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Sierra 18-8807-1 Premium Marine Spark Plug Wire Set

Manufacturer

Sierra

<p>For nearly six decades, Sierra has established itself as one of the marine industry's most trusted names in aftermarket engine and drive parts. Founded as a specialized marine parts manufacturer, Sierra has grown into a comprehensive supplier of replacement components, instrumentation, and accessories for both recreational and commercial boating applications. Operating from their 300,000-square-foot distribution center in Litchfield, Illinois, Sierra serves boat owners and marine technicians worldwide with an extensive catalog of parts engineered specifically for the harsh saltwater environment.</p><h3>Marine Engine Excellence</h3><p>Sierra's reputation was built on delivering precision-engineered internal engine components and drive system parts that meet or exceed OEM specifications. Their <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> provide critical sealing solutions for inboard and outboard motors, while their <a href="/7570-sierra-engine-complete-assembly-15341">engine complete assemblies</a> offer comprehensive replacement options for major overhauls. Each component undergoes rigorous testing to ensure reliability in demanding marine conditions, from corrosion resistance to temperature cycling performance.</p><h3>Instrumentation and Monitoring Systems</h3><p>Accurate instrumentation is essential for boat operators to monitor engine health and prevent costly breakdowns on the water. Sierra's comprehensive line of <a href="/7570-sierra-gauges-200483">gauges</a> includes everything from fuel pressure and temperature indicators to voltmeters and trim gauges, all designed with marine-grade materials that withstand vibration, moisture, and UV exposure. Their <a href="/7570-sierra-tachometer-gauge-1488">tachometer gauges</a> deliver precise RPM readings critical for optimizing engine performance and fuel efficiency. Supporting these instruments, Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> ensure proper signal conditioning and accurate readings across various sensor types and engine configurations.</p><h3>Expanded Product Portfolio</h3><p>In 2022, Sierra significantly broadened its scope beyond traditional marine engine parts to encompass a wider range of boating accessories and even outdoor power equipment components. This strategic expansion brought established marine brands like Shields and Moeller under the Sierra umbrella, creating a one-stop resource for marine maintenance and replacement parts. The company now offers fuel systems, electrical components, battery charging solutions, and NMEA electronics alongside their traditional engine parts lineup.</p><h3>Quality Backed by Industry-Leading Warranties</h3><p>What sets Sierra apart in the crowded aftermarket marine parts market is their commitment to standing behind every component they manufacture. Their warranty coverage extends beyond simple part replacement—it includes shop labor, haul-out fees, towing charges, and related incidental costs should a warrantied part fail. This comprehensive protection reflects the company's confidence in their manufacturing processes and quality control standards. For boat owners facing repairs far from shore or mechanics working on customer vessels, this peace of mind is invaluable. Whether you're maintaining an outboard motor, rebuilding an inboard engine, or upgrading your boat's instrumentation, Sierra's decades of marine industry experience and commitment to quality make them a reliable choice for keeping your vessel running at peak performance.</p>

Part Number

18-8807-1
06/01/2036 9:20 AM
Sale Price

$44.79

In Stock (8)

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Usually delivered within 2 days

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Product Details

The Sierra 18-8807-1 Premium Marine Spark Plug Wire Set is engineered specifically for marine applications, delivering maximum performance and reliability in harsh saltwater environments. Designed for Thunderbolt-type ignition systems, this professional-grade wire set provides superior conductivity and long-lasting durability.

Key Features:

  • Kevlar® reinforced core provides exceptional durability and extended service life in demanding marine conditions
  • Magnetic suppression core manufactured to exact specifications for your specific application
  • Durable stainless steel wound conductor maximizes horsepower and optimizes engine performance
  • Premium silicone jacketing and boots deliver superior high-temperature protection and resistance to engine bay heat
  • Advanced RFI suppression technology protects sensitive marine electronics from interference
  • Corrosion-resistant stainless steel terminals at both spark plug and distributor connections ensure maximum conductivity
  • OE-style boots create a sealed barrier against heat, dirt, salt spray, and moisture intrusion
  • Compatible with Thunderbolt-type ignition systems

This premium wire set combines marine-grade materials with precision engineering to ensure reliable ignition performance, improved fuel efficiency, and smooth engine operation. The corrosion-resistant construction makes it ideal for saltwater applications where standard automotive wire sets would quickly fail.

Products specifications

Type

Spark Plug Wires

It was fast and easy thank you

Quick easy simple

Great product!

Did not receive any confirmation emails. However contacted them VIA chat and they provided me with information. Shipping is on the slower side.

Done

quick simple and the ability to check out through Amazon is a plus

Very easy

Fast and efficient

Best price I could find, free shipping and it showed up 2 days after ordering.

Autoplicity leads the way ! Others take a lesson !! Great prices and excellent service !!!

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