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SeaStar Solutions HS5154 Hydraulic Steering Cylinder Seal Kit 125 Series EM MV BJ ATM

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

HS5154
07/11/2036 3:46 AM
Sale Price

$53.84

In Stock (5)

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Usually delivered within 2 days

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Product Details

The SeaStar Solutions HS5154 is an OEM replacement hydraulic steering cylinder seal kit designed for the 125 Series inboard and stern drive hydraulic steering cylinders. This kit provides all the necessary seals to restore proper function and prevent fluid leaks in worn or aging cylinder assemblies, making it an essential maintenance item for boats equipped with SeaStar hydraulic steering systems.

Compatible Cylinders:

  • HC5303 (BA125-3ATM)
  • HC5312 (BA125-7ATM)
  • HC5328 (125-8EMV Stern)
  • HC5329 (125-8VPEM Stern)
  • HC5330 (BA125-8EMV Stern)
  • HC5331
  • HC5335 (BA125-8ATM)
  • HC5338 (125-8EM)
  • HC5380 (Splashwell Mount Cylinder)

Key Features:

  • OEM SeaStar Solutions replacement seal kit
  • Designed for 125 Series EM, MV, BJ, and ATM cylinder configurations
  • Suitable for single and multiple drive setups and dual-station installations
  • Restores hydraulic integrity and eliminates cylinder fluid leaks
  • Backed by a 2-Year Limited Warranty from SeaStar Solutions (Dometic)

UPC: 731957806246

Keeping your SeaStar hydraulic steering cylinder properly sealed ensures reliable, responsive steering performance. The HS5154 seal kit is the correct OEM solution for servicing all compatible 125 Series cylinder variants.

Both thumbs up on product and delivery.

Product install was a pain and parts didn't fit together properly, but the experience from autoplicity was great

easy

easy

Nice job all around

Overall experience was ok. Got my items at a very great price. Cheapest I found online BUT the shipping was a slight nightmare. Had to call multiple times and items finally got to me but other than I am pleased. I ordered a few days before black Friday/cyber Monday deals so that could've been the problem too. In the end I got what I wanted at the best price!

Love the product and it arrived quickly. Everything was great except the shipping - which I know you can't help. The box was badly damaged when it arrived and I was nervous that I would have to return it. Thankfully the product was undamaged. The instructions and keys were halfway hanging outside of the shipping box and could have very easily been lost. Not sure how to remedy reckless delivery personnel.

Thank you.

great so far , happy to have found what I was looking for

So far so good! Nice and easy....

Great!

20% off shipping free shipping ???????????

The order was shipped quickly and 100% accurate. I recommend Autoplicity for your needs.

Good price

Quick and easy. Website was easy to navigate via cell phone and checkout was fast and painless. Took over a day to get a shipping notification though. Would have been nice to had it for the weekend

Best prices I could find!

Very easy

Great variety of products offered. Quick shipping.

Pretty simple. Nice

Excellent customer service. Treated me very well. Issued a refund, no problem. Thank you!!

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