Sierra 18-8832-1 Spark Plug Wire Set for MerCruiser Delco HEI V8 Engines

The Sierra 18-8832-1 is a premium spark plug wire set designed specifically for MerCruiser 454 EFI, MAG MPI, 502 EFI, and MAG MPI marine engines equipped with Delco HEI ignition systems. This complete wire set features Sierra's high-quality construction to deliver reliable ignition performance in demanding marine environments.

Key Features:

• High-tear-strength silicone jacket protects to 500°F for superior heat resistance
• Unique mag wire conductor delivers maximum spark energy
• Kevlar core for exceptional durability and long service life
• Pure silicone boots provide maximum heat and moisture protection
• Stainless steel snap-lock terminals resist corrosion and prevent pull-off
• Electronics-friendly design protects GPS, VHF, and engine controls from RFI/EMI interference

Wire Configuration:

• One 29-inch spark plug wire
• Three 33-inch spark plug wires
• Two 39-inch spark plug wires
• Two 45-inch spark plug wires
• One 9-inch coil wire

This wire set meets or exceeds OEM specifications and replaces MerCruiser part numbers 84-816608Q68 and 84-816608A68, as well as Mallory 9-28011 and CDI 631-0006. Manufactured to improve engine efficiency and fuel economy while providing reliable performance in the harsh marine environment.