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Arco Starting & Charging SW054 Solenoid for Mercruiser and Mercury Marine

Manufacturer

Arco Starting & Charging

<h3>ARCO Starting &amp; Charging: The Marine Industry&apos;s Gold Standard</h3><p>When a boater turns the key and nothing happens miles from the dock, the name they wish they had trusted is <strong>ARCO Marine</strong>. For more than six decades, ARCO Starting &amp; Charging has been the benchmark for dependable marine engine electrical components — building and testing every unit at their facility in Pensacola, Florida to ensure each part meets or exceeds original equipment manufacturer (OEM) specifications before it ever reaches a customer.</p><p>Founded in 1960, ARCO set out with a straightforward mission: deliver peace of mind to boat owners and marine technicians through products they can rely on. That philosophy hasn&apos;t changed. Every component ARCO manufactures — from outboard <a href="/7236-arco-starting-charging-starter-motor-4152">starter motors</a> to high-output alternators — is rigorously load-tested beyond normal operating conditions. It&apos;s the kind of commitment that has made ARCO the trusted choice of professional marine service technicians and weekend boaters alike for generations.</p><h3>Purpose-Built for the Harshest Marine Environments</h3><p>Saltwater, humidity, and vibration are relentless adversaries for any electrical component. ARCO engineers their products specifically for these conditions. Their <a href="/7236-arco-starting-charging-tilttrim-motors-201071">tilt/trim motors</a> and <a href="/7236-arco-starting-charging-trim-and-tilt-units-201108">trim and tilt units</a> are designed to perform reliably through years of saltwater exposure, while their <a href="/7236-arco-starting-charging-alternators-200087">alternators</a> — including the advanced Zeus High Output Alternator line — are purpose-built to charge modern battery banks faster and handle the electrical demands of today&apos;s feature-rich vessels. ARCO makes OEM replacement parts compatible with leading engine manufacturers including Mercury, Yamaha, Volvo Penta, MerCruiser, Honda, Evinrude, Suzuki, and many others, making cross-referencing straightforward for technicians and DIYers alike.</p><h3>Innovation with the Zeus High Energy Platform</h3><p>ARCO&apos;s Zeus line represents the brand&apos;s push into next-generation marine charging technology. Zeus High Output Alternators and Bluetooth-enabled voltage regulators are engineered for multi-voltage compatibility and rated IP68 for protection against water intrusion — a critical specification in marine applications. The Zeus ecosystem is purpose-built to support lithium battery banks, high-draw accessories, and demanding live-aboard or commercial use cases where consistent power output is non-negotiable.</p><h3>OEM Quality, Factory Warranty, American-Made</h3><p>ARCO backs their entire rotating electric parts lineup — including their <a href="/7236-arco-starting-charging-starters-inboard-201008">inboard starters</a> — with the ARCO Assurance warranty program, offering coverage against defects in materials and workmanship. Manufacturing, quality testing, warehousing, and fulfillment all take place in the United States, giving buyers confidence in consistent quality control from start to finish. For anyone maintaining a vessel and unwilling to compromise on reliability, ARCO Starting &amp; Charging remains the definitive choice in marine engine electrical components.</p>

Part Number

SW054
09/12/2036 6:20 AM
Sale Price

$20.17

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Arco Starting & Charging SW054 is a heavy-duty marine solenoid designed specifically for Mercruiser and Mercury Marine applications. This replacement solenoid provides reliable starting system performance for inboard and sterndrive engines.

Key Features:

  • Isolated base design for enhanced electrical safety and mounting versatility
  • 12-volt system compatible
  • Direct replacement for multiple Mercury OEM part numbers
  • Heavy-duty construction for marine environment durability
  • Continuous duty rated for reliable operation

Replaces OEM Part Numbers:

  • Mercury 89-850189
  • Mercury 89-850189T
  • Mercury 89-91975
  • Mercury 89-96054
  • Mercury 89-96054T

This solenoid is engineered to meet or exceed OEM specifications, providing dependable starting power for your Mercury or Mercruiser engine. The isolated base design allows for flexible mounting configurations while preventing electrical shorts.

Products specifications

Replaces

89-96054T

Smooth transaction

Smooth transaction & fast delivery. Thanks

Exactly the part I needed, easy order, prompt delivery. I will order again when I need any parts.

excellent price point, fast service. look forward to dealing with you again.

good

Item received as promised, high quality, and as advertised in product description.

Super fast shipping!

Quick, easy - had the part - could checkout through Amazon.

Very good prices in comparison to others

Great so far.

Easy to navigate and fast checkout. Product was perfect, all springs spec'd out on the money, thanks. A+++++++++++++++++++

hope works out

Very easy and website was quick to let me know if a part would or would not fit my car - very helpful.

Your site looks professionally constructed and has an easy to understand interface.

Order 18232. Everything came quicker than expected! Packed well and in excellent condition. Definitely recommended. Already did to one of my friends looking for parts.

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Item as described. Fast Shipping! Will buy from again!!

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