Mercury – Quicksilver Ignition Coil Assembly | Electrical System Component | OMC Outboards | 802371A1

Overview

A strong spark is the foundation of smooth engine performance, and the Mercury Marine 802371A1 Quicksilver Ignition Coil Assembly delivers exactly that. Built to the same standards as the original OMC part, this coil restores crisp ignition timing and dependable starts for select OMC outboards. Designed for life in harsh marine environments, it resists corrosion, heat, and vibration while maintaining consistent voltage output. When your engine starts missing, hesitating, or losing top-end power, this is the part that brings it back to life.

Key Features

• Purpose: Generates and delivers high-voltage spark energy to the spark plugs.
• Design: Built to factory specifications for precise voltage and timing control.
• Performance: Provides steady spark for cleaner combustion and stronger acceleration.
• Durability: Tested to endure saltwater, heat, and vibration common in marine use.
• Ease of Use: Direct-fit replacement that installs quickly with standard tools.

Engine & Boat Compatibility

• Compatible with select OMC outboards — check your service manual for specific fitment.

Performance & Real-World Benefits

The 802371A1 ignition coil helps restore your engine’s spark power, improving throttle response, fuel efficiency, and overall reliability. A weak or failing coil can cause misfires, rough idle, or poor starting — all problems that disappear with a proper OEM replacement.

This coil is built for long service life, with materials that resist salt, corrosion, and heat. Once installed, it delivers the steady spark your outboard needs to perform at its best every time you hit the water.

Why Choose Mercury OEM

The Quicksilver 802371A1 is a genuine Mercury Marine ignition part, engineered and tested for quality and consistency. Aftermarket coils may deliver uneven voltage or fail prematurely due to cheaper materials.

Mercury’s OEM components are designed to match your engine’s electrical characteristics exactly, ensuring dependable spark and long-term performance even in tough saltwater conditions. It’s a direct-fit, proven replacement you can trust.

FAQ

Q1: What outboards does this fit?
It fits select OMC outboards — check your engine’s manual or part reference for confirmation.

Q2: What’s the benefit of replacing the coil?
A new coil restores strong spark delivery, improving starts, idle smoothness, and overall power.

Q3: How is it built for marine use?
It’s made with corrosion-resistant materials and designed to withstand heat, vibration, and moisture.

Q4: Is it hard to install?
No — it’s a direct replacement that installs easily with standard tools.

Q5: Why use Mercury OEM instead of aftermarket?
Mercury’s OEM coils deliver precise voltage and durability unmatched by generic replacements.