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Seastar Solutions HK4300-4 BayStar Compact Hydraulic Steering System Kit Without Hose

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

HK4300-4
09/12/2036 10:01 AM
Sale Price

$923.99

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Seastar Solutions HK4300-4 BayStar Hydraulic Steering Kit is a compact front mount hydraulic steering system designed for single, non-power assisted outboard engines up to 150 HP on fishing boats, bay boats, and family runabouts. This complete kit pairs the HH4314-4 BayStar 1.4 cubic inch helm with the HC4645-3 front mount outboard cylinder for smooth, reliable steering performance.

Key Features:

  • Updated -4 version features redesigned valve technology, more durable check valves, and refined internal layout
  • 5 turns lock-to-lock with 1.4 cu. in. displacement helm for precise control
  • Patented No FeedBack (NFB) lock valves for enhanced safety
  • Standard 3/4 inch tapered keyed steering shaft with 5/8-18UNF threaded end
  • Meets ABYC standards and NMMA certification requirements
  • Requires 3 inch (76mm) dashboard cutout and minimum 21 inch (534mm) splashwell width

What's Included:

  • HH4314-4 BayStar helm pump
  • HC4645-3 compact front mount steering cylinder
  • Two quarts of HA5430H Dometic hydraulic steering fluid
  • HA5438 bottle filler kit for easy bleeding
  • Stainless steel O-ring seal (ORB) fittings
  • Detailed installation instructions

BayStar represents an excellent upgrade over mechanical cable steering for smaller outboards that cruise and run at moderate speeds. This system is designed for single helm, single outboard boats with a maximum speed of 55 mph and engines up to 150 HP. Note: Hydraulic hoses are sold separately to allow you to select the correct length for your specific installation.

Important: Do not use automotive power steering fluid or ATF - always use Dometic specified hydraulic steering fluid only. This kit replaces the previous HK4300A-3 model.

Everything went well with the exception I paid for 2 day shipping and received my package 4 days later, other than that all good.

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I had a great experience purchasing Power Stop brakes and rotors from THMotorsports. I got a great price and received exactly what I ordered in within 4 days. Great service !

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Hopefully these will be correct and I will have them in a few days.

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the website isn&#039;t loading correctly. I have ordered through here before with no issues. today i couldn&#039;t change my shipping option and it loaded the screen in text only. the price is still good, so its not a huge deal

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