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Attwood Marine 99027 Ribbed Internal Bearing Cup for Millennium Series Seat Slides

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 Fixed Mount Pedestals 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

99027
09/12/2036 5:30 AM
Sale Price

$21.64

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Attwood Marine (Garelick) 99027 Ribbed Internal Bearing Cup is a precision replacement component designed for use with Garelick Millennium Series seat slides. Constructed from durable Delrin, this internal bearing cup delivers smooth, reliable rotation and positive locking performance for marine seating systems.

Key Features:

  • Full 360° rotation for complete directional flexibility
  • Delrin construction for long-lasting durability and corrosion resistance in marine environments
  • Engages in 10-degree increments for precise positive lock when tightening
  • Twist-control drag allows user-selected drag during rotation
  • Dual quick-lock handles with lever-actuated positive lock that engages immediately
  • Compatible with 2-7/8" diameter fluted stanchion pedestal seat bases
  • Meets ABYC-H31 Type A seating standards

This bearing cup is a direct-fit replacement for use with Garelick seat slide models 20000, 20001, 21000, 21001, 99025, and 99026. It restores smooth swivel action and secure locking to worn or damaged seat slide assemblies, making it an essential maintenance part for any boat equipped with the Garelick Millennium Series seating system.

Tank arrived on time and undamaged.

everything fine but took longer than expected

I haven't used it yet, waiting for other items to arrive.

Your online system would not allow me to put my Alaska address for billing, even though the order was to be shipped to Texas. I sent repeated emails requesting a phone call and no one would call me or provide me a number to call.

all good

Shipped and delivered quickly.

Outstanding

Quick and easy. I can&amp;#039;t tell if the tire is New or how much gas life is on it of the tire is used. Pictures make it look like the tire does not have much, if any, wear.

Very easy.

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