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SeaStar Hydraulic Steering Kits, Parts & Seal Kits

(139 products)

  • SeaStar Marine Hydraulic Steering Fluid - Quart

    SEASTAR SOLUTIONS

    SeaStar Marine Hydraulic Steering Fluid - Quart

    (12)
    $34.62 $37.99
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  • Seastar - Tiller Bushing Kit - HA5820

    SEASTAR SOLUTIONS

    Seastar - Tiller Bushing Kit - HA5820

    $90.43 $101.19
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  • Seastar - Steering Wheel Locknut - HP6032

    SEASTAR SOLUTIONS

    Seastar - Steering Wheel Locknut - HP6032

    $19.10 $22.89
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  • Seastar - Basic Baystar Compact Cylinder - HC4645H

    SEASTAR SOLUTIONS

    Seastar - Basic Baystar Compact Cylinder - HC4645H

    $616.99
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  • SeaStar Marine Hydraulic Steering Fluid - Gallon

    SEASTAR SOLUTIONS

    SeaStar Marine Hydraulic Steering Fluid - Gallon

    $130.64 $155.59
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  • Seastar - Outboard Cylinders- HC5358

    SEASTAR SOLUTIONS

    Seastar - Outboard Cylinders- HC5358

    (1)
    $1,110.09
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  • Seastar - Front Mount Outboard Cylinder - HC5345

    SEASTAR SOLUTIONS

    Seastar - Front Mount Outboard Cylinder - HC5345

    $999.99
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  • Seastar - Class Tilt Helm - 1.7 cubic Inch - HH65413

    SEASTAR SOLUTIONS

    Seastar - Class Tilt Helm - 1.7 cubic Inch - HH65413

    $1,243.99
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  • Seastar - MTG.HARDWARE FOR O/B PIVOT PLA - HP6033

    SEASTAR SOLUTIONS

    Seastar - MTG.HARDWARE FOR O/B PIVOT PLA - HP6033

    $88.74 $100.39
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  • Seastar - NON-VENT PLUG - HA5432

    SEASTAR SOLUTIONS

    Seastar - NON-VENT PLUG - HA5432

    $22.91 $27.09
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  • Seastar - Front Mount Helm - 1.7 cubic Inch - HH5271-3

    SEASTAR SOLUTIONS

    Seastar - Front Mount Helm - 1.7 cubic Inch - HH5271-3

    $753.99
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  • Seastar - Bleed Nipple - HF5548

    SEASTAR SOLUTIONS

    Seastar - Bleed Nipple - HF5548

    $41.67 $45.49
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  • Seastar - Support Rod for Front Mount & Outboard Cylinders - HP6016

    SEASTAR SOLUTIONS

    Seastar - Support Rod for Front Mount & Outboard Cylinders - HP6016

    $150.62 $167.19
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  • Seastar - SUPPORT ROD KIT BAYSTR CYLINDR - HP6050
    Sold out

    SEASTAR SOLUTIONS

    Seastar - SUPPORT ROD KIT BAYSTR CYLINDR - HP6050

    $160.03 $165.09
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  • Seastar - SPACER KIT O/B CYLINDER - HP6036

    SEASTAR SOLUTIONS

    Seastar - SPACER KIT O/B CYLINDER - HP6036

    $61.67 $67.69
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  • Seastar - Power Purge Jr - HA54452

    SEASTAR SOLUTIONS

    Seastar - Power Purge Jr - HA54452

    $1,717.79
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  • SeaStar - Standard Outboard Hose Kit - 18' - HO5118

    SEASTAR SOLUTIONS

    SeaStar - Standard Outboard Hose Kit - 18' - HO5118

    $255.99
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  • SeaStar - Standard Outboard Hose Kit - 16' - HO5116

    SEASTAR SOLUTIONS

    SeaStar - Standard Outboard Hose Kit - 16' - HO5116

    $235.99
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  • Seastar - Nut Adjustment For Fnt Mnt Cyl - HP6034

    SEASTAR SOLUTIONS

    Seastar - Nut Adjustment For Fnt Mnt Cyl - HP6034

    $33.36 $35.69
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  • Seastar - Grounding Strap For O/b Cylinder - HA5477

    SEASTAR SOLUTIONS

    Seastar - Grounding Strap For O/b Cylinder - HA5477

    $35.74 $38.49
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  • Seastar - HC6845 Tournament Series Front Mount Outboard 8" Stroke 8.34 Cubic Inch Cylinder

    SEASTAR SOLUTIONS

    Seastar - HC6845 Tournament Series Front Mount Outboard 8" Stroke 8.34 Cubic Inch Cylinder

    (1)
    $1,425.49
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  • Seastar - 3 Steering Kit System w/ 1.7 Helm, Pivot Cylinder & Hydraulic Oil

