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 TT5131 kit includes a 2.25" stroke with a 10" Optimus adaptive actuator and controller, featuring 9" x 12" standard tabs. It’s suited for outboard boats between 16 and 25 feet, ensuring precise control and stability. The actuator length is 25 cm, and the tabs are 22 x 30 cm.
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$ 3,306.77
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1-2 weeks delivery time The SeaStar TT5133 kit features a 2.25" stroke with a 10" Optimus adaptive actuator and controller, along with 12" x 12" standard tabs. This system is ideal for boats ranging from 17 to 30 feet, providing excellent stability and control. The actuator has a length of 25 cm, and the tabs are 30 x 30 cm.
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$ 3,394.63
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1-2 weeks delivery time The SeaStar TT5205 kit features a 2.25" stroke with an 11.5" Optimus adaptive actuator and controller, paired with 12" x 12" edge mount tabs. It is designed for outboard motors, offering optimal performance for boats between 17 and 30 feet. The actuator is 29 cm long, and the tabs measure 30 x 30 cm.
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$ 3,450.60
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1-2 weeks delivery time The SeaStar TT5207 kit offers a 2.25" stroke with an 11.5" Optimus adaptive actuator and controller, featuring 12" x 9" edge mount tabs. This system is designed for boats between 16 and 25 feet, ensuring effective control. The actuator length is 29 cm, and the tabs are 30 x 22 cm.
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$ 3,402.64
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1-2 weeks delivery time The SeaStar TT5231 kit includes a 2.25" stroke, optimus adaptive actuator, and 12"x12" edge mount tabs. It is designed for boats between 17 and 30 feet, providing high-performance control for optimal steering.
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$ 3,490.61
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1-2 weeks delivery time The SeaStar TT5233 kit is designed with a 2.25" stroke and comes with a 10" Optimus adaptive actuator and controller, paired with 12" x 9" edge mount tabs. It's perfect for boats between 16 and 25 feet, delivering high performance for outboard systems. The actuator is 25 cm long, and the tabs are 30 x 22 cm.
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$ 3,442.59
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1-2 weeks delivery time The SeaStar TT5601 kit includes a 2.25" optimus adaptive actuator, controller, and harness. Without tabs, it offers increased flexibility, making it suitable for different outboard systems.
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$ 2,703.10
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1-2 weeks delivery time The SeaStar TT5701 kit features 4.25" optimus adaptive actuators and a controller with a harness, but no tabs. This setup is designed for outboard motors and offers flexibility for customized installations. The actuator length is 33 cm, and the system does not include tabs.
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$ 2,854.95
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1-2 weeks delivery time The SeaStar XPA1012 is a power assist steering unit that significantly reduces steering effort, offering a car-like experience for single-engine, mechanically steered outboard boats, with easy plug-and-play installation.
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$ 3,933.14
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1-2 weeks delivery time The Seastar/Baystar Helm Jam Nut is a self-locking nut that ensures a tight and reliable fit for all SeaStar helms, making it essential for secure steering system installations.
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$ 0.67
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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.