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Seastar Solutions HA4641 BayStar Adapter Plate Conversion Kit

Manufacturer

Seastar Solutions

<h3>About Seastar Solutions</h3><p><strong>Seastar Solutions</strong> has been a cornerstone of the recreational marine industry for more than eight decades. <a href="/7554-seastar-solutions-seastar-solutions-hydraulic-steering-200917">Founded in 1943</a> and headquartered in Litchfield, Illinois, the company built its reputation under the Teleflex Marine name before rebranding to Seastar Solutions in February 2013. In 2017, it was acquired by the Dometic Group, further expanding its global reach while preserving the engineering heritage that boaters had come to rely on.</p><h3>A Legacy of Marine Innovation</h3><p>Seastar Solutions' story of innovation begins in 1962, when the company introduced the Big-T cable steering system — a revolutionary design that replaced the traditional rope-and-pulley mechanism with a helical cable, fundamentally changing how small boats are steered. In the decades that followed, the brand continued pushing the boundaries of marine engineering, introducing firsts like tilt steering for recreational boats, CANBUS steer-by-wire technology, and award-winning systems like the Optimus 360 Joystick Control System.</p><p>Today, Seastar Solutions products are sold worldwide under the SeaStar, BayStar, Sierra, Prime Line, and Proheat brands — each recognized for quality, reliability, and technical innovation. Whether you're outfitting a weekend fishing boat or a high-performance offshore vessel, Seastar Solutions offers a system engineered to match your needs.</p><h3>Hydraulic Steering: The Heart of the Lineup</h3><p>At the core of the Seastar Solutions catalog is its industry-leading line of <a href="/7554-seastar-solutions-seastar-solutions-hydraulic-steering-200917">hydraulic steering systems</a>. Covering outboard, inboard, and sterndrive applications, these systems — including the popular SeaStar Pro and BayStar series — are the benchmark for smooth, precise helm control. From hydraulic helm pumps and cylinders to hoses, fittings, and complete kits, Seastar Solutions provides everything needed to build or upgrade a fully capable steering system.</p><p>The brand's hydraulic systems are particularly valued for high-horsepower setups, where mechanical steering can become fatiguing and imprecise. By routing hydraulic fluid through a sealed system, these helms deliver consistent feedback and effortless control regardless of engine load — a key safety and comfort advantage for serious mariners.</p><h3>OEM Quality for Aftermarket Needs</h3><p>One of the most trusted aspects of the Seastar Solutions brand is its compatibility across generations of boats. Because the company carries forward the engineering legacy of Teleflex Marine, most legacy steering components integrate seamlessly with current Seastar parts. This makes Seastar Solutions a reliable choice not only for new builds but also for long-overdue upgrades or routine maintenance on existing vessels.</p><p>From control and throttle cables to installation hardware, cylinders, helms, and fluid maintenance kits, Seastar Solutions covers the full spectrum of marine steering and control needs — making it the go-to source for boaters who demand performance they can count on.</p>

Part Number

HA4641
07/12/2036 11:48 PM
Sale Price

$124.09

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Seastar Solutions HA4641 is a precision adapter plate kit designed to convert the standard BayStar HC4645 hydraulic steering cylinder into an HC4647 cylinder configuration. This conversion kit is specifically engineered for Honda outboard engines from 1998 and later, including 115-130 HP models that require the HC4647 cylinder mounting configuration.

Key Features:

  • Converts HC4645 compact cylinder to HC4647 Honda-specific configuration
  • Designed for Honda outboard engines 1998 and later models
  • Simple pivot plate adapter installation with included instructions
  • Requires basic hand tools (5/32" Allen wrench) for installation
  • Maintains full BayStar hydraulic steering performance and compatibility
  • Genuine Seastar Solutions OEM quality component

This adapter plate allows you to customize your existing BayStar hydraulic steering system to match specific Honda outboard mounting requirements without purchasing a complete new cylinder. The kit includes all necessary hardware and detailed installation instructions for a straightforward conversion process.

Great price, so far was an easy process in ordering the part I was looking for!!

product worked as expected and arrived in a reasonable time.

So far, so good. Time will tell...

Excellent selection of products. Very competitive pricing. Thank you!

Hard to navigate to certain items on your website

It's smaller than it should be but said it fit my year/make/model for my Jeep

Excellent.

no issues. good prices. The above was automatically input for me. However I don't feel as though its accurate. The part about no issues is correct buy the prices... Well the prices really weren't good. They were the best.

nice-easy

Found the item via Amazon, at a lower price than Amazom, and Paid via my Amazon account. Quick, easy, and less expensive. I shall return!

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I was asked if the product I was purchasing was needed by a specific date in order to complete a project on time. Autoplicity responded and had the product to me a day earlier than I asked for without additional cost to me. I will order from them again.

great prices

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After having trouble completing the payment process through Amazon, I was able to complete my payment information directly on the Autoplicty website and submit the order quickly. The process was easy and fast. They had the best overall price (item plus shipping) I could find on the net. The item was shipped promptly and arrived in great condition. A quality merchant all the way around.

amazing

Ordering it was easy. Delivery was completed on the 27th which seemed to take an awful long time to receive the part after ordering

Shipped ultra fast and had great prices!

Lowest price on the Internet. Fast shipping.

Great customer service and fast shipping. I highly recommend this company for auto parts.

Quick ordering, cheap prices, and an easy, excellent online shopping experience. Hence why I ordered again. Could work on shipping costs though.

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