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Seastar HA5430H 1 Quart Hydraulic Steering Fluid

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  • Seastar HA5430H 1 Quart Hydraulic Steering Fluid
  • Seastar HA5430H 1 Quart Hydraulic Steering Fluid
  • Seastar HA5430H 1 Quart Hydraulic Steering Fluid
MSRP: $34.97
— You save $8.00
In Stock - Ships FREE Same Day Before 5pm EST M-F


Seastar HA5430H 1 Quart Hydraulic Steering Fluid (32oz)

The Dometic Seastar and BayStar hydraulic steering fluid HA5430H is specially formulated to optimize the performance of your SeaStar and BayStar steering system. It is engineered with a balanced blend of viscosity stabilizers, anti-wear agents, and corrosion inhibitors that ensure maximum steering system performance and longevity.



  • Anti-Foaming Agents: Helps remove entrained air from the oil; primarily as a result of system installation
  • Anti-Rust Agents/corrosion Inhibitors: If water ingresses into the system this additive helps prevent rusting
  • Viscosity Stabilizer: Provides viscosity stability over a wide temp. scale
  • Wear Additives: Enhances overall life of the hydraulic steering system
  • Water emulsification adders
  • Anti-oxidants
  • Replaces HA5430

Also Available in:

Add These to Your Order with Free Shipping:

  • Bottle Filler Kit: HA5438
  • Cylinder Bleed Nipple Caps: HP6044

Downloads and Resources:

  • SeaStar Steering Catalog [PDF]
  • SeaStar Hydraulic Steering Selection Guide [PDF]
  • Dometic Seastar Hydraulic Build Guide [HERE]


  • No Sales Tax on Purchases Outside of California
  • Buy Now Pay Later with Affirm or PayPal Pay Later
  • FREE Ground Shipping to the Contiguous 48 States, all other customers must contact us for a quote
  • Formerly Teleflex, Seastar is now Dometic Marine
  • Seatech Marine Products, Inc. is an authorized dealer, and service center for 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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Warranty Information

Seatech Marine Products is an authorized dealer for Dometic that distributes Seastar Products, this part has a 2 Year Limited Warranty from them. Please visit their website for full details:
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