    SEASTAR SOLUTIONS

    Seastar - 3 Steering Kit System w/ 1.7 Helm, Pivot Cylinder & Hydraulic Oil

    $1,471.99
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  • SeaStar - Standard Outboard Hose Kit - 2' - HO5102

    SEASTAR SOLUTIONS

    SeaStar - Standard Outboard Hose Kit - 2' - HO5102

    $193.79
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  • Seastar - Reversible Helm Mounting Wedge Kit - 20 Degree - HA5419

    SEASTAR SOLUTIONS

    Seastar - Reversible Helm Mounting Wedge Kit - 20 Degree - HA5419

    $149.60 $166.19
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  • Seastar - Class Tilt Helm - 2.4 cubic Inch - HH65423

    SEASTAR SOLUTIONS

    Seastar - Class Tilt Helm - 2.4 cubic Inch - HH65423

    $1,366.99
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  • Seastar - TUBE NUT F/3/8 NYLON & CP(6) - HF5526

    SEASTAR SOLUTIONS

    Seastar - TUBE NUT F/3/8 NYLON & CP(6) - HF5526

    $37.03 $42.39
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  • Seastar - Backplate Kit for Standard Helms - HA5418

    SEASTAR SOLUTIONS

    Seastar - Backplate Kit for Standard Helms - HA5418

    $75.00 $85.09
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  • Seastar - UNIV TIE BAR SINGLE CYLINDER - HO6001

    SEASTAR SOLUTIONS

    Seastar - UNIV TIE BAR SINGLE CYLINDER - HO6001

    $748.69
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  • SeaStar - Standard Outboard Hose Kit - 6' - HO5106

    SEASTAR SOLUTIONS

    SeaStar - Standard Outboard Hose Kit - 6' - HO5106

    (2)
    $193.79
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  • SeaStar - Older Style Helm Seal Kit - HS5151

    SEASTAR SOLUTIONS

    SeaStar - Older Style Helm Seal Kit - HS5151

    $86.83 $91.69
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  • Seastar - BayStar Front Mount Helm - 1.4 Cubic Inch - HH43143

    SEASTAR SOLUTIONS

    Seastar - BayStar Front Mount Helm - 1.4 Cubic Inch - HH43143

    $553.99
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  • Seastar - UNIV TIE BAR TWIN CYLINDER - HO6002

    SEASTAR SOLUTIONS

    Seastar - UNIV TIE BAR TWIN CYLINDER - HO6002

    $791.79
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  • SeaStar - Standard Outboard Hose Kit - 22' - HO5122

    SEASTAR SOLUTIONS

    SeaStar - Standard Outboard Hose Kit - 22' - HO5122

    $308.99
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  • SeaStar - Hydraulic Boat Steering Cylinder Seal Kit EM MV BJ ATM 125 Series - HS5154

    SEASTAR SOLUTIONS

    SeaStar - Hydraulic Boat Steering Cylinder Seal Kit EM MV BJ ATM 125 Series - HS5154

    $77.45 $82.29
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  • Seastar - Front Mount Helm - 2.4 cubic Inch - HH5272-3

    SEASTAR SOLUTIONS

    Seastar - Front Mount Helm - 2.4 cubic Inch - HH5272-3

    $1,032.99
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  • SeaStar - Tee Fittings for Baystar Systems - 2 Pack - HF4202

    SEASTAR SOLUTIONS

    SeaStar - Tee Fittings for Baystar Systems - 2 Pack - HF4202

    $82.53
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SeaStar Hydraulic Steering Kits, Parts & Seal Kits

Shop SeaStar hydraulic steering kits, seal kits, helms, cylinders, hoses, and hydraulic fluid for reliable boat steering control. Whether you are replacing worn SeaStar steering parts, upgrading from mechanical steering, or servicing an existing hydraulic steering Sea Star system, PartsVu carries the components needed for routine maintenance, repair, and full system upgrades.

SeaStar hydraulic steering systems are trusted by boat owners, marine technicians, and OEM manufacturers for smooth response, corrosion resistance, and dependable outboard handling. Use this collection to find complete SeaStar steering kits, replacement cylinders, helm pumps, seal kits, fittings, and fluid matched to your boating setup.

SeaStar hydraulic steering is a marine steering system that uses hydraulic pressure to control an outboard motor with smoother, more responsive handling than mechanical cable steering. Common SeaStar parts include helm pumps, cylinders, hydraulic hoses, seal kits, fittings, and steering fluid.

Why Choose SeaStar Hydraulic Steering?

SeaStar is one of the most trusted names in marine hydraulic steering. Their systems are designed for smooth, predictable control and long-term durability in demanding saltwater and freshwater conditions.

