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 HC5379 Capilano hydraulic steering cylinder is robustly built with heavy-duty brass, bronze mounts, and chrome-plated stainless steel rod, suited for demanding marine steering needs. It supports dual rudders and includes bleed fittings for efficient hydraulic control.
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$ 2,736.32
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1-2 weeks delivery time The SeaStar HC5380-3 Splashwell Mount Hydraulic Marine Cylinder is a light-duty hydraulic solution for marine steering. It’s ideal for transom or hull mounting and supports counter-rotating applications with up to 600 HP and speeds up to 60 mph.
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$ 1,000.78
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1-2 weeks delivery time The SeaStar HC6845 Tournament Series Front Mount Hydraulic Cylinder is designed for demanding applications with multi-engine setups. It offers exceptional corrosion resistance and durability, making it ideal for harsh marine environments.
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$ 2,049.54
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1-2 weeks delivery time The SeaStar HF4202 is a horizontal bleeder tee fitting kit specifically for BayStar cylinders with “H” suffixes and 1/8" NPT ports, crucial for air bleeding and ensuring responsive steering.
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$ 101.19
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1-2 weeks delivery time The SeaStar HF4203 is a bleeder tee kit designed for BayStar cylinders with #4 ORB fittings and a “-3” suffix. It improves installation and serviceability by eliminating the need for thread sealant and is not compatible with SeaStar systems.
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$ 162.13
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1-2 weeks delivery time The SeaStar HF5508 Cylinder Hose Kit is designed to connect 3/8 inch copper tubing, including two 18" hoses, adapter fittings, and compression nuts. Ideal for marine applications requiring secure and reliable connections, this kit provides a durable solution for linking copper tubing to your steering system.
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$ 204.81
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1-2 weeks delivery time The SeaStar HF5512 Bulkhead Fitting Kit is for single cylinder systems, featuring a shorter 3/4" length for 3/8" tubing, and includes two fittings for installation.
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$ 210.12
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1-2 weeks delivery time The SeaStar HF5513 Bulkhead Fitting Kit is designed for single cylinder hydraulic systems with 3/8" tubing and a 3" length, including two fittings for secure bulkhead installation.
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$ 224.36
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1-2 weeks delivery time The SeaStar HF5514 Bulkhead Fitting Kit is intended for twin cylinder hydraulic systems, with 3/4" length fittings suitable for 3/8" tubing to ensure reliable bulkhead connections.
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$ 397.69
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1-2 weeks delivery time The SeaStar HF5515 Bulkhead Fitting Kit suits twin cylinder systems, fitting 3/8" tubing with a 3" length to provide secure hydraulic line pass-throughs.
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$ 464.53
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1-2 weeks delivery time The SeaStar HF5516 Bulkhead Hose Fitting is a marine component designed for use with nylon pipes (HT5101/HT4420) and the BayStar deluxe pipe set (HO5799), ensuring a secure and efficient connection in your marine system.
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$ 83.17
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1-2 weeks delivery time The SeaStar HF5518 Bleeder Tee is designed for 3/8" tube applications with a 3/8" NPT thread, including two bleed nipples per kit for efficient hydraulic system maintenance and optimal space management.
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$ 202.48
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1-2 weeks delivery time The SeaStar HF5519 Bleeder Tee Assembly is designed for TM cylinders with a 3/8" tube. It includes a 3/4" UNF and 45° flare for secure connections, with two kits per pack for complete installation coverage.
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$ 172.57
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1-2 weeks delivery time The SeaStar HF5520 Bleeder Tee is for horizontal installations with a 3/8" tube and 1/4" NPT connection. Each pack includes two bleed nipples, ideal for effective air removal and system maintenance in hydraulic steering systems.
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$ 172.57
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1-2 weeks delivery time The SeaStar HF5521 Bleeder Tee is a vertical assembly for 3/8" tube applications with a 1/4" NPT connection. The kit includes two bleed nipples and is ideal for tight spaces, ensuring effective air bleeding in hydraulic systems.
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$ 166.34
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1-2 weeks delivery time The SeaStar HF5524 is a kit containing three cap plug nuts designed for use with control tubes measuring 3/8" in diameter, providing a reliable solution for securing tubing connections.
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$ 51.14
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1-2 weeks delivery time The SeaStar HF5526 Tube Nut Kit includes six high-quality tube nuts, each designed with a 3/8" tube size and comes with a cutting ring for secure installation.
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$ 47.31
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1-2 weeks delivery time The SeaStar HF5527 union coupling fitting kit includes three fittings designed for 2x 3/8" tubes, ensuring a secure connection for marine systems and providing long-lasting reliability.
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$ 41.14
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1-2 weeks delivery time The SeaStar HF5528 includes three straight fittings suitable for 3/8" tubes and 1/4" NPT systems, offering a dependable solution for boat control setups.
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$ 50.18
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1-2 weeks delivery time The SeaStar HF5529 elbow fitting is a high-quality component designed for hydraulic marine systems. It features 3/8" tube and 1/4" NPT threading and comes in a set of three fittings for easy installation and maintenance.
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$ 83.17
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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.