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Seastar Solutions 4009912 Ball Knob Red - Replacement Control Knob

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

4009912
06/01/2036 8:26 PM
Sale Price

$16.84

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Seastar Solutions 4009912 Ball Knob in red is a replacement control knob designed for marine throttle and shift controls. This durable knob features a universal 3/8-24 threaded insert that fits most marine control handles with standard threading.

Key Features:

  • Bright red ball knob design for easy visibility and grip
  • Universal 3/8-24 thread fits most marine control handles
  • Durable construction for marine environments
  • Direct replacement for worn or damaged control knobs
  • Compatible with Seastar Solutions and most other brand controls

This replacement knob provides a fresh, ergonomic grip for your marine control system, making throttle and shift operations smooth and comfortable. The vibrant red color makes it easy to identify and adds a pop of color to your helm station.

Ordering was very easy, and the part shipped right away. Will use autoplicity again without a doubt.

cheapest price out there cheap ship

Easy site

Very easy way to order

sweet deal

Quick checkout easy fast

ORDER PROCESS WAS EASY, HOPEFULLY PART WILL ARRIVE OVERNIGHT AS IT WAS PAID FOR.

Get a 4 star for the ordering process. Not enough product information on the site but when I called they were very friendly and informative.

Wow, first time I ordered and they hit a homerun with me!! Shipped same day I ordered AND was the cheapest option I had including shipping. I'll be back. Thanks for the great service!!

great price, great stock

quick

Easy, would use again! Thanks, Fast Shipping!

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