SeaStar hydraulic steering parts are commonly chosen because they are:

  • Built with corrosion-resistant, marine-grade materials
  • Designed for responsive steering at low and high speeds
  • Compatible with many single and dual outboard setups
  • Suitable for bass boats, pontoons, bay boats, center consoles, and offshore boats
  • Easy to service with the right seal kits, fluid, and replacement parts
  • Proven for both recreational and performance boating

If your current steering feels stiff, slow to respond, or shows signs of hydraulic fluid leaking around the helm or cylinder, it may be time to inspect the system and replace worn SeaStar components.

What You’ll Find in This Collection

This SeaStar hydraulic steering collection includes the core parts used for new installs, repairs, and steering maintenance.

  • SeaStar hydraulic steering kits – complete systems for new installations or upgrades
  • SeaStar helms and pump units – including common helm pump replacements
  • SeaStar cylinders – replacement outboard cylinders for steering response and control
  • SeaStar seal kits – used to repair leaks around the helm or cylinder
  • Hydraulic hoses and fittings – hose kits, coils, connectors, and related fittings
  • SeaStar hydraulic steering fluid – fluid designed for proper system performance
  • SeaStar power steering upgrades – added steering support for larger or higher-performance boats

All parts are selected to support SeaStar steering system compatibility, performance, and long-term reliability. If you are unsure which part fits your setup, check your existing part number, engine horsepower, cylinder style, and hose configuration before ordering.

How to Choose the Right SeaStar Steering Part

Start by identifying whether you need a complete steering kit or a replacement component. If you are upgrading from mechanical steering, a complete SeaStar hydraulic steering kit may be the easiest option. If your system is already installed, you may only need a replacement cylinder, helm, hose, seal kit, or hydraulic fluid.

Use these checks before buying:

  • Confirm your boat type and engine horsepower
  • Match your existing SeaStar part number when replacing a component
  • Inspect the helm, cylinder, and hose connections for leaks
  • Check whether your system uses standard SeaStar or SeaStar Pro components
  • Use compatible SeaStar hydraulic steering fluid when topping off or bleeding the system
  • Replace worn seals before leaks affect steering response

A small steering issue can become a safety concern quickly, so it is worth inspecting the system during regular boat maintenance.

Maintenance Tips for SeaStar Steering Systems

Routine maintenance helps keep your SeaStar hydraulic steering system smooth, safe, and responsive.

  • Check hydraulic fluid levels regularly
  • Top off the system with compatible SeaStar steering fluid
  • Inspect the helm, cylinder, hoses, and fittings for leaks
  • Replace seals when fluid appears around the cylinder or helm
  • Bleed the system after installation, repair, or fluid loss
  • Rinse exposed components after saltwater use
  • Look for steering lag, stiffness, or uneven response before each trip

These simple steps help protect steering performance and extend the life of your SeaStar system.

SeaStar Steering Is Ideal For

SeaStar hydraulic steering parts are commonly used by:

  • Weekend DIY boaters
  • Marine mechanics and repair shops
  • OEM replacement projects
  • Tournament anglers
  • Offshore cruisers
  • Bass boat owners
  • Pontoon owners
  • Bay boat and center console owners

Whether you need a complete SeaStar hydraulic steering kit or a single replacement part, this collection helps you keep your steering system responsive and ready for the water.

Frequently Asked Questions About SeaStar Hydraulic Steering

What is included in a SeaStar hydraulic steering kit?

A typical SeaStar hydraulic steering kit includes a helm pump, steering cylinder, hydraulic hose kit, fittings, and steering fluid. Exact contents vary by kit, so always check the product details before ordering.

How do I know if I need a SeaStar seal kit?

A SeaStar seal kit is used when hydraulic fluid appears around the helm or cylinder, steering lag develops, or steering response is reduced. Replacing worn seals can help restore pressure and prevent further fluid loss.

Are SeaStar hydraulic steering parts compatible with my outboard?

SeaStar hydraulic steering parts are compatible with many major outboard brands, including Yamaha, Mercury, Suzuki, and Honda. Compatibility depends on engine horsepower, mounting style, cylinder type, and the specific steering system installed.

What is the difference between SeaStar and SeaStar Pro?

SeaStar Pro systems are designed for higher-performance applications, including faster boats and tournament-style use. Standard SeaStar systems are suitable for many recreational boats, pontoons, bay boats, and center consoles.

How often should I bleed a SeaStar hydraulic steering system?

Bleed the system after installation, fluid top-off, hose replacement, seal repair, or whenever steering feels soft, uneven, or slow to respond. Annual inspection is also recommended as part of regular boat maintenance.

What fluid should I use in a SeaStar hydraulic steering system?

Use SeaStar hydraulic steering fluid or compatible fluid recommended for your system. Using the wrong fluid can affect seals, steering response, and long-term system performance.

What does “hydraulic steering Sea Star” mean?

“Hydraulic steering Sea Star” usually refers to SeaStar hydraulic steering systems and replacement parts used on outboard-powered boats. These systems use hydraulic pressure to deliver smoother steering control than traditional mechanical cable steering.