind of part that keeps your day on the water stress-free.

Key Features

• Purpose: Replaces old or failing starter solenoids to ensure fast, reliable engine starts.
• Fitment: Fits a wide range of Mercury and Mariner outboards (check your owner’s manual for specifics).
• Construction: Built with marine-grade internal contacts and corrosion-resistant housing for long life.
• Performance: Designed to meet or exceed Mercury Marine OEM specifications for power delivery and durability.
• Ease of Install: Simple bolt-on replacement — no modification required.

Engine & Boat Compatibility

• Fits various Mercury and Mariner 2-stroke and 4-stroke outboards
• Common on fishing boats, runabouts, pontoons, and older classics

Performance & Practical Benefits

The 817109A2 solenoid provides quick, consistent power transfer to your starter motor, ensuring reliable ignition every time. A weak or corroded solenoid can cause sluggish cranking or no-start conditions — replacing it restores solid performance and prevents unexpected breakdowns.

This solenoid’s durable contacts handle high current loads, and the sealed housing keeps out moisture and corrosion. It’s small, simple, and essential — the kind of part that makes your electrical system dependable again.

Why Buy OEM

Marine environments are tough on electrical parts, and that’s why Mercury’s OEM solenoids are built differently. They’re tested to resist vibration, humidity, and saltwater exposure, ensuring reliable operation season after season.

Aftermarket options might look similar but often use lower-quality internal components that wear quickly or corrode. A genuine Quicksilver solenoid gives you the peace of mind that comes with factory engineering and guaranteed fit.

FAQ

Q1: What engines use the Quicksilver 817109A2 solenoid?
A: It fits a wide variety of Mercury and Mariner outboards — check your manual for compatibility.

Q2: What does a starter solenoid do?
A: It transfers battery power to the starter motor when you turn the key, engaging the engine to start.

Q3: Can I install it myself?
A: Yes. It’s a direct-fit part that installs easily with basic hand tools.

Q4: Why replace the solenoid?
A: A weak or corroded solenoid can cause hard starting, clicking sounds, or no-start issues.

Q5: Why OEM instead of aftermarket?
A: OEM solenoids are built for marine use — sealed, corrosion-resistant, and tested for long-term reliability.