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Seastar Solutions HC5358-3 Front Mount Hydraulic Outboard Steering Cylinder for Yamaha

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

HC5358-3
05/27/2036 5:18 PM
Sale Price

$827.84

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Seastar Solutions HC5358-3 Front Mount Hydraulic Outboard Steering Cylinder offers excellent resistance to repeated compression set and is designed to better withstand the harsh marine environment. Specifically designed for Yamaha applications where it is necessary to mount the steering cylinder underneath the steering arm, this cylinder represents a significant upgrade over previous models with improved styling, enhanced durability, and advanced sealing technology.

Key Features:

  • 8-hole end gland design for improved serviceability
  • Adjustable stainless steel O-ring seal (ORB) fittings for easy hose routing and superior leak resistance
  • Independent engine tilt for twin/triple engine installations
  • State of the art proprietary seal material with excellent resistance to compression set
  • Updated styling with robust barrel construction
  • Compatible with SeaStar Power Assist Pump (PA1200-2) for automotive-feel steering control
  • Meets ABYC and NMMA certification standards

Technical Specifications:

  • 8-inch stroke (203mm)
  • 0.75-inch nominal shaft diameter (19.0mm)
  • 1.375-inch bore diameter (35mm)
  • 8.34 cubic inch fluid volume (136.6cc)
  • Overall dimensions approximately 21-3/4 inches wide, 4-7/8 inches deep, 2-5/8 inches high

What's Included:

  • Ground strap wire (829300) for salt water applications
  • Spacer kit (828016)

The HC5358-3 Steering Cylinder is ideal for outboard powered boats like center console, offshore fishing, bass boats, and flats boats. Suitable for single engines up to 350 HP/75 MPH, dual engines up to 600 combined HP/55 MPH, and triple engines (with one counter-rotating) up to 900 combined HP/55 MPH. No adapter plates required—the cylinder bolts directly to virtually any Yamaha outboard engine. Replaces Teleflex HC5358 with improved ORB fittings.

SeaStar products are backed by a two-year recreational user warranty against manufacturing defects. Designed and manufactured in North America for demanding marine environments.

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Excellent deal!!! I was not able to find a better price anywhere. Fast shipping & just what I wanted.

fine so far

Ordered on a Friday and they had it shipped by Monday and will be at my door step by Wednesday. Prices are amazing I will have to buy from them again.

So far so good quick easy order I only hope the shipping is as good as the website.

Best total price on what i was looking for.

Good prices and shipping costs.<br>They use FedEx (Yea!)<br>I'm not overjoyed w/partial shipments.

great price very happy will buy from again excellant price

I was genuinely impressed with their price for my item and truly happy with the speed of their shipping. I'll definately look forward to buying from Autoplicity in the future!

Cheapest I could find ANYWHERE. Fast shipping. I will definately use them again.

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