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Sea-Dog Line 420366-1 3-Position Ignition Switch with Boot

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

420366-1
09/12/2036 7:42 AM
Sale Price

$17.34

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 420366-1 is a heavy-duty 3-position ignition/starter switch designed for marine applications. Constructed from durable polypropylene with corrosion-resistant materials, this ignition switch is built to withstand harsh marine environments.

Key Features:

  • 3-position operation: Off, Ignition, and Start functions
  • Durable polypropylene construction for corrosion resistance
  • 3 screw terminals for reliable electrical connections
  • 13/16 inch shaft diameter for standard panel mounting
  • Short shaft design fits panels up to 5/8 inch thick
  • Includes protective boot to seal out moisture and debris
  • Suitable for boats, marine engines, and other marine electrical systems

This ignition switch provides reliable engine starting control with a standard off-ignition-start sequence. The included boot helps protect the back of the switch from water intrusion, making it ideal for wet marine environments. Easy to install with standard panel mounting and screw terminal connections.

Products specifications

Boot

Yes

Panel

5/8" Max

Terminals

3 Screw

Easy and Quick. Great Experience!

Good quality

Fast shipping, and quality parts!

Quick and easy

no

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Lowest prices around and ausome customer service will deal with you guys in the future!!

quick, easy, good price

Perfect so far!

Quick and easy. Price was great also

price is cheap. site is easy enough to use. I wish shipping is included.

Great.fast

Very good, I love the site and how easy it is to check out

Good so far

Did a very good job at keeping me updated and letting me know when my product was being shipped. Only took a day to get out from the manufacturer. Very happy with the results. I will be back.

Good

I have had a very good experience with Autoplicity and will look for more parts here. I called Customer Service and they were very good and accurate with me. It was easy, they were very nice, immediate response, and great price.

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