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 9610003178R is a 6-meter harness actuator power trim tab set, designed to provide higher durability and extended reach, optimizing boat performance across different water conditions.
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$ 123.85
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1-2 weeks delivery time The SeaStar 9610003179R is a 7.30-meter harness actuator power trim tab set designed for larger boats, ensuring optimal performance and enhanced control and efficiency for better maneuverability on the water.
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$ 145.17
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1-2 weeks delivery time The SeaStar 9610003180R is a 9-meter harness actuator power trim tab set, providing extended reach and powerful control to improve boat responsiveness, making it an ideal choice for larger boats.
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$ 166.50
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1-2 weeks delivery time The SeaStar A322 clevis is designed for cables with an M10 thread, making it ideal for marine and industrial applications. Made from stainless steel, it offers robust performance and easy installation.
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$ 4.42
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1-2 weeks delivery time The SeaStar A323 Dual Station Unit offers versatile control for either throttle or shift functions, providing marine operators with flexible and efficient control options.
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$ 26.87
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1-2 weeks delivery time The SeaStar A344 Balljoint/Quick Connector is designed for cables with M10 threads, ensuring a secure and efficient connection for your marine steering system. This component is essential for reliable performance and ease of installation.
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$ 34.13
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1-2 weeks delivery time The SeaStar A375 clevis is intended for bolt connections, built from durable materials to ensure long-lasting performance in harsh environments.
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$ 24.87
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1-2 weeks delivery time The SeaStar AP1219 is a 12V autopilot pump designed for reliable, quiet operation in marine environments. It’s compatible with a range of hydraulic steering systems, offering minimal vibration and a flow rate of 60 cubic inches per minute, ideal for both inboard and outboard applications.
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$ 1,364.55
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1-2 weeks delivery time The SeaStar AP1233 is a 12V autopilot pump with two flow rates: 60 and 110 cubic inches per minute. It’s designed to reduce noise and vibration and can be used in standalone applications or retrofitted to SeaStar P/A units for enhanced steering performance.
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$ 1,446.70
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1-2 weeks delivery time The SeaStar AP2419 is a versatile 24V autopilot pump offering two fixed flow rates and minimal noise. It can be used as a standalone pilot pump or retrofitted to a SeaStar P/A unit, making it suitable for a variety of hydraulic steering systems.
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$ 1,528.96
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1-2 weeks delivery time The SeaStar AP2433 is a dependable 24V autopilot pump that offers two fixed flow rates and operates with minimal vibration. It is designed for both inboard and outboard steering systems and can be used either as a stand-alone pilot pump or retrofitted to a SeaStar P/A unit.
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$ 1,627.59
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1-2 weeks delivery time The SeaStar AR4502 is a non-contact autopilot position sensor designed for SeaStar outboard front mount cylinders. It features easy installation, digital electronics immune to electromagnetic interference, and resistance to corrosion, dirt, oil, and SAE fluids. With a range of 8.0 inches and excellent durability, this sensor is ideal for marine environments.
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$ 776.10
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1-2 weeks delivery time The SeaStar AR4502RM is a non-contact autopilot position sensor designed specifically for Ray Marine autopilot systems. It offers easy installation with integrated electronics, is immune to electromagnetic interference, and provides long-lasting performance in harsh marine environments. With a range of 8.0 inches, it’s perfect for use with SeaStar outboard front mount cylinders.
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$ 776.10
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1-2 weeks delivery time The Dometic SeaStar AR4502SI is a non-contact autopilot position sensor designed for SeaStar outboard front mount cylinders (HC5345 and HC5358). It features no moving parts for greater reliability and longevity, corrosion-resistant potted electrical components, and a 35' cable. The sensor's digital electronics are immune to electromagnetic interference, and installation is simple with integrated electronics that eliminate the need for external black boxes.
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$ 776.10
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1-2 weeks delivery time The SeaStar ATT4103 kit is equipped with a 2.25" stroke and 11.5" adaptive actuator and controller, along with 9" x 12" standard tabs. It’s ideal for boats between 16 and 25 feet, delivering great performance. The actuator measures 29 cm, and the tabs are 22 x 30 cm.
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$ 3,470.61
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1-2 weeks delivery time The SeaStar ATT4105 kit features a 2.25" stroke and includes an 11.5" adaptive actuator and controller with 12" x 12" standard tabs. It’s designed for boats between 17 and 30 feet, offering enhanced stability and performance. The actuator has a length of 29 cm, and the tabs are 30 x 30 cm.
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$ 3,542.53
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1-2 weeks delivery time The SeaStar ATT4131 kit comes with a 2.25" stroke, adaptive actuator, controller, and 9"x12" standard tabs. Perfect for boats between 16 and 25 feet, it offers precise control for smooth navigation.
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$ 3,510.54
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1-2 weeks delivery time The SeaStar ATT4133 kit, featuring a 2.25" stroke and 10" standard tabs, delivers precise control for boats ranging from 17 to 30 feet. It ensures reliable performance for a variety of marine applications.
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$ 3,582.53
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1-2 weeks delivery time The SeaStar ATT4205 kit offers a 2.25" stroke and comes with an 11.5" adaptive actuator and controller, paired with 12" x 12" edge mount tabs. This system is ideal for boats ranging from 17 to 30 feet, providing exceptional control. The actuator is 29 cm long, and the tabs measure 30 x 30 cm.
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$ 3,638.46
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1-2 weeks delivery time The SeaStar ATT4207 kit comes with a 2.25" stroke and 11.5" adaptive actuator and controller, featuring 12" x 9" edge mount tabs. It’s perfect for boats between 16 and 25 feet, offering superior control. The actuator length is 29 cm, and the tabs are 30 x 22 cm.
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$ 3,590.51
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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.