---
product_id: 439480481
title: "Solutions HA5440H, HA5440 Hydraulic Steering Fluid, Gallon"
brand: "seastar"
price: "€ 318.65"
currency: EUR
in_stock: true
category: "Sea Star"
url: https://www.desertcart.pt/products/439480481-solutions-ha5440h-ha5440-hydraulic-steering-fluid-gallon
store_origin: PT
region: Portugal
---

# Water emulsification additive Proprietary additive package Anti-corrosion & anti-rust agents Solutions HA5440H, HA5440 Hydraulic Steering Fluid, Gallon

**Brand:** seastar
**Price:** € 318.65
**Availability:** ✅ In Stock

## Summary

> 🛥️ Navigate with confidence—only the best fluid fuels your SeaStar steering!

## Quick Answers

- **What is this?** Solutions HA5440H, HA5440 Hydraulic Steering Fluid, Gallon by seastar
- **How much does it cost?** € 318.65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/439480481-solutions-ha5440h-ha5440-hydraulic-steering-fluid-gallon)

## Best For

- seastar enthusiasts

## Why This Product

- Trusted seastar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Clean & Easy Maintenance:** Compatible with SeaStar’s hydraulic filler kit for a mess-free, efficient system bleed every time.
- • **Advanced Protection Formula:** Includes anti-foaming, anti-rust, and corrosion inhibitors to extend system life and reliability.
- • **Made in the USA with Precision:** Crafted domestically to meet rigorous quality standards trusted by professionals worldwide.
- • **Viscosity Stability Guaranteed:** Viscosity stabilizers maintain fluid consistency under all operating conditions for smooth steering response.
- • **Engineered for Peak Performance:** Validated and matched exclusively for SeaStar hydraulic steering systems to ensure flawless operation and safety.

## Overview

SeaStar Solutions HA5440H Hydraulic Steering Fluid is a premium, USA-made oil engineered with a proprietary blend of additives that prevent foaming, rust, corrosion, and wear. Validated exclusively for SeaStar hydraulic steering systems, it ensures optimal performance, safety, and longevity. Available in a 1-gallon jug, this fluid supports clean maintenance and consistent viscosity for smooth, reliable steering under all conditions.

## Description

HA5440 Size: 1 Gallon Features: -Made in the USA-1 Quart-1 Gallon

## Features

- SeaStar Hydraulic Steering Fluid is engineered with a proprietary additive package which contains anti-foaming and anti-rusting agents, anti-oxidants, viscosity stabilizers, corrosion inhibitors, wear additives and a water emulsification additive
- SeaStar Hydraulic Steering Fluid is the ONLY steering fluid which is Validated and Performance Matched to ensure the optimum performance and safety of SeaStar Solutions Hydraulic Steering Systems
- NOTE: There is no difference in the formulation of HA5440 and HA5440H. This is a part number change ONLY and does not affect anything else
- SeaStar Solutions offers a hydraulic filler kit (part # HA5458) which allows for a clean bleed of a hydraulic steering system when used properly
- Due to recent upgrades in SeaStar Solutions' Steering System components, SeaStar Solutions recommends using ONLY SeaStar Steering Fluid in their hydraulic steering systems

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000FQ7NOK |
| Brand Name | SeaStar |
| Container Type | Jug |
| Customer Reviews | 4.8 4.8 out of 5 stars (140) |
| Global Trade Identification Number | 00731957801098 |
| Item Form | Oil |
| Item Weight | 3.6 Pounds |
| Liquid Volume | 1 Gallons |
| Manufacturer | SeaStar |
| Model Number | HA5440H |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | HA5440H |
| Recommended Uses For Product | Hydraulic Oil |
| Specific Uses For Product | Prevent Corrosion |
| UPC | 731957801098 |
| Unit Count | 128.0 Milliliters |

## Product Details

- **Brand:** SeaStar
- **Item weight:** 1.63 kg
- **Liquid volume:** 1 Gallons
- **Package information:** Jug
- **Recommended uses for product:** Hydraulic Oil

## Images

![Solutions HA5440H, HA5440 Hydraulic Steering Fluid, Gallon - Image 1](https://m.media-amazon.com/images/I/71Pjmas15vL.jpg)

## Frequently Bought Together

- Dometic SeaStar Hydraulic Steering Fluid, HA5440H, 1 Gallon
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- Marine Tech Tools Bleed Tube, Seastar Hydraulic Steering Bleed Kit, Fits Seastar Hydraulic Cylinders, Seastar Hydraulic Steering Fluid Bleeder Kit, Marine Tool Kit for Boats

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**Shop now:** [https://www.desertcart.pt/products/439480481-solutions-ha5440h-ha5440-hydraulic-steering-fluid-gallon](https://www.desertcart.pt/products/439480481-solutions-ha5440h-ha5440-hydraulic-steering-fluid-gallon)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-10-23*