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Sierra 18-8816-1 Premium Marine Spark Plug Wire 6 Inch

Manufacturer

Picture for manufacturer Sierra

Part Number

18-8816-1
18 reviews
Sale Price

$15.05

In Stock (10+)

delivery box

Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-8816-1 is a premium 6-inch marine spark plug wire designed for superior performance and durability in harsh marine environments. Engineered specifically for Thunderbolt-type ignition systems, this replacement wire delivers reliable ignition performance for your boat's engine.

Key Features:

  • Magnetic suppression core manufactured for specific marine applications
  • Kevlar® reinforced core provides maximum durability and extended service life
  • Durable stainless steel wound conductor ensures maximum horsepower and optimal engine performance
  • Premium silicone jacketing and boots offer ultimate high-temperature protection
  • Superior RFI (Radio Frequency Interference) suppression protects sensitive marine electronic systems
  • Corrosion-resistant stainless steel terminals at both spark plug and distributor ends for maximum conductivity
  • OE-style boots create a sealed barrier against heat, dirt, and moisture intrusion

This 6-inch marine-grade spark plug wire is built to withstand the demanding conditions of the marine environment, including exposure to salt water, extreme temperatures, and constant vibration. The combination of premium materials and precision engineering ensures consistent spark delivery and reliable engine operation.

Products specifications

Type

Spark Plug Wires

Great

Easy

Thanks

I found the experience very satisfactory. I did find the website a little difficult to navigate and search to find items especially when looking for particular items in different sizes/quantities.

Great price and great service

All good

Best prices I've found. Shipping was fast never had any issues bought multiple things from them and do plan on going back.

Bought an adjustable proportioning valve. Autoplicity was the cheepest source by several dollars. Haven't got it yet, but I did get an e-mail with-in 24 hours that stated that it had been shipped. As long as I get what I've ordered I would say that they are worth giving a shot.

Had the best pricing for the item I wanted and customer service was excellent. Called about shipping and were responsive and quick to get me the details. Will buy from them again.

fast shipment and was exactly what i had ordered

Great company to order from! Low prices, wide variety of merchandise, and quick shipping!

Great so far.

Easy on-line order..

Fast / Easy Straightforward

Very easy. It wasn't my first order and it won't be my last for sure.

Stump simple checkout.

I couldn't find these ARP studs anywhere else for this price! $20 less than ANYWHERE! Definitely coming back to shop at Autoplicity.

Best price available on the web. Fast shipping!

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