New Sierra Premium Marine Spark Plug wire set. Part # 18-8804-1 for Mercruiser Thunderbolt V8 Engines w/ thunderbolt ignition. New in the box. Wires may be black or blue.



Sierra 18-8804-1 Wiring Plug Set Replaces 84-816608Q61


Mercruiser Thunderbolt V8 Spark Plug Wire Set by Sierra

For 8 cylinder engines with Thunderbolt ignition systems.

 

  • Kit includes coil wire.
  • Kevlar® core for maximum durability and long life.
  • Durable stainless steel wound conductor for maximum horsepower and engine performance.
  • Premium silicone jacketing and boots for the ultimate in high temperature protection.
  • Superior RFI suppression for the most sensitive electronic system.
  • Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity.

Replaces:

  • Mercruiser
    • 84-813720A4, 84-816761Q4, 84-816761K 4, 84-813720A3, 84-816761Q3, 84-816608Q61, 84-813720A, 84-816761Q4
  • Redline
    • RL8804, 
  • Mallory
    • 9-28001, 9-28002
For returns must be undamaged & unopened, able to be resold to another buyer.