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Sea-Dog Line 331290-3 Stainless Steel Slotted Ventilator 5 Louver Marine Vent

Manufacturer

Sea-Dog Line

<h3>About Sea-Dog Line</h3><p>Few names in the marine industry carry as much history as <strong>Sea-Dog Line</strong>. Founded in 1923 and headquartered in Everett, Washington, Sea-Dog has spent over a century engineering and supplying dependable hardware for boaters, riggers, and marine professionals. Whether you are outfitting a small fishing boat or a serious offshore vessel, Sea-Dog's expansive catalog — spanning more than 2,400 products — is built around one principle: hardware that holds up when it matters most.</p><h3>A Century of Marine Innovation</h3><p>Sea-Dog Line began as a focused marine rigging and hardware supplier, and over the decades grew into one of the most comprehensive sources for anchoring, docking, boarding, and boat-management equipment in the industry. Their product line has expanded to include antenna accessories, trailer hardware, boat hooks, cabinet and hatch fittings, chain and rigging components, and a wide range of electrical accessories — all engineered to withstand the corrosive, high-stress environment of the marine world.</p><p>What sets Sea-Dog apart is a commitment to manufacturing quality that boat owners can rely on season after season. Their hardware is designed for real-world marine use, meaning saltwater resistance, UV stability, and structural durability are never afterthoughts.</p><h3>Marine Visibility & Windshield Systems</h3><p>One of Sea-Dog's highest-demand product areas is their line of <a href="/7549-sea-dog-line-windshield-washers-wipers-replacement-motors-201195">Windshield Washers, Wipers &amp; Replacement Motors</a>. Maintaining clear visibility on the water is a safety-critical function, and Sea-Dog supplies a broad assortment of wiper blades, washer systems, and complete replacement assemblies designed to fit a wide variety of marine windshield configurations. For boaters who need a direct drive solution, Sea-Dog's dedicated <a href="/7549-sea-dog-line-windshield-wiper-motor-8824">Windshield Wiper Motors</a> offer reliable performance in wet, high-vibration marine environments — a category where component quality directly affects on-water safety.</p><h3>Cockpit Comfort & Functionality</h3><p>Beyond hardware and visibility systems, Sea-Dog also brings practical innovation to the helm and cockpit with their <a href="/7549-sea-dog-line-cockpit-fillet-tables-200274">Cockpit &amp; Fillet Tables</a>. These tables are designed to maximize usable space aboard, whether you are prepping a catch, serving guests, or simply organizing gear. Sea-Dog's tables reflect the same build philosophy as all their hardware: functional, durable, and thoughtfully designed for the marine setting.</p><h3>Why Boaters Trust Sea-Dog Line</h3><ul style="list-style:disc"><li>Over 100 years of marine hardware expertise dating back to 1923</li><li>Headquarters in Everett, Washington, with a deep understanding of Pacific Northwest and offshore boating demands</li><li>A catalog of more than 2,400 products spanning virtually every marine hardware category</li><li>Products engineered for saltwater, UV exposure, and the vibration of on-water use</li><li>Trusted by recreational boaters, commercial operators, and marine riggers alike</li></ul><p>From rigging essentials to cockpit accessories and windshield systems, Sea-Dog Line remains one of the most complete and dependable marine hardware brands available today. Explore their full product range and find the right Sea-Dog components for your vessel.</p>

Part Number

331290-3
09/16/2036 7:12 AM
Sale Price

$42.54

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Product Details

The Sea-Dog Line 331290-3 is a stamped 316 stainless steel louvered ventilator designed for marine applications requiring reliable air intake and exhaust. This narrow slotted vent features five louvers and is engineered to provide effective ventilation while keeping unwanted elements out.

Key Features:

  • Constructed of corrosion-resistant stamped 316 stainless steel for maximum durability in harsh marine environments
  • Five-louver design provides optimal airflow for cabin and compartment ventilation
  • Cutout size: 3-5/8" x 12" for straightforward installation
  • Overall dimensions: 4-1/2" W x 12-7/8" L with 7/8" protrusion
  • Vent area: 11.65 square inches for efficient air circulation
  • Mounts with six #6 or #8 fasteners (not included)
  • Compatible with Sea-Dog ABS Collector Boxes (part numbers 331293-331298) for ducted air management

This ventilator is ideal for engine compartments, cabins, galleys, and storage areas where passive ventilation is needed. The slotted louver design prevents water intrusion while maintaining consistent airflow, making it a reliable choice for sailboats, powerboats, and other marine vessels.

I hope you do fast shipping! Thanks!! will leave pos feedback!

fast and easy

fast and easy-good prices

Great

Easy site to navigate and shop/

Found what I needed fast

Great prices, fast delivery, great costumer service. Thanks.

Great way to shop but, I found another web site selling the items I purchased from you (Redline 2 stroke oil) for quite a bit less and I wil be doing business with them next time. The shipping is free with the other website.

overall good.

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