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Premium Marine Quality Parts

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Seastar Ha5822 High Strength Tiller Bolt W/ Nylock Nut 3/8" - Ha5822 - 1-Ha5822F1

Seastar Solutions, Hydraulic Steering
$64.09

SeaStar outboard steering offers three models of steering cylinders to suit most applications: Front Mount, Side Mount, and Splashwell Mount.Front Mount cylinders are balanced and the most commonly used. They are designed for single engines to 350 hp and multiple outboard engine installations with total power to 700 hp in counter rotating applications. Before ordering, determine the best application for the boat based on hull design, speed, and usage.Side mount cylinders are unbalanced and offer 4.8 or 5.7 turns lock-to-lock. It is suitable for shallow splashwells and use on engines fitted with power steering. For single engines to 300 hp and multiple outboard engine installations with total power to 600 hp in counter rotating applications.Splashwell Mount cylinders are an unbalanced, light duty alternative to front & side mount with 5.5 or 6.5 turns lock-to-lock for engines with or without support tubes. For single engines to 300 hp and multiple outboard engine installations with total power to 600 hp in counter rotating applications. It can be transom or hull mounted.

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Seastar Hc46453 Basic Baystar Compact Cylinder - Hc4645-3 - 1-Hc46453F1

Seastar Solutions, Hydraulic Steering
$1,132.19

This balanced cylinder features a compact design that fits most splashwells. BayStar allows you to install all of the safety, reliability and comfort of hydraulic steering onto your boats rated up to MAX. 150HP (Total). Combine this with the superior design, rigid ISO quality control and teamed with the finest materials and precision manufacturing.See Seastar Solutions catalog or website for specific year and model applications.

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Seastar Hc46473 Baystar Outboard 8" Stroke 7.24 Cubic Inch Cylinder - Hc4647-3 - 1-Hc46473F1

Seastar Solutions, Hydraulic Steering
$1,085.49

This balanced cylinder features a compact design that fits most splashwells. BayStar allows you to install all of the safety, reliability and comfort of hydraulic steering onto your boats rated up to MAX. 150HP (Total). Combine this with the superior design, rigid ISO quality control and teamed with the finest materials and precision manufacturing.See Seastar Solutions catalog or website for specific year and model applications.

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Seastar Hc46483 Baystar Outboard 8" Stroke 7.24 Cubic Inch Cylinder - Hc4648-3 - 1-Hc46483F1

Seastar Solutions, Hydraulic Steering
$985.99

This balanced cylinder features a compact design that fits most splashwells. BayStar allows you to install all of the safety, reliability and comfort of hydraulic steering onto your boats rated up to MAX. 150HP (Total). Combine this with the superior design, rigid ISO quality control and teamed with the finest materials and precision manufacturing.See Seastar Solutions catalog or website for specific year and model applications.

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Seastar Hc46583 Baystar Outboard 8" Stroke 7.24 Cubic Inch Cylinder - Hc4658-3 - 1-Hc46583F1

Seastar Solutions, Hydraulic Steering
$985.99

This balanced cylinder features a compact design that fits most splashwells. BayStar allows you to install all of the safety, reliability and comfort of hydraulic steering onto your boats rated up to MAX. 150HP (Total). Combine this with the superior design, rigid ISO quality control and teamed with the finest materials and precision manufacturing.See Seastar Solutions catalog or website for specific year and model applications.

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Seastar Hc5312-3 Inboard 7" Stroke 7.2 Cubic Inch Cylinder - Model Ba125-7Atm - Hp6023 Seal Kit - Hc5312-3 - 1-Hc53123F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,350.89

These cylinders are for single and dual rudder vessels with two axis articulation and offer easy autopilot interface. Cylinders are supplied with bleeder fittings.

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Seastar Hc5313-3 Inboard 7" Stroke 8.3 Cubic Inch Atm Aluminum Cylinder - Model Ba135-7Atm - Hc5313-3 - 1-Hc53133F1

Seastar Solutions, Hydraulic Steering
$1,443.89

These cylinders are for single and dual rudder vessels with two axis articulation and offer easy autopilot interface. Cylinders are supplied with bleeder fittings.

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Seastar Hc5314-3 Inboard 7" Stroke 10.2 Cubic Inch Cylinder - Model Ba150-7Atm - Hp6025 Seal Kit - Hc5314-3 - 1-Hc53143F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,417.69

These cylinders are for single and dual rudder vessels with two axis articulation and offer easy autopilot interface. Cylinders are supplied with bleeder fittings.

