This product has been discontinued.
Sierra
Sierra 18-8821-1 Spark Plug Wire Set
Price: $65.95
 Discontinued
Part # 18-8821-1
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3 Customer Reviews
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(Discontinued)
Description Customer Reviews Customer Questions & Answers Shipping
Replaces OEM part #
  • MERCURY MARINE 84-816761Q4
  • MERCURY MARINE 84-816761Q3
  • MERCURY MARINE 84-816761A17
  • MERCURY MARINE 84-813720A4
  • MERCURY MARINE 84-813720A3
  • MERCURY MARINE 84-816761Q17
  • MERCURY MARINE 84-816761A4

Details:

  • Ignition Type: Thunderbolt
Average Customer Review for Sierra 18-8821-1 Spark Plug Wire Set
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spark plug wires
by Ronald from Northern Arm, Newfoundland & Labrador on August 23, 2016
Very good quality and fit. My mercruiser engine is running much better since I installed the new spark plug wires.
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Spark Plug Wire Set
by Paul from Carmichael, California on April 29, 2016
The spark plug wire set was a big upgrade for my boat, Thanks
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Heavy duty
by John from Littlerock, California on October 02, 2013
These ign. wires look and feel much better than stock. Great buy.
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