My Account
Shopping Cart

Attwood Marine 66542-3 Stainless Steel Thru-Hull Fitting 1 Inch Short

Manufacturer

Attwood Marine

<h3>About Attwood Marine</h3><p><strong>Attwood Marine</strong> has been a cornerstone of the boating world for well over a century. <a href="/7239-attwood-marine">Founded in 1893</a>, the company began by manufacturing precision underwater hardware and on-deck fittings — rudders, struts, cleats, and lights — and quickly earned a reputation for fine engineering and enduring quality. After World War I, the brand's craftsmanship was so well regarded that legendary boatbuilder Chris-Craft turned to Attwood for brass fittings on their iconic pleasure boats.</p><p>Today, Attwood operates as part of the Navico Group by Brunswick, a global family of industry-leading marine companies, yet it has never lost the boater-first focus that built its name. What distinguishes Attwood from many competitors is their end-to-end philosophy: they design, manufacture, test, and distribute their own products rather than simply sourcing components from third parties. Every item in the Attwood catalog is rigorously tested to meet or exceed U.S. Coast Guard (USCG), American Boat and Yacht Council (ABYC), and CE standards — giving boaters and OEM manufacturers alike the confidence to rely on Attwood gear season after season.</p><h3>A Complete Marine Accessories Ecosystem</h3><p>Attwood's catalog spans an impressively broad range of marine needs. On the comfort and ergonomics side, their <a href="/7239-attwood-marine-seat-pedestal-packages-200926">Seat &amp; Pedestal Packages</a> deliver complete, ready-to-install seating system solutions backed by decades of engineering refinement. For boaters who prefer to build or customize their setup, Attwood's <a href="/200999-pedestals-fixed-mount-attwood-marine-7239">Fixed Mount Pedestals</a> provide a sturdy, reliable foundation engineered for lasting stability on the water.</p><p>When it comes to protecting your hull at the dock, Attwood's <a href="/7239-attwood-marine-fenders-200396">Fenders</a> offer dependable, marine-grade cushioning against docks, pilings, and other vessels — an often-overlooked but essential piece of gear for every boat owner. Getting on and off the boat safely is equally important, and Attwood's <a href="/200179-boarding-ladders-attwood-marine-7239">Boarding Ladders</a> are designed with heavy-duty construction, rated hardware, and user-friendly features to make every entry and exit as secure as possible.</p><p>Beyond these categories, Attwood is also widely recognized for its bilge and aerator pumps, navigation lighting, fuel systems, rod holders, and trailering accessories — making the brand a true one-stop resource for outfitting or refreshing virtually any powerboat, fishing boat, or recreational vessel.</p><h3>Why Boaters Choose Attwood</h3><ul style="list-style:disc"><li><strong>100+ Years of Proven Experience</strong> — A heritage of quality engineering stretching back to 1893.</li><li><strong>Multi-Standard Compliance</strong> — Products tested to USCG, ABYC, and CE standards for safety and performance.</li><li><strong>OEM-Trusted</strong> — A leading supplier to major boat manufacturers across a wide range of product categories.</li><li><strong>Corrosion-Resistant Materials</strong> — Extensive use of 304 and 316 stainless steel, chrome-plated zinc, and marine-grade synthetics built for harsh saltwater environments.</li><li><strong>In-House Engineering</strong> — Advanced prototyping, simulation, and real-world testing ensure reliability before any product reaches the water.</li></ul>

Part Number

66542-3
09/22/2036 8:26 AM
Sale Price

$26.02

3 left at this price

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Attwood Marine 66542-3 is a premium thru-hull fitting designed for above-waterline marine applications. Cast from high-grade 316 stainless steel, this fitting provides superior corrosion resistance in harsh marine environments.

Key Features:

  • Cast from durable 316 stainless steel for maximum corrosion resistance
  • 1-inch hose connection in short length configuration
  • Integrated channel under flange designed to hold a bead of marine sealant for watertight installation
  • Features wrench flats or end notch for easy installation and removal
  • Designed specifically for installation above the waterline only

This thru-hull fitting is ideal for livewell systems, aerators, washdown pumps, and other above-waterline marine plumbing applications. The 316 stainless steel construction ensures long-lasting performance even in saltwater conditions, while the sealant channel helps create a secure, leak-free installation.

Products specifications

Flange

2-1/4"

Hose

1"

Hose Size

1" I.D.

Install Hole Saw Size

1-1/2"

Length

2-1/2"

Perfect

Wicked fast shipping! 3 days from California to Key West, Florida! We are amazed by this super fast service. Part is brand new and fits perfectly! Will use you again and HIGHLY recommend you!

Easy to order. Good prices on shipping.

So far process has been very easy.

Like the Amazon order option

Web site very easy to use!

OUTSTANDING ALL THE WAY ARROUND. Super prices (2/3 of the price of your lowest competitor). Shipping cost was 25% of what others wanted. Recieved 5 days from order date. I will shop here again and will recomend to others.

Took a little longer to ship out the item than expected. But other than that, great prices. Great checkout process. Will deal with again if I find something else that I want to buy for my G35.<br>Thanks! (order #: 9261)

Autoplicity was easy to use, low price and received the product very quickly. It arrived in excellent condition and was as described. I would buy from them again.

Great prices and fast delivery.

Prompt order processing and shipping, the item I received came in good condition and I am eager to get it installed on my car. Over the phone customer support was prompt and polite, I would order from them again.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy