Seastar Hydraulic Steering is a marine steering system that uses a helm pump, hydraulic hoses, and a steering cylinder to transfer steering input smoothly to an outboard or inboard engine. Designed for boating safety and critical control, it supports front or rear mount configurations, tilt helms, and pro-level setups, delivering reliable, sealed hydraulic performance for a wide range of boats operating at sea.
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1-2 weeks delivery time The SeaStar SS14729 is a complete no-feedback rotary steering system designed for smooth and safe boat control. It includes a 29-foot (8.84m) steering cable, a SeaStar 'NFB' 4.2 Rotary Helm, and a 90° bezel for easy installation. The system offers precise steering with 4.2 turns from lock to lock and supports a maximum wheel diameter of 200mm.
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$ 507.99
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1-2 weeks delivery time The SeaStar SS14730 features a 30-foot (9.15m) cable and the same no-feedback steering technology for improved boat handling. It includes the SeaStar 'NFB' 4.2 Rotary Helm, a 90° bezel, and provides 4.2 turns from lock to lock, with a maximum wheel diameter of 200mm.
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$ 515.27
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1-2 weeks delivery time The SeaStar SS15106 is a compact 6-foot (1.83m) NFB rotary steering system, perfect for smaller vessels or tight spaces. Despite its shorter cable, it offers smooth, precise steering with a 3.5-turn lock-to-lock range. The system includes a Seastar 90° Bezel, Seastar Steering Cable SSC134 6' (1.83m), and a Seastar Steering Helm Rack 'NFB'. It’s a great choice for small boat setups needing reliable control.
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$ 552.07
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1-2 weeks delivery time The SeaStar SS15107 is a 7-foot (2.13m) NFB rotary steering system ideal for boats requiring a short cable length. With a 3.5-turn lock-to-lock range, the system includes a Seastar 90° Bezel, Seastar Steering Cable SSC134 7' (2.13m), and a Seastar Steering Helm Rack 'NFB'. This system offers effortless steering control in compact setups.
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$ 555.81
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1-2 weeks delivery time The SeaStar SS15108 is an 8-foot (2.44m) NFB rotary steering system that provides smooth, responsive steering with a 3.5-turn lock-to-lock range. It includes a Seastar 90° Bezel, Seastar Steering Cable SSC134 8' (2.44m), and a Seastar Steering Helm Rack 'NFB'. Ideal for boats needing a little extra length for their steering system.
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$ 559.54
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1-2 weeks delivery time The SeaStar SS15109 is a 9-foot (2.74m) NFB rotary steering system that ensures smooth, precise control with a 3.5-turn lock-to-lock range. This system includes a Seastar 90° Bezel, Seastar Steering Cable SSC134 9' (2.74m), and a Seastar Steering Helm Rack 'NFB'. It's perfect for boats requiring slightly more reach while maintaining efficient steering performance.
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$ 563.31
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1-2 weeks delivery time The SeaStar SS15110 is designed for larger boats requiring a 10-foot (3.05m) cable. It offers a no-feedback steering experience with the SeaStar 'NFB' 4.2 Rotary Helm and a 90° bezel. The system has 3.5 turns from lock to lock, with a 200mm maximum wheel diameter.
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$ 567.03
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1-2 weeks delivery time The SeaStar SS15111 is ideal for larger or more demanding vessels, featuring an 11-foot (3.35m) cable and the SeaStar 'NFB' 4.2 Rotary Helm. The system offers 3.5 turns from lock to lock and supports a 200mm wheel diameter, providing reliable and smooth control.
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$ 570.78
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1-2 weeks delivery time The SeaStar SS15112 is a longer 12-foot (3.66m) steering system offering no-feedback technology for boats requiring greater control over extended distances. It includes the SeaStar 'NFB' 4.2 Rotary Helm and a 90° bezel, with 3.5 turns from lock to lock and a 200mm maximum wheel diameter.
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$ 574.53
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1-2 weeks delivery time The SeaStar SS15113 provides a 13-foot (3.96m) cable, offering extended reach for boats requiring additional maneuverability. The system includes the SeaStar 'NFB' 4.2 Rotary Helm, a 90° bezel, and offers 3.5 turns from lock to lock with a 200mm wheel diameter.
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$ 578.30
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1-2 weeks delivery time The SeaStar SS15114 is ideal for larger boats requiring a 14-foot (4.27m) cable. It offers smooth, no-feedback steering with the SeaStar 'NFB' 4.2 Rotary Helm and a 90° bezel. The system provides 3.5 turns from lock to lock and supports a 200mm maximum wheel diameter.
