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Hynautic Hydraulic Steering Unit - H-50 Series
Hynautic Hydraulic Steering Unit - H-50 Series

Hynautic 50 Series Hydraulic Helm Pumps which where manufactured by Teleflex as direct replacement helm pumps for your older 50 Series pumps have been discontinued.

Teleflex has replaced the H-50 series
  • H-50 2.0 cu. in. 3/4 inch taper shaft
  • H-51 2.75 cu. in. 3/4 inch taper shaft.
  • H-52 1.65 cu. in. 3/4 inch taper shaft

  • with SeasStar helm pumps.
  • HH5273 2.0 cu. in. 3/4 inch taper shaft.
  • HH5272 2.4 cu.in. 3/4 inch taper shaft.
  • HH5271 1.7 cu. in. 3/4 inch taper shaft.


  • NOTICE:For all applications a backmount kit must be purchased to utilize the dash cutout for the hynautic helm pump. If you current system is using Hynautic 3/8" or 5/16" hoses or tubing plan on purchasing a fittings kit to complete the installation.

    If you have a Hynautic system on your vessel and need a replacement, see how to identify the model you have at ’Identify’ then come back to this page to purchase it.(We do service and rebuild all brands of hydraulic steering units and we recommend that if you have a unit that you rebuild rather than purchase new to save a considerable amount of money.)

    There may be some other models in used ones that we can get and rebuild for you if necessary, otherwise you will have to convert the helm to another brand that will match your cylinder.



    Call 1-800-745-0765 for additional information


    Teleflex SeaStar Standard Front Mount Helms



    Teleflex SeaStar Standard Front Mount Helms



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