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SeaSense 50031153 Ignition Starter Switch with Weatherproof Cap for Mercury Engines

Manufacturer

SeaSense

<h3>About SeaSense</h3><p>Since 1984, <strong>SeaSense</strong> has been one of the marine industry's most trusted names, delivering a broad lineup of reliable, affordable accessories to both weekend boaters and seasoned mariners alike. Headquartered in Urbandale, Iowa, SeaSense has spent decades rigorously developing and refining its product line — from deck hardware and cordage to safety gear, lighting, and trailer accessories — to meet the real-world demands of life on the water.</p><p>What sets SeaSense apart is its commitment to thoughtful product design. The brand pays close attention to how boaters actually interact with their gear, then engineers solutions that simplify the experience. The result is a catalog of over 700 products backed by distinctive, easy-to-navigate packaging and clear instructions that make installation and use straightforward for do-it-yourselfers and professionals alike. SeaSense has built strong relationships with more than 2,000 wholesale customers, a testament to the trust the brand has earned across the industry.</p><h3>A Complete Marine Accessories Lineup</h3><p>SeaSense covers nearly every corner of the boat, from the hull to the transom. Boaters looking to safely re-board after a swim will find purpose-built solutions in the SeaSense <a href="/200179-boarding-ladders-seasense-13414">Boarding Ladders</a> lineup, which features durable, portable designs suited to a wide variety of vessel types. For paddlers and canoeists, the brand offers a thoughtfully curated selection of <a href="/13414-seasense-paddles-200759">Paddles</a> as well as dedicated <a href="/13414-seasense-kayak-paddles-200598">Kayak Paddles</a> — both categories reflecting SeaSense's deep roots in kayak and paddle sports gear.</p><p>Below deck, SeaSense's <a href="/13414-seasense-plumbing-parts-accessories-200786">Plumbing Parts &amp; Accessories</a> keep onboard water systems running smoothly, offering components like thru-hull fittings, bilge switches, and drain plugs engineered for corrosion resistance in harsh marine environments. Rounding out their safety essentials, the SeaSense <a href="/13414-seasense-manual-bilge-pumps-200649">Manual Bilge Pumps</a> line provides a dependable, no-power-required solution for quickly evacuating water from kayaks, canoes, small powerboats, or any space where water accumulates.</p><h3>Why Boaters Trust SeaSense</h3><p>SeaSense products are designed to meet or exceed industry standards, with submersible bilge pumps, for example, certified to meet ABYC specifications. The brand's focus on affordability without sacrificing quality means boaters get reliable performance across every product category. Whether you're outfitting a fishing skiff, a recreational kayak, or a weekend cruiser, SeaSense offers the marine hardware and accessories to keep your time on the water safe, comfortable, and hassle-free.</p>

Part Number

50031153
09/12/2036 11:07 AM
Sale Price

$27.54

In Stock (10+)

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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 SeaSense 50031153 is a heavy-duty marine ignition starter switch designed specifically for Mercury outboard engines with screw-type mounting. This essential marine electrical component provides reliable engine starting control in harsh saltwater and freshwater environments.

Key Features:

  • Three-position operation: OFF, IGNITION, and START positions for complete engine control
  • Six screw terminals for versatile wiring configurations
  • 12V DC electrical system with 10-amp rating for reliable power handling
  • Weatherproof protective cap shields connections from moisture, salt spray, and corrosion
  • Includes two keys for security and convenience
  • Mercury-compatible screw mounting design for direct replacement applications

This ignition switch is ideal for replacing worn or corroded switches on boats equipped with Mercury outboards. The weatherproof construction ensures long-lasting performance in marine conditions, while the generous terminal layout simplifies installation and maintenance.

Excellent prices and easy product locators..

First time purchasing from autoplicity

I received the part quickly, it was properly protected from shipping damage, and it fit. It has been in service for three days and is working well.

For the size of the part the shipping is very high.

I shoped all over the internet , the price ad presentation of the item on Autoplicity sight was second to none ,several emails from them kept me posted about the shipment , it arrived on time and was as described.I will be going bck for all my future needs.Thanks , Kenny Anet , Dallas TX.

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