Hynautic Steering/Control Accessories
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About Hynautic
Hynautic is one of the most respected names in marine hydraulic steering, with a legacy spanning decades of use on everything from weekend recreational boats to heavy-duty commercial vessels. A renowned name in marine hydraulic steering and engine control systems, Hynautic has been trusted by boaters for decades. Originally an independent manufacturer, Hynautic was acquired by Teleflex, now part of SeaStar Solutions, ensuring continued innovation and support for its robust product line.
Hynautic's systems are known for their reliability, precision, and adaptability, making them a top choice for vessels of all sizes — from recreational boats to commercial fleets. Whether you're piloting a sport cruiser or a working inboard, Hynautic brings a level of engineering refinement that translates directly into confident, responsive helm control.
Hydraulic Steering — The Hynautic Approach
At the core of the Hynautic lineup are its hydraulic steering systems, engineered to deliver smooth, low-effort steering even on larger or heavier vessels. Hynautic's core offerings include manual and power-assisted steering systems engineered for smooth and responsive helm control, using hydraulic fluid, cylinders, and robust fittings to deliver consistent performance in demanding marine environments.
SeaStar offers rugged 3-line Hynautic Heavy Duty steering systems for most work and pleasure vessels up to 70 feet, combining one or two bi-directional axial piston pumps with pilot check and make-up check valving — a design that prevents rudder feedback and remains efficient even at low RPM.
The breadth of the Hynautic steering systems and parts catalog reflects this engineering depth. A wide choice of helm displacements and cylinder configurations make it easy to specify a system that can handle a variety of large-boat performance requirements and accommodate most user preferences.
Steering Parts, Accessories & Controls
Beyond complete systems, Hynautic offers a comprehensive range of steering parts and accessories designed for installation, replacement, and long-term maintenance. Hynautic supplies nylon tubing and specialized fittings, critical for both older and newer steering installations. These components are particularly valuable for boaters maintaining legacy systems, as many original Hynautic part numbers remain available through authorized dealers.
For vessel operators who demand precise multi-station command, Hynautic's steering and control accessories round out the system. Hynautic hydraulic engine controls offer the boat owner a very positive, smooth, synchronized method of relaying remote commands from multiple stations to the engine's throttle and transmission linkages, with separate left and right sending units usable as either shift or throttle controls.
Marine-Grade Durability & Compatibility
Hynautic systems are suitable for most marine engines and hydraulic transmissions, supporting boats up to 100 feet in length. All components are built with marine-grade materials, ensuring resilience against the corrosion, vibration, and exposure inherent in on-water use. Regular inspection of tubing, fittings, and hydraulic fluid levels is essential for optimal performance and longevity — and Hynautic's parts ecosystem makes it straightforward to keep any system in top condition.
Whether you're building a new installation or sourcing replacement components for a time-tested Hynautic setup, this lineup offers the depth and quality that serious boaters rely on.