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Seastar Solutions HO5035 Tiller Arm Adapter Kit for Mercury Outboards

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

HO5035
07/12/2036 5:22 AM
Sale Price

$145.21

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Product Details

The Seastar Solutions HO5035 Tiller Arm Adapter Kit is designed specifically for Mercury outboard engines from 1989 to present. This essential adapter plate enables proper installation and connection of hydraulic steering components to Mercury tiller arm outboards.

Key Features:

  • Engine adapter plate engineered for single Mercury outboard applications
  • Compatible with Mercury outboards from 1989 model year to current
  • Includes extension bar and adapter plate for twin engine configurations
  • Precision-manufactured for reliable hydraulic steering conversion
  • Complete kit with all necessary mounting hardware

This adapter kit is an essential component when installing SeaStar hydraulic steering systems on Mercury tiller-equipped outboards, providing a secure and reliable connection between the steering cylinder and the engine's tiller arm mechanism.

Product shipped in 3 days, but customer service did not know when I contacted on the 4th day. Received shipping confirmation on 5th day. Otherwise, smooth transaction, product arrived well packaged and fit perfectly. Great price.

Everything is so easy. In Minutes.

Very good

Best price I could find on the net and super fast shipping.

Order 18232. Everything came quicker than expected! Packed well and in excellent condition. Definitely recommended. Already did to one of my friends looking for parts.

Great

Fast and easy

good price and everything i needed this is the second email ive recieved to rate my order, i dont know what happened but hoping it was a mix up

Same day shipping. 20 Dollars cheaper than everywhere else!

Autoplicity leads the way ! Others take a lesson !! Great prices and excellent service !!!

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