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Sierra 118-5816 Starter Solenoid with Flat Bracket for Mercury MerCruiser

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

118-5816
06/01/2036 5:54 AM
Sale Price

$20.26

2 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 118-5816 is a heavy-duty starter solenoid designed specifically for marine applications. This rugged solenoid is engineered to withstand the harsh conditions of the marine environment, featuring corrosion-resistant construction that meets or exceeds original equipment quality standards.

Key Features:

  • Flat mounting bracket design for proper starter installation
  • Robust coil and contact assembly with high-temperature housing to resist distortion
  • Molded-in studs for precise electrical contact
  • Saltwater and corrosion-resistant construction for long-lasting durability
  • Fits Mercury outboard In-Line 6 and MerCruiser stern drive and inboard engines
  • Backed by Sierra's comprehensive warranty

Replaces OEM Part Numbers: Mercury/Mariner 89-96054, 89-96054T, 89-91975, 89-850189T; MerCruiser 89-96054B; Arco SW054; Mallory 9-15113; GLM 72390

This solenoid converts electrical energy into mechanical work, engaging the starter motor when the ignition key is turned. Sierra Marine solenoids are manufactured to meet or exceed OEM specifications for fit and function, ensuring reliable starting performance season after season.

Great customer service!

had to email to ensure the correct product , quick reply , tks

Hard to find part at a very reasonable price, along with an easy checkout service.

All good...

Pretty smooth transaction, arrived on time.

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