Spark Plug Wire Set, GM 3.0L

$43.48 On Sale
Spark Plug Wire Set, GM 3.0L
SKU: 239504
Mfg# 18-8833-1
LFS# SIE1888331
UNIT: Each
In Stock - Ships out in 1 Business Day


Sierra Spark Plug Wire Set for boats powered Mercruiser Stern Drive 3. 0L/3. 0LX I/L4 GM engines with Delco EST type ignition. This new wire set can increase power and save fuel.


  • Mercruiser Stern Drive 84-816761Q14, 84-816761A14
  • Malory 9-28056
  • Magnetic Suppression Core manufactured for your specific application.
  • 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
  • OE style boots provide a sealed barrier against heat, dirt and moisture
  • Thunderbolt type ignition



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Question: How do I find engine parts for my boat's motor?

Answer: Use our SONAR engine parts finder tool. You can search by engine make, model, year or OEM part number. If you still can't find what you are looking for, give us a call 1-800-998-9508


Read the Sierra Warranty

Returns are available within 30 days from the date you receive your order and items must be in new, resalable condition, in the manufacturer's original packaging. See Details