SeaStar HH5271-3 Front Mount 1.7 Hydraulic Marine Helm Pump

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  • HH5271-3 Seastar Solutions Boat Helm Pump (previously Teleflex)
  • SeaStar HH5271-3 Front Mount 1.7 Hydraulic Marine Helm Pump
  • HH5271-3 seastar solutions helm pump (previously teleflex)
  • HH5271-3
  • HH5271-3
  • Front shaft of HH5271-3
  • SeaStar HH5271-3 Front Mount 1.7 Hydraulic Marine Helm Pump
  • HH5271-3
MSRP: $743.85
— You save $278.88
In Stock - Ships FREE Same Day Before 6pm EST M-F


SeaStar HH5271-3 Front Mount 1.7 Hydraulic Marine Helm Pump 


The world's most popular hydraulic boat steering helm - offers smooth, efficient no feedback steering for inboard and outboard applications.

You may consider the HH5217-3 which is the same part but has a Heavy Duty Front Shaft Seal for longevity. 


  • Most Hydraulic Steering applications for inboard/sterndrive/outboard boats up to 50ft.
  • Single outboard engine boats that travel up to 55MPH, for boats over 55MPH see SeaStar PRO Steering.
  • Capable to be used in multiple stations.


  • Marine Grade Aluminum Shaft
  • Improved Front shaft dust over
  • Compact helm
  • Standard 3/4" tapered steering shaft
  • Accepts wheels up to 28"
  • Small 3.0" Hole cutout in dash
  • Replaces HH5271 - Updated ORB fittings
  • Dometic Seastar 2 Year Limited Warranty


  • Front Mount Installation
  • 1.7 cubic inches
  • 1000 PSI Relief Valve Settings

What Comes In The Box:

  • HH5271-3 Helm Pump
  • Mounting Hardware
  • HF6004 Fitting Kit 2x ORB-5 90° Re-Positionable elbow fittings

SeaStar HH5217-3 Dimensions:


Downloads Section: 

SeaStar Boat Helm Pump Installation Manual [PDFSeaStar Marine Hydraulic Steering Selection Guide [PDFSeaStar Marine Steering Catalog [PDF]


  • Do NOT use Teflon or Loctite on the fittings.
  • Do NOT try to install NPT fittings into helm pump as it may cause damage to the threads.
  • The fluid cap must be in the uppermost position at ALL times.
  • NEVER use brake fluid, only SeaStar Steering fluid or Mil Spec H5606 Fluid.

Installation Notes:

  • The helm pump is packaged with re-positionable o-ring hose fittings (ORB).
  • If a 20° mounting wedge is used, cut out dash as per mounting wedge template and mount helm directly to the 20° wedge.
  • The helm may be mounted with the helm shaft horizontal, vertical, or any angle in between.
  • Install the hose fittings before installing helm pump for ease of installation.

Related Items:


  • HA5430H 1 Quart of SeaStar Fluid
  • HA5438 Helm Bottle Filler Kit (this is not included with a helm pump)
  • HH5224-3 SeaStar 2.0in³ Front Mount Commercial Helm Pump
  • HH5217-3 same part but has a Heavy Duty Front Shaft Seal for longevity. 

Contact us: Speak with our hydraulic steering expert today: Contact Page.

  • No Sales Tax on Purchases outside of California
  • Free Fedex ground shipping to U.S. 48 Contiguous States
  • Discounted shipping rates for all other options
  • Expert Customer Service
  • Formerly Teleflex Marine
  • Seastar Solutions is now Dometic Marine

International Customers: We Ship Worldwide, Shipping Cost May Quote Too High on Our Web Site, contact us for a quote.

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2 Reviews

  • 5
    Helm steer pump

    Posted by Larry Lucas on 30th Aug 2019

    Received part quickly and everything to reinstall and works like a champ.
    Thanks Very much

  • 5
    Great product

    Posted by Sherry on 9th Jun 2019

    Exactly the helm we needed, my husband installed it and it is working well so far!

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