Engineered Marine Products 84-84005 9-Inch Marine Spark Plug Wire

The Engineered Marine Products 84-84005 is a single 9-inch replacement spark plug wire engineered specifically for marine ignition systems. Designed to deliver reliable high-voltage spark transmission in the demanding conditions of a marine engine compartment, this ignition lead is a direct-fit replacement for compatible outboard and sterndrive applications.

Key Features:

• 9-inch length for precise, factory-style routing in the engine compartment
• Silicone jacket construction provides resistance to heat, moisture, and oil exposure common in marine environments
• Low-resistance core ensures maximum voltage transfer from coil to spark plug for consistent ignition
• Corrosion-resistant terminals help maintain solid electrical contact in salt and freshwater environments
• Sold as a single wire — ideal for replacing one damaged or worn lead without purchasing a full set

Engineered Marine Products (EMP) is a trusted name in OEM-quality marine ignition components. The 84-84005 plug wire is built to meet the performance standards of original equipment, making it a reliable choice for routine maintenance or ignition troubleshooting on marine engines.