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Seastar Hc53193 Inboard 7" Stroke 13.7 Cubic Inch Cylinder - Model Ba175-7Tm - Hs5183 Seal Kit - Hc5319-3 - 1-Hc53193F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,706.89

These cylinders are for single and dual rudder vessels with two axis articulation and offer easy autopilot interface. Cylinders are supplied with bleeder fittings.

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Seastar Hc5326-3 Sterndrive 7" Stroke 8.3 Cubic Inch Cylinder | Model Ba150-7Em | Hs5156 Seal Kit - Hc5326-3 - 1-Hc53263F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,435.49

Can be used on single and multiple drives with multiple steering station connection. This cylinder features simple autopilot interface.

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Seastar Hc5328-3 Sterndrive 8" Stroke 8.3 Cubic Inch Cylinder | Model Ba125-8Em | Hs5154 Seal Kit - Hc5328-3 - 1-Hc53283F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,212.59

Can be used on single and multiple drives with multiple steering station connection. This cylinder features simple autopilot interface.

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Seastar Hc5332 Sterndrive 7" Stroke 8.3 Cubic Inch Cylinder - Model Ba135-7Em - Hs5155 Seal Kit - Hc5332 - 1-Hc5332F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,445.89

Can be used on single and multiple drives with multiple steering station connection. This cylinder features simple autopilot interface.

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Seastar Hc5351 Capilano Inboard 7" Stroke Ball Joint Cylinder - Hc5351 - 1-Hc5351F1

Seastar Solutions, Hydraulic Steering
$2,697.89

A wide choice of cylinder configurations make it easy to spec a system which can handle a variety of large boat performance requirements and accommodate most user preferences. Heavy duty brass and stainless steel cylinders. Two-axis articulation. Easy installation for single or dual rudder vessels.

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Seastar Hc53733 Capilano Inboard 9" Stroke Ball Joint Cylinder - Hc5373-3 - 1-Hc53733F1

Seastar Solutions, Hydraulic Steering
$1,520.29

A wide choice of cylinder configurations make it easy to spec a system which can handle a variety of large boat performance requirements and accommodate most user preferences. Heavy duty brass and stainless steel cylinders. Two-axis articulation. Easy installation for single or dual rudder vessels.

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Seastar Hc5375-3 Front Mount Outboard 8" Stroke 8.34 Cubic Inch Catamaran Cylinder - Hs5157 Seal Kit - Hc5375-3 - 1-Hc53753F1

Seastar Solutions, Seals, Gaskets & Service Kits
$2,015.99

The SeaStar front mount pivot cylinder is for Catamaran designs. This cylinder will fit ALL engines that require HC5345 steering cylinder. The internal o-ring is designed to limit the amount of fluid bypass decreasing the amount of re-alignment. This cylinder is best used in applications that require a liquid tiebar.Cylinder ending in "3" has been updated and fit the same applications as the prior models. Improvements over previous models include: Updated styling, a more robust barrel, new sealing systems and materials with excellent resistance to compression set, and new adjustable stainless steel O-ring fittings (ORB).

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Seastar Hc5379 Capilano Inboard 11" Stroke 26 Cubic Inch Brass Cylinder - Model Ba 200-11 - Hs5185 Seal Kit - Hc5379 - 1-Hc5379F1

Seastar Solutions, Seals, Gaskets & Service Kits
$2,883.29

A wide choice of cylinder configurations make it easy to spec a system which can handle a variety of large boat performance requirements and accommodate most user preferences. Heavy duty brass and stainless steel cylinders. Two-axis articulation. Easy installation for single or dual rudder vessels.

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Seastar Hc6358-3 Pro Front Pivot Mount Outboard 8" Stroke 8.34 Cubic Inch Cylinder - Hs5157 Seal Kit - Hc6358-3 - 1-Hc63583F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,803.59

The SeaStar Pro Front Mount Outboard Cylinders have keyed support brackets to prevent racking of the cylinder which gives it a more solid feel and more robust bushings. Suited for all those critical high speed, single powered outboard boats, like Bass, Flats, combo Race/Ski and other performance orientated boats capable of speeds in excess of 65mph. Systems require the use of a SeaStar Pro helm and reinforced Kevlar hoses only(1500 psi).All cylinders ending in "3" have been updated and fit the same applications as the prior models. Improvements over previous models include: Updated styling, a more robust barrel, new sealing systems and materials with excellent resistance to compression set, and new adjustable stainless steel O-ring fittings (ORB).

