Marlic A/S is a Danish company developing innovative steering systems for recreational boating. With its patent-pending Marlic Steering System – a simple and affordable full hydraulic power steering solution that seamlessly supports electronic integration for autopilot and joystick control – Marlic is redefining the future of sustainable power steering in recreational boating.

Marlic A/S

Nominated for Dame Design Awards 2025

Our innovative Marlic 3520 All-in-One Hydraulic Power Steering Cylinder has been recognized among this year’s most outstanding marine innovations.

The Dame Design Award celebrate excellence in design, functionality, sustainability, and innovation — and we are proud to be recognized with such a prestigious nomination.

Marlic "all-in-one" full hydraulic power steering cylinder. Designed for maximum performance and sustainability, it delivers full hydraulic power steering at the helm, an integrated rudder position sensor, and direct plug-and-play connectivity for both autopilot and joystick control. Say goodbye to autopilot pumps, electro-hydraulics, and complex installations — we’ve integrated every steering feature into one simplified, cost-effective solution.

Marlic 3520 Presentation - 10 pages

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Marlic Steering System Setup for Mercruiser Sterndrive

Marlic 3520 mounted on the Mercruiser inner transom plate

Marlic 3520 Hydraulic Steering Cylinder

Innovative "all-in-one" hydraulic steering cylinder, designed for Mercruiser Sterndrives and beyond.

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Marlic SRP32 suited with the EXT45 mounting flange

Marlic SRP32 suited with the EXT0 mounting flange

Marlic steering system setup for Mercruiser Sterndrives

The Marlic SRP32 is an OSPM helm unit that enables full hydraulic power steering at the helm, when combined with the Marlic 3520 steering cylinder.  The Marlic helm unit enables effortless steering with precise control and responsiveness at the helm. Suitable for high-performance and demanding situations.

Marlic SRP32 Hydraulic Orbitrol Steering Unit

The Marlic SRP32 is an OSPM helm unit that enables full hydraulic power steering at the helm.

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Marlic SRP32 with EXT45 mounting flange

Mounting Flange for the Marlic SRP32 Oribtrol Steering Unit. Black Aniodized Aluminium. Extruded 45 mm from base line.  Including Rubber Sealing Gasket and four Hex Socket Flat Countersunk Head Screw M6.

Marlic SRP32 Mounting Flange EXT45

Mounting Flange for the Marlic SRP32 Oribtrol Steering Unit

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Marlic SRP32 with EXT0 mounting flange

Mounting Flange for the Marlic SRP32 Oribtrol Steering Unit. Black Aniodized Aluminium. Extruded 0 mm from base line. Including Rubber Sealing Gasket and four Hex Socket Flat Countersunk Head Screw M6.

Marlic SRP32 Mounting Flange EXT0

Mounting Flange for the Marlic SRP32 Oribtrol Steering Unit.

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Flow Restrictor and Saginaw Style Pump Assembly

Flow Restrictor Valve for Saginaw-Style Servo Pumps (e.g., Mercruiser Power Steering Pump).  Ensures a flow rate of approx. 3 liters per minut. Black Aniodized Aluminium.

Marlic Flow Restrictor Saginaw 3L

Flow Restrictor Valve for Saginaw-Style Servo Pumps

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Marlic Steering System Setup on Mercruiser Sterndrive

Marlic 3520 installed on the Mercruiser Inner Transom Plate

Retrofit Bundle for installing the Marlic All-in-One Power Steering System on a Mercruiser Sterndrive. Enabling Full Hydraulic Power Steering at the helm including direct plug-and-play connectivity for autopilot and joystick control.

Bundle includes:
- Marlic 3520 Steering Cylinder
- Marlic Rudder Sensor
- Marlic SRP32 Orbitrol Steering Unit
- Marlic SRP32 mounting flanges EXT45 and EXT0
- Marlic Flow Restrictor Valve 3L
- Deutsch Connector DT06-4S Kit

Marlic Steering System Retrofit Bundle for Mercruiser Sterndrives

Retrofit Bundle for installing the Marlic All-in-One Power Steering System on a Mercruiser Sterndrive.

Company developing innovative steering systems

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