Mercury Mariner 40 / 150-200 Hp Spark Plug Wire 9" Replace 84-813715A1 90816A25

Spark Plug Wire for Mercury Mariner

This 9-inch spark plug wire replaces OEM part numbers 84-813715A1 and 90816A25 for Mercury Mariner outboard engines, providing reliable ignition performance.

Overview

This spark plug wire for Mercury Mariner engines ensures a consistent spark to the plugs, supporting smooth operation across 40 and 150-200 HP models. It is a direct replacement for worn or damaged wires, maintaining your outboard's ignition system.

Built For Performance

• Replaces OEM part numbers 84-813715A1 and 90816A25
• 9-inch length for precise fit on select Mercury Mariner engines
• High-quality insulation resists heat and vibration
• Conductive core delivers reliable spark transmission
• Simple installation with existing ignition components

Fits These Machines

• for Mercury Mariner 40 HP
• for Mercury Mariner 150 HP
• for Mercury Mariner 175 HP
• for Mercury Mariner 200 HP

Specs At A Glance

Good To Know

Q: Will this spark plug wire fit my Mercury Mariner? A: This wire is designed for Mercury Mariner outboards listed in the compatibility section, always verify your engine's serial number for exact fit.

Q: How often should spark plug wires be replaced? A: Replace them when you notice misfires, rough idling, or after about 100 hours of operation to maintain optimal performance.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.