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 P5518 Steering System offers precise steering and long-lasting durability for boats needing reliable performance. With a control length of 5.49m (18'), it comes with all the necessary components, including a bracket, helm, mounting kit, cable, and Riviera steering wheel.
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$ 942.60
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1-2 weeks delivery time The SeaStar P5519 Steering System is designed for boats requiring smooth and precise steering. The 5.79m (19') cable length ensures an all-in-one solution for enhanced control, and the system includes a bracket, helm, mounting kit, cable, and a Riviera steering wheel.
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$ 946.47
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1-2 weeks delivery time The SeaStar P5520 Steering System is perfect for boats requiring longer cable lengths and dependable control. At 6.10m (20'), this system provides excellent performance and is easy to install, making it ideal for light-duty applications with a Riviera steering wheel included.
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$ 950.33
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1-2 weeks delivery time The SeaStar PA1200-2 Power Assist SPA system is designed to enhance steering ease and comfort for marine applications, making it ideal for 150HP+ single outboards, heavy 4-stroke outboards, twin/triple outboards, and inboards with heavy rudder torque. Its key features include reduced wheel effort, easy installation as an add-on to existing SeaStar systems, and compatibility with both 12V and 24V systems. The system also works seamlessly with marine autopilots and comes with a 15' wiring harness and a 2-year warranty.
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$ 3,666.22
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1-2 weeks delivery time The SeaStar PA6010 is a 12V power assist system combined with an autopilot pump. It reduces steering torque in manual hydraulic systems and ensures smoother operation, offering easy installation for outboard and inboard boats.
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$ 4,765.28
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1-2 weeks delivery time The SeaStar PA6020 combines a power assist and autopilot pump in one system. Designed for boats with larger steering cylinders, it reduces steering effort and provides smooth operation, ensuring ease of use even under heavy loads.
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$ 5,257.95
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1-2 weeks delivery time The SeaStar PA7010 is a 24V power assist and autopilot pump system designed to reduce steering effort and provide smoother handling under heavy loads. It’s compatible with both outboard and inboard boats, providing versatility for a variety of steering systems.
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$ 5,375.42
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1-2 weeks delivery time The SeaStar PA7020 is a 24V power assist system combined with an autopilot pump. It’s designed to reduce steering torque in manual hydraulic systems, providing easy steering even under heavy loads, ideal for both outboard and inboard boats.
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$ 5,375.42
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1-2 weeks delivery time The SeaStar PT1000-2P Pro Trim Switch is a single-function switch that offers precise control over your boat’s trim system. It integrates smoothly into existing systems and ensures reliable performance, making it a vital tool for accurate and easy trim adjustments.
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$ 204.97
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1-2 weeks delivery time The SeaStar PT2000-2P is a dual-function control trim bezel switch that allows users to control trim and tilt functions while keeping hands on the wheel, designed with a slip-free lever and textured finish for enhanced convenience and safety.
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$ 376.55
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1-2 weeks delivery time The SeaStar PTK5010 is a Pro-Tap trim harness with NMEA 2000 compatibility, ensuring smooth connectivity for jackplate installations, making it perfect for modern marine systems.
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$ 259.01
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1-2 weeks delivery time The SeaStar PTK5020 is a trim harness designed for Yamaha engines, featuring a 2-wire sender tailored for jackplate applications, ensuring reliable performance.
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$ 181.34
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1-2 weeks delivery time The SeaStar PTK5021 is a trim harness compatible with Yamaha engines, offering a 3-wire sender for optimal functionality in jackplate applications.
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$ 233.08
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1-2 weeks delivery time The SeaStar PTK5040 is a premium trim harness specifically designed for Mercury engines, offering seamless integration with the Smartcraft digital sender. It's an ideal solution for jackplate applications.
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$ 129.48
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1-2 weeks delivery time The SeaStar PTK5041 is a jackplate Protap harness engineered for Mercury Verado engines, providing a reliable connection for jackplate systems utilizing Protap technology.
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$ 155.38
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1-2 weeks delivery time The SeaStar Black Push Button is a durable and sleek control component for SeaStar systems, offering efficient operation and a sleek design for various boat controls.
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$ 8.57
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1-2 weeks delivery time The SeaStar Red Push Button is a reliable control interface designed for the B80/S series, offering easy and quick activation of various features with a red color for clear identification.
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$ 2.19
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1-2 weeks delivery time The SeaStar SA27017 is an inboard stringer support mounting that delivers secure, reliable support for vessel steering systems with durable construction and precision engineering.
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$ 223.55
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1-2 weeks delivery time The SeaStar SA27245 Hitch Pin is made for use with Compac-T, light duty, and quick-connect helms, serving as a secure fastening part for these helm systems.
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$ 14.64
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1-2 weeks delivery time The SeaStar SA27252 is a universal tie bar kit made of durable stainless steel (S/S) with a maximum length of 648mm, providing versatility and strength for connecting steering systems on your boat.
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$ 853.17
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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.