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Sea-Dog Line 420360-1 3-Position Polypropylene Ignition Switch

Manufacturer

Sea-Dog Line

<h3>About Sea-Dog Line</h3><p>Few names in the marine hardware world carry the same weight as <strong>Sea-Dog Line</strong>. Rooted in the early 1920s and headquartered in Everett, Washington, the company traces its origins to a uniquely inventive sales strategy: its founder, Hans &ldquo;Action&rdquo; Broson Sneve, showcased marine hardware by sailing his wares up and down the Pacific Coast aboard the M.V. Sea-Dog &mdash; a 55-foot cruiser that became the brand&rsquo;s namesake. That spirit of hands-on, on-the-water ingenuity has defined Sea-Dog ever since.</p><p>Today, Sea-Dog Line operates as the Sea-Dog Corporation, a third-generation family business that has expanded from a regional Pacific Coast distributor into a nationally recognized supplier of marine, industrial, and rigging hardware. The company serves everyone from professional shipbuilders to weekend boaters, earning repeat recognition from the National Marine Distributors Association for its supply chain standards and product quality.</p><h3>What Sea-Dog Line Makes</h3><p>Sea-Dog&rsquo;s catalog is remarkably broad. At its core, the brand specializes in providing hardware that must hold up in some of the harshest environments on earth &mdash; saltwater, UV radiation, temperature swings, and constant vibration. To meet those demands, Sea-Dog builds its products from marine-grade materials including 304 and 316 stainless steel, investment-cast bronze, chrome-plated brass, and UV-resistant injection-molded polymers.</p><p>The product lineup spans anchoring and docking hardware, deck fittings, cabin and hatch hardware, chain and rigging components, electrical panels, lighting, plumbing fittings, ventilation equipment, boat hooks, rod holders, and much more. Whether you&rsquo;re outfitting a new build or replacing a worn component, Sea-Dog likely has the part you need.</p><p>Among Sea-Dog&rsquo;s most well-regarded marine electrical and windshield products is their comprehensive lineup of <a href="/7549-sea-dog-line-windshield-wiper-motor-8824">Windshield Wiper Motors</a>. Engineered specifically for the marine environment, these motors feature corrosion-resistant aluminum and stainless steel construction, adjustable sweep angles, and a &ldquo;coast-to-park&rdquo; function that automatically returns the blade to its set position when power is cut &mdash; exactly the kind of thoughtful design detail that sets Sea-Dog apart from generic alternatives.</p><h3>Why Boaters Trust Sea-Dog Line</h3><p>Sea-Dog&rsquo;s longevity in the marine hardware market is no accident. The brand has built its reputation on producing components that align with ABYC (American Boat and Yacht Council) standards, giving boat builders and DIY installers confidence that each part meets recognized safety benchmarks. Products are designed for both recreational and commercial applications, meaning whether you&rsquo;re a weekend angler or a working captain, Sea-Dog hardware is built for your level of use.</p><p>With over a century in the marine industry, an ever-expanding product catalog, and a family-run culture that keeps quality at the forefront, Sea-Dog Line remains one of the most trusted names on the water. Browse the full Sea-Dog lineup to find the right hardware for your vessel.</p>

Part Number

420360-1
09/12/2036 5:47 AM
Sale Price

$16.77

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 Sea-Dog Line 420360-1 is a heavy-duty 3-position ignition and starter switch designed for marine applications. Constructed from durable polypropylene, this ignition switch resists corrosion and withstands harsh marine environments.

Key Features:

  • 3-position functionality: Off-Ignition-Start
  • Durable polypropylene construction for corrosion resistance
  • 3 screw terminals for secure electrical connections
  • 13/16" diameter shaft
  • Long shaft design accommodates panels up to 1-1/8" thick
  • Sold without boot for custom installations

This ignition switch is ideal for boats, marine equipment, and other applications requiring reliable ignition control. The polypropylene housing provides excellent durability while maintaining lightweight construction. The long shaft design ensures compatibility with various panel thicknesses, making installation versatile and straightforward.

Products specifications

Boot

No

Panel

1-1/8" Max

Terminals

3 Screw

5 Star.

I love your variety

seems great so far exactly what I ordered for a SBF 427 price was great

Easy to work with and shipped in three days for my order no. 5770

Easy checkout. Thanks.

Very good!

Great Prices and fast, fast shipping. I will definitely do business with them again.

Everything went smoothly

Great

1st time customer. Hope to use again.

Nice website, easy to use.

By far the most inexpensive price in the web by over 30%! I will continue to do business with this supplier without looking elsewhere. They are a true delight!

These guys are awesome. I placed my order and shipped out asap. Live inventory is amazing. All the parts I needed were in stock and shipped to me.

Quick n easy

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