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$ 582.05
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1-2 weeks delivery time The SeaStar SS15115 is designed for boats that require a 15-foot (4.57m) cable, providing no-feedback steering for smoother, more controlled maneuvers. The system includes the SeaStar 'NFB' 4.2 Rotary Helm, a 90° bezel, and offers 3.5 turns from lock to lock with a 200mm wheel diameter.
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$ 585.77
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1-2 weeks delivery time The SeaStar SS15116 features an 18-foot (5.49m) cable, providing extended reach for boats with moderate steering requirements. It includes the SeaStar 'NFB' 4.2 Rotary Helm, a 90° bezel, and offers 3.5 turns from lock to lock, with a 200mm maximum wheel diameter.
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$ 589.51
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1-2 weeks delivery time The SeaStar SS15117 provides a 17-foot (5.18m) cable for boats requiring extra control and extended reach. This system offers no-feedback steering with the SeaStar 'NFB' 4.2 Rotary Helm and a 90° bezel, featuring 3.5 turns from lock to lock and supporting a 200mm maximum wheel diameter.
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$ 593.28
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1-2 weeks delivery time The SeaStar SS15118 is a reliable steering system with an 18-foot (5.49m) cable, offering smooth, no-feedback steering for boats requiring longer control distances. It includes the SeaStar 'NFB' 4.2 Rotary Helm, a 90° bezel, and offers 3.5 turns from lock to lock with a 200mm wheel diameter.
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$ 597
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1-2 weeks delivery time The SeaStar SS15119 is a 19-foot (5.79m) No-Feedback (NFB) rotary steering system designed for larger boats. This system offers smooth, reliable control with a 3.5-turn lock-to-lock range, and includes a Seastar 90° Bezel, Seastar Steering Cable SSC134 19' (5.79m), and a Seastar Steering Helm Rack 'NFB'. It is ideal for vessels needing a longer cable for optimal steering performance.
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$ 600.75
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1-2 weeks delivery time The SeaStar SS15120 is a 20-foot (6.10m) NFB rotary steering system that provides precise control for larger boats or extended setups. With the same 3.5-turn lock-to-lock range, this system comes with a Seastar 90° Bezel, Seastar Steering Cable SSC134 20' (6.10m), and a Seastar Steering Helm Rack 'NFB'. It’s a great option for those seeking longer reach for smooth, responsive steering.
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$ 604.52
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1-2 weeks delivery time The SeaStar SS15121 is a 21-foot (6.40m) NFB rotary steering system that offers a no-feedback mechanism for larger vessels. The system includes a Seastar 90° Bezel, Seastar Steering Cable SSC134 21' (6.41m), and a Seastar Steering Helm Rack 'NFB'. It ensures superior maneuverability for boats requiring more cable length.
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$ 608.25
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1-2 weeks delivery time The SeaStar SS15122 is a 22-foot (6.71m) NFB rotary steering system ideal for larger boats. Offering a 3.5-turn lock-to-lock range, it includes a Seastar 90° Bezel, Seastar Steering Cable SSC134 22' (6.71m), and a Seastar Steering Helm Rack 'NFB'. This system is designed for extended applications where smooth control is paramount.
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$ 611.99
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1-2 weeks delivery time The SeaStar SS15123 is a 23-foot (7.01m) NFB rotary steering system, perfect for large boats with demanding steering needs. It provides a 3.5-turn lock-to-lock range and includes the Seastar 90° Bezel, Seastar Steering Cable SSC134 23' (7.02m), and the Seastar Steering Helm Rack 'NFB'. This system is ideal for users seeking ultimate control and extended reach.
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$ 615.74
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How does a Seastar Hydraulic Steering system transmit steering input to a boat’s engine?
A hydraulic steering system transmits steering input through a steering kit where helm rotation pressurizes fluid that flows via a valve to the steering cylinder. In front mount or pro rear mount configurations, the cylinder converts this pressure into smooth engine movement, while seals and a seal kit ensure reliability according to system spec, supporting classic tilt, flush, and sport tilt helm designs.
How does a hydraulic cylinder translate steering input into engine movement on a boat?
A hydraulic cylinder translates steering input into engine movement by using pressurized fluid to push or pull the cylinder rod in response to helm rotation. Matched to the system ratio such as 1.7, this product delivers smooth, proportional force that turns the engine accurately, ensuring controlled and predictable steering on a boat.
How does a steering kit integrate the pump, hoses, and valve into one system?
A steering kit integrates the pump, hoses, and valve by forming a closed hydraulic loop that transfers steering input smoothly from the helm to the engine. Designed for pro front mount and sport configurations, the system ensures balanced fluid flow and precise response at sea, supporting advanced solutions such as optimus e-actuator concepts and sport plus performance standards demonstrated in technical video documentation.