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Teleflex SeaStar Power Assist Premium Steering

Technical Reference Manual

Steering for your boat that's as easy as the power steering in your car!

SeaStar Power Assist offers boat owners a new level of steering comfort and control by reducing wheel effort- which makes boating more enjoyable for everyone who takes the helm!

This is the perfect upgrade for your outboard, stern drive or inboard powered boat that is already equipped with hydraulic steering. SeaStar P/A easily ties into the existing Sea Star hydraulic steering system.


Ideal for nearly any boat in which smooth, very easy steering is desired- especially vessels in which a high degree of effort is needed to turn the wheel.


  • Easy as the power steering in your car!
  • Dramatically increases steering comfort by reducing effort at the steering wheel.
  • Easily-installed upgrade to existing SeaStar or SeaStar PRO manual system
  • Pro version available for SeaStar PRO type applications.
  • Number of turns lock to lock remains the same as existing manual hydraulic system.
  • Compatible with SeaStar Power Purge systems.
  • Compatible with autopilots.
  • Rugged, reliable and compact.
  • Wiring harness included.
  • Ignition protected (SAE J-1171).
  • 12V and 24V operation available.
  • ABYC, CE, NMMA, ISO 10592 Approved.

Ordering Guide:

Typical Installations:


  • SeaStar P/A Mounting Bracket..............HA1202
  • (Provides flat mounting surface when mounting to floor or when alternate mounting surface is required.)
  • Dual Ignition Kit .....................................HA1201
  • (Connects P/A's wire to 2 engines- ignition circuits so P/A unit stays on if one engine is switched off.) (Please also see pages for the particular type of SeaStar or SeaStar PRO manual hydraulic system that will be used with this product.)

Service Items:

  • SeaStar Oil (1 Quart).............................HA5430
  • Use only genuine SeaStar hose kits and oil with your SeaStar Power Assist system.

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