Hydraulic Fluid, Quart
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You have 30 days to request a return. All sale items are final sale.
Maintain smooth, responsive hydraulic steering performance with SeaStar hydraulic steer fluid in a convenient 1-quart bottle (HA5430H). Designed for SeaStar, SeaStar Pro, BayStar, BayStar Pro, and Hynautic hydraulic steering systems.
Key Features
- Convenient 1-quart bottle for steering system top-offs, fluid changes, and bleeding/maintenance
- Specifically formulated as SeaStar/BayStar hydraulic steering fluid (HA5430H)
- Helps protect hydraulic steering components with anti-wear and corrosion/rust inhibitor additives
- Engineered for consistent steering feel across a range of operating conditions
- Anti-foaming additive helps reduce trapped air during fill/bleed
Intended Use
- Hydraulic steering systems using SeaStar solutions fluid (SeaStar, SeaStar Pro)
- Hydraulic steering systems using SeaStar solutions fluid (BayStar, BayStar Pro)
- Hynautic hydraulic steering systems (when using the specified fluid)
Product Details
- Product Type: Hydraulic steer fluid
- Brand/Series: Dometic SeaStar Hydraulic Steering Fluid
- Size/Pack: Quart (1 qt)
- Manufacturer Part Number: HA5430H
- SKU (site variant): 1-HA5430H
Parts Desk Insights
Best Use Case: Use this fluid when you’re performing routine hydraulic steering maintenance—such as top-offs, fluid changes, or bleeding air from the system.
Common Issues: If steering feels inconsistent or you notice spongy response after a service, re-check the bleeding procedure and confirm the fluid used matches the specified SeaStar/Hynautic hydraulic steering fluid recommendation.
Related Products & Accessories
- Browse Steering Systems - Find additional steering-system parts and related maintenance items.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.