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

Manufacturer

Seastar Solutions

<h3>SeaStar Solutions: The Gold Standard in Marine Steering &amp; Control</h3><p><strong>SeaStar Solutions</strong>, formerly known as Teleflex Marine, has spent decades earning its reputation as the foremost authority in marine steering and control systems. Headquartered in Litchfield, Illinois, the brand has built a legacy on precision engineering, durable construction, and products that perform reliably in the demanding saltwater environment boaters face every day.</p><p>From weekend anglers piloting small outboard skiffs to captains navigating large offshore vessels, SeaStar Solutions designs its products for the full spectrum of boating applications. Whether the engine is an outboard, inboard, or sterndrive, SeaStar components are engineered to deliver smooth, immediate response between helm and engine — the kind of confidence-inspiring control that matters most when conditions get challenging.</p><h3>A Legacy of Marine Innovation</h3><p>SeaStar Solutions has pioneered several milestones in recreational boating technology, including the first tilt steering system for recreational boats, CANBUS-based steer-by-wire control, and push/pull control cables that set a new benchmark for reliability. These innovations reflect a company that doesn&apos;t just keep pace with the industry — it drives it forward.</p><p>Today, SeaStar&apos;s product catalog spans hundreds of components, all engineered to work together as an integrated system. Boaters trust SeaStar not just for original installations, but for the long-term support of genuine replacement parts that maintain factory-level performance over the life of the vessel.</p><h3>Core Product Categories</h3><p>SeaStar Solutions&apos; depth is best understood through the essential categories it serves. <a href="/7554-seastar-solutions-steering-parts-accessories-201013">Steering Parts &amp; Accessories</a> represent the heart of the lineup — from helm pumps and cylinders to bearings and mounting hardware, every component is purpose-built for precise, fatigue-free control at the wheel. For boaters maintaining or refreshing an existing system, Replacement Cables are a critical touchpoint: SeaStar&apos;s cables are corrosion-resistant, rated for harsh marine conditions, and available in a wide range of lengths and configurations to fit virtually any application.</p><p>For those seeking the ultimate in smooth, effort-free handling, Hydraulic Steering systems are where SeaStar truly shines. Hydraulic setups eliminate the mechanical feedback and effort associated with cable steering, making them the preferred choice for higher-horsepower engines and larger boats. Rounding out the ecosystem, <a href="/7554-seastar-solutions-control-boxes-parts-200286">Control Boxes &amp; Parts</a> deliver the throttle and shift precision that complements any SeaStar steering setup — built to the same standards of durability and fit that define the brand.</p><h3>Why Boaters Choose SeaStar</h3><p>What distinguishes SeaStar Solutions from generic alternatives is the system-level thinking behind every product. Components are designed to work together, tolerances are tight, and materials are selected specifically to resist corrosion, UV exposure, and the constant vibration of marine use. For anyone who spends real time on the water, a steering system is not a place to compromise — and SeaStar Solutions is the brand that serious boaters turn to when reliability is non-negotiable.</p>

Part Number

HC5358-3
09/14/2036 8:23 PM
Sale Price

$850.07

In Stock (10+)

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

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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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