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Seastar Hc6845 Tournament Series Front Mount Outboard 8" Stroke 8.34 Cubic Inch Cylinder - Hp6160 Seal Kit - Hc6845 - 1-Hc6845F1

Seastar Solutions, Seals, Gaskets & Service Kits
$1,896.49

Engineered to provide today's high-powered offshore tournament boats and other high-performance vessels with precise, smooth and reliable steering. This heavy-duty cylinder is designed to work with all new and existing Teleflex & Seastar Solutions SeaStar hydraulic helms, providing an instant steering upgrade for a wide variety of boats. Features a rugged design with heavy-duty support brackets, barrel, shaft and seals, together with superior corrosion resistance for serious sea duty. Each cylinder is universal, allowing a variety of mounting configurations, with single, dual or triple cylinder installations to match the outboards on the transom. Independent bleeder fittings allow for better and easier system bleeding compared to tee fittings, especially in multiple engine installations. Each cylinder is equipped with stainless steel ORB elbow fittings that can be easily oriented in any direction for easy and clean rigging of hydraulic steering hoses. Teleflex's new patent-pending pivot plate design are reversible from left to right and provide smooth articulation and sealed joints for superior performance.The new Tournament Series Tie Bar features an exclusive design with an anodized aluminum body, stainless steel rod ends, and an adjustable threaded design with a maximum stroke indicator. There is no cutting involved and toe angles can be easily adjusted. Multiple engine configurations also require tie bar kit(s). All configurations require a hardware kit. Multiple engine configurations also require tie bar kit(s).These products are for new style tournament cylinder applications. New and existing tournament cylinder parts are not interchangeable.

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Seastar Hc6845S Tournament Series Front Mount Outboard 8" Stroke 8.34 Cubic Inch Cylinder | Hp6160 Seal Kit - Hc6845S - 1-Hc6845Sf1

Seastar Solutions, Seals, Gaskets & Service Kits
$2,233.99

Engineered to provide today's high-powered offshore tournament boats and other high-performance vessels with precise, smooth and reliable steering. This heavy-duty cylinder is designed to work with all new and existing Teleflex & Seastar Solutions SeaStar hydraulic helms, providing an instant steering upgrade for a wide variety of boats. Features a rugged design with heavy-duty support brackets, barrel, shaft and seals, together with superior corrosion resistance for serious sea duty. Each cylinder is universal, allowing a variety of mounting configurations, with single, dual or triple cylinder installations to match the outboards on the transom. Independent bleeder fittings allow for better and easier system bleeding compared to tee fittings, especially in multiple engine installations. Each cylinder is equipped with stainless steel ORB elbow fittings that can be easily oriented in any direction for easy and clean rigging of hydraulic steering hoses. Teleflex's new patent-pending pivot plate design are reversible from left to right and provide smooth articulation and sealed joints for superior performance.The new Tournament Series Tie Bar features an exclusive design with an anodized aluminum body, stainless steel rod ends, and an adjustable threaded design with a maximum stroke indicator. There is no cutting involved and toe angles can be easily adjusted. Multiple engine configurations also require tie bar kit(s). All configurations require a hardware kit. Multiple engine configurations also require tie bar kit(s). These products are for new style tournament cylinder applications. New and existing tournament cylinder parts are not interchangeable.

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Seastar Hf6005 Orb Tee Fitting Kit - 3/8" Tube - 2 Per Kit - Hf6005 - 1-Hf6005F1

Seastar Solutions, Hydraulic Steering
$139.49

Tournament series ORB tee fitting kit.

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Seastar Hf6006 Stainless Steel Vertical Tee Fitting For Seastar Steering Cylinders & Helm Pumps - 2 Per Kit - Hf6006 - 1-Hf6006F1

Seastar Solutions, Hydraulic Steering
$139.49

These fittings fit updated Seastar cylinders and all helm pump to use O-Ring (ORB) type fittings. Before the update all Seastar Solutions helms used NPT fittings. These 316 stainless steel fittings will simplify the installation process and will allow for simple reorientation of fittings after installation. New ORB type helms are clearly marked with "DO NOT USE NPT Fitting". Cylinder Part Numbers ending in "-3" are the new updated cylinder models that use these ORB fittings.

Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.