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Sierra 18-5808 Starter Solenoid for Mercury and OMC Marine Engines

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

118-5808
06/02/2036 8:49 PM
Sale Price

$23.28

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 18-5808 is a heavy-duty starter solenoid designed specifically for marine applications. This rugged solenoid switch is engineered to withstand the harsh marine environment, featuring corrosion-resistant construction that stands up to saltwater exposure and meets or exceeds original equipment manufacturer quality standards.

Key Features:

  • Marine-grade construction designed to resist saltwater corrosion
  • Compatible with Mercury, Mercury/Mariner, Johnson/Evinrude, and OMC marine engines
  • Reliable electrical switching for starting systems
  • Meets or exceeds OEM specifications for quality and performance
  • Direct replacement for multiple OEM part numbers

OEM Cross-Reference: This solenoid replaces Mercury/Mariner 47886, 47886T; OMC 395419, 582708, 586180, 383622; Arco SW622; GLM 72430; and Mallory 9-15104.

Sierra Marine is a market leader in aftermarket marine engine parts, offering comprehensive coverage for every major engine brand with an unsurpassed customer satisfaction warranty.

The part I needed was in stock at a fair price and delivery was free. Item delivered in perfect condition in a few days.

Good price and simple transaction. Fast shipping and good communication.

Found what I needed.

Everything was fine

Very good price, excellent delivery time and easy website to navigate.

Its simple did have a problem the first go round tried a little later will have new Toyo tires in 2 days Thank you

New, OEM parts at a great price. Received in only a few days, too!

So far so good.

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