Sierra 18-8809-1 Premium MagForce Spark Plug Wire Set Inline 6 Cylinder

The Sierra 18-8809-1 is a premium marine spark plug wire set designed for inline 6-cylinder GM engines with conventional ignition systems. This high-performance wire set is engineered specifically for MerCruiser, OMC, Volvo, and other marine applications, delivering reliable ignition performance in harsh marine environments.

Key Features:

• High-tear-strength silicone jacket provides protection up to 500°F
• Unique magnetic suppression core conductor delivers maximum spark energy
• Aramid (Kevlar) inner core ensures conductor integrity and long-term durability
• Reinforcing mesh increases tensile strength of the wire
• Pure silicone boots provide superior heat and moisture protection
• Stainless steel snap-lock terminals resist corrosion in marine environments
• Electronics-friendly design protects GPS, VHF, Loran and other devices from RFI and EMI interference
• Special crimp design helps prevent terminal pull-off

This wire set meets or exceeds original equipment performance specifications and is compatible with any OEM or aftermarket ignition system. Replaces Mercury MerCruiser part number 84-816761Q8.