Sierra 18-5228-1 MagForce 9 Inch Marine Spark Plug Wire

The Sierra 18-5228-1 is a premium MagForce marine spark plug wire designed for Mercury outboard engines. This high-performance 9-inch replacement wire features advanced construction for superior durability and engine performance in harsh marine environments.

Key Features:

• Kevlar core construction provides maximum durability and extended service life
• Durable stainless steel wound conductor delivers maximum horsepower and engine performance
• Premium silicone jacketing and boots offer ultimate high temperature protection
• Superior RFI (radio frequency interference) suppression protects sensitive electronic systems
• Corrosion-resistant stainless steel terminals ensure maximum conductivity in marine conditions
• OE-style boots create a sealed barrier against heat, dirt, and moisture
• 9 inch (228.6mm) length for precise fitment

This premium spark plug wire meets or exceeds original equipment specifications and is designed as a direct replacement for Mercury Marine part number 84-813715A1. Sierra marine ignition components are engineered specifically for the demanding marine environment, providing reliable performance